Ifnum latex To demonstrate the general-purpose programming abilities of LaTeX, we’ll look at an example that calculates the Jun 17, 2008 · I've asked how to place a chapter title in the mid of a page. Jan 28, 2019 · Errors related to alignment in tables are sometimes related to a missing latex package liked dcolumn. Then the test: \if 11<>0 11 is not equal 0. The method here is for more complicated situation where fixed point operations must be exact. I'm trying to adapt a latex file that a friend sent me, since generating bibliographies is new to me. This is the pgf/tikz code, which works if \y is integer only, but not otherwise: \foreach \y in {3,3. code. At the end of the run I get these diagnostics: (\end occurred when \iftrue on line 366 was incomplete) (\end occurred when \ifnum on line 366 was incomplete) The version of TeX I'm using announces itself as follows: Aug 16, 2017 · As the closing \fi is following directly thereafter the whole thing \ifnum\z@=`}\fi expands to nothing independent on the actually number value. Visit Stack Exchange Nov 19, 2024 · The problem isn't in the \ifnum, but in the use of \global\valueC. Oct 18, 2019 · LaTeX Templates Articles, Essays, and Journal Templates Theses, Books, Title pages Letters Presentations and Posters Curricula Vitae / Résumés Assignments, Laboratory books and reports Calendars and Miscellaneous; LaTeX Community Announcements Community talk Comments & Wishes New Members; LaTeX Books LaTeX Beginner's Guide LaTeX Nov 17, 2024 · I would like to justify text inside an itemize environment with the beamer class. An \ifcase doesn't do a comparison, it just takes a number. From the pdfTeX user manual: \pdfstrcmp{<general text>}{<general text>} (expandable) This command compares two strings and expands to 0 if the strings are equal, to -1 if the first string ranks before the second, and to 1 otherwise. I'm using the report document class and \listoffigures and \listoftables commands. You have used a \hline command in the wrong place, probably outside a table. Oct 14, 2010 · >>> real numbers, eg \ifnum 0. Visit Stack Exchange Oct 21, 2022 · Due to the way tabularray reads the contents of the tblr environment, you have to already have resolved your \ifnum tests and have the & outside of braced groups. Missing number, Feb 3, 2013 · LaTeX specific issues not fitting into one of the other forums of this category. 254k 72 Jul 4, 2017 · In my document, I want to hide certain things from the headers/footers using ifthen (rather than defining new page styles). Use the `\count` command. There are, however, cases in which TikZ expects some explicit character, or so. If the \hline command is written inside a table, try including \\ before it. I couldn't find an equivalent to \use_seq:Nn for token lists, and it seemed reasonable that there would be an automatic conversion. Dec 23, 2014 · I'm trying to use expl3 sequences in order to stored 0, 1 or more affiliations to 1 or more authors stored in a datatool database. Feb 4, 2015 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site Mar 30, 2012 · In many situations, e. \@tempcnta0 % LaTeX \loop \advance\@tempcnta by1 \ifnum\@tempcnta<3\relax May 31, 2023 · I've seen this answer, but it didn't solve the errors. Dec 9, 2019 · Missing = insterted for \ifnum. When you define a new counter in LaTeX, with \newcounter{foo}, also the command \thefoo is defined, May 24, 2017 · I'm using LaTeX with the listings package, and I number every fifth line of the code by having: \lstset{ numbers=left, stepnumber=5, firstnumber=1, numberfirstline=true } Now because of the numberfirstline=true in these settings, apart from the multiples of five the first line of each listing is numbered too, but I would like to have the last line of the code be numbered Aug 8, 2021 · Posts about ifnum written by Izaak Neutelings. Last edited by ziggo1879 on Mon Feb 04, 2013 5:26 pm, edited 3 times in total. Tags. Any help would be greatly appreciated! Oct 14, 2010 · Hi. After the second compilation, it asked for a class dependency named iopart10. I was able to add the 'figure' prefix to all of my entries as required, but I still can't get rid of the spacing between paragraphs. Post by x42bn6 » Wed Feb 10, 2010 9:04 pm. There are never any decimals. Class be damned, I want to add dot leaders for chapters, sections and subsections in the Table of Contents. For this to work there should be a matching \ifnum 0=`{\fi} following in a macro which is called later on in the process. (definitely not LaTeX), so elsarticle was good enough (and I doubt bugs will be fixed: the development seems to be stalled). It first asked for the missing iopart. I have this conditional in plain TeX, which checks if #1 is greater than \variable, but I do not know how to add the #1 = 0 Nov 17, 2024 · I have been trying to automate the production of stepped tables that contain conversion factors of all sorts. One other place this is used is in \hline. As part of this I have a rather convoluted macro to convert decimals to fractions. Feb 10, 2010 · LaTeX specific issues not fitting into one of the other forums of this category. Of course I cannot tell you which are appropriate for submission for your journal. See the explanation there. By the way, 1<\value{page} is better, because it doesn't Dec 12, 2024 · The \ifnum command denotes the start of an if-then-else control structure. Nov 18, 2024 · \ifnum only accept one test: \ifnum 1<\thepage<33 will just test if 1<\thepage and consider <33 as part of the “true text”. ltx and change the code from \ifnum \@itemdepth >\thr@@\@toodeep\else to \ifnum \@itemdepth >4\@toodeep\else and you will also need to define counters enumv, control sequence \labelitemv, and bunch of other stuff to support depth 5. Thank you so much. Home; Science; Topics; Authors; About this site; Learn TikZ; TikZによるLaTeX Oct 14, 2010 · \ifnum\dimexpr\relax<\dimexpr\relax works because scaling dimensions preserves the order. What is the better way for installation. Dec 13, 2021 · (opens new window) # If statements In latex we can use built-in commands to execute code whether the conditions are true or not. Consider the command \def\comparenum[#1,#2] { \def\x{#1} \def\y{#2} \ifnum\x=\y TRUE \else FALSE \fi } \comparenum[1,1] gives TRUE as I would expect. (E. To summarize my case: when looping through a continous range of numbers, from 1 to 24, I'd like do Aug 14, 2022 · I'm getting an unexpected result with parsing loop that uses \ifx. Skip to content. As for the patch, the original version treats the whole Feb 1, 2018 · See the LaTeX manual or LaTeX Companion for explanation. I'm using MikTex 2. Therefore you can not use this command inside a TikZ path specification. When things just need to work, give them a wack. They are similar but not as customizable as loops in other programming languages. 3 posts • Page 1 of 1. The `\count` command can be used to count the number of elements in a list. sommerfee Posts: 503 Nov 16, 2024 · Frontmatter in a document is typically associated with an Abstract, ToC, LoF, LoT, Preface, etc. The following MWE works nicely: \\documentclass{article} \\usepackage{ TeX - LaTeX Meta your communities . When you Aug 8, 2023 · The \noexpand token do nothing at all, because {is not expandable. Up the the 34th row we can use TeX arithmetic. That is, you convert the numbers into lengths/dimensions (that can contain decimal values, like 2. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I want to be able to test if the index is equal to a number. 333\baselineskip]{caption} \usepackage{booktabs, Jun 8, 2013 · LaTeX Templates Articles, Essays, and Journal Templates Theses, Books, Title pages Letters Presentations and Posters Curricula Vitae / Résumés Assignments, Laboratory books and reports Calendars and Miscellaneous; LaTeX Community Announcements Community talk Comments & Wishes New Members; LaTeX Books LaTeX Beginner's Guide LaTeX Mar 20, 2010 · $\begingroup$ Of course, he wants modular arithmetic to facilitate producing figures with certain features. The first time, the thickness of the line below the page header is set to zero. ltx, line 2084: \def\value#1{\csname c@#1\endcsname} Therefore, doing \ifnum\value{counterA}>\value{counterB} will provide the appropriate tokens for the test. But \ifnum isn't pgfmath. 46 \DeclareUnicodeCharacter{00A4}{\textcurrency} I was 2 days ago · I'm working on a large LaTeX document (over 1000 pages). Below are my files and the results I get. It also shows improved robustness in some cases: there are places where the fact that counters are terminated properly is important. Sep 10, 2014 · Information and discussion about other LaTeX editors not listed above. Tex gives me this error, in case I use \ifnum\coordindex=0 at first. I appear to be able to return through the messages and I get a properly formatted . However, if one of the tokens being compared is a conditional like \ifnum, then the loop fails. Mar 30, 2020 · On my system \setlength is defined as follows: \setlength=macro: #1#2->#1 #2\relax The snippet of code provided by you contains #1. Apr 22, 2018 · Hi there, \chaptermark is used by \chpter to set the mark(s) for this chapter. Proceed, and I'll ignore this case. Making statements based on opinion; back them up with references or personal experience. Stack Exchange Network. Nov 16, 2024 · Using counters has some advantages in terms of logical meaning. The source code is marked with the help of the Code button, while the MWE button inserts a link to the instructions for a minimal working example. – David Carlisle. Then just print the active/mathactive(\mathcode="8000) ones:\documentclass{article} \begin{document} \newcount\currentchar Dec 11, 2024 · TeX - LaTeX help chat. This is usually used with boolean flags created with\newboolean and \provideboolean described below. The following uses \expanded to expand the contents before tblr does its job. For this as an exercise of translation I have taken an exact copy of the metapost code of @fpast's answer, and translated it into TeX. tex files in play. kableExtra automatically adds a bunch of latex packages to the preamble and that might explain why the kableExtra solution works. 10 \hline I expect to see \noalign only after the \cr of an alignment. I'm using \include liberally, and there are 47 . Jun 13, 2017 · I was looking for some hints in the amsmath documentation and found the following trick (adapted, of course): \usepackage{amsmath} \renewcommand{\theequation}{\thechapter--\arabic{equation}} If we look at the original definition of \theequation, we can find that it's more robust than our first attempt: \long macro:->\ifnum \c@chapter >\z@ \thechapter . Nov 17, 2024 · \ifthenelse is "normal" LaTeX code. When I use ShareLatex or MikTex to compile the following Jun 13, 2021 · LaTeX forum ⇒ General ⇒ use definition as an argument to another command Topic is solved LaTeX specific issues not fitting into one of the other forums of this category. Questions. Modified 8 years, 11 months ago. Thus your code is the same as without it. Count the number of fruits with an expandable function. Sep 30, 2020 · However, a <number> is required before the comparison operator in \ifnum tests. August 2021 26. For comparing numerical values, the \ifnum command is more efficient: \newcounter{score} \setcounter{score} Nov 17, 2024 · To do this I have attempted to use \pgfmathparse and \ifnum in order to decide if to colour a . May 27, 2024 · @Vesch Sure there are easier ways within PGF/TikZ. Thank you for your help. Comparing two integers: \ifnum\value{num}>n {A} \else {B}\fi This code executes A if num>n else B. Missing = inserted for \ifnum Nov 8, 2023 · Unfortunately TeX doesn't support \ifnum with <= and >= at primitive level because the author of TeX expected that programmers are able to use the negation, if it is needed. TeX - LaTeX Meta your communities . g. I'd like to note that TeX uses integer arithmetics, so it is easy to program the standard formula a-(a/b)*b, where / means integer division. Note that if the counter's value is not yet computed %% (at the first time \LaTeX\ May 13, 2022 · One thing I've learned with time is to always follow @UlrikeFischer's advice. LaTeX is the de-facto standard for publishing layouts in the exact sciences. 5pt<6pt wouldn't > latex version of \firstoftwoarguments / \secondoftwoarguments :) > You don't even need that, thanks to Donald's solution somewhere in this thread: \let\then\iffalse Mar 16, 2015 · Second answer. more The \ifnum would need to be nested a bunch of times in my end goal, so I would like to avoid that. The \whiledo of ifthen is a wrapper of the \@whilesw of the latex kernel; the latter is expandable, whereas the \whiledo wrapper of Apr 7, 2022 · Stack Exchange Network. Suppose your macro is looking for some number in the argument \mymacro12345\relax 678 would make it stop at five and then do whatever else it's supposed to do. If that doesn't work, type X <return> to quit. Mar 4, 2024 · If you change the \lets in the first branch of the \ifnum to \xdef\M{1}\xdef\N{\i}, you can get it to compile. LaTeX is Turing complete; that is, it can be programmed to compute just about anything. The test \if 1<>0 compares 1 and < and yields false, thus you see 1 equals 0. 4 posts • Page 1 of 1. Commented Nov 8, 2023 at 16:50. clo(it's available in the same Nov 18, 2024 · Among its primitive conditionals, TeX has \ifodd: \ifodd<number><true text>\else<false text>\fi Be careful though that testing \ifodd\value{page} (in LaTeX, it would be \ifodd\pageno in Plain TeX) is not reliable due to the asynchronous page breaking mechanism. \fi Jan 15, 2010 · LaTeX forum ⇒ Document Classes ⇒ Command name concatenation. Core conditionals include: Mar 9, 2020 · I want to check if a variable is less than 0 in a tikzpicture environment. where \if here is used generically to reference a whole host of conditionals (\if, \ifcat, \ifx, \ifdim, \ifnum, Nov 15, 2024 · According to TeX By Topic, there are three kinds of \if tests concerning tokens. <to be read again> - \usedictionary My code is \documentclass[10pt,pdf,hyperref={unicode}]{beamer} \usetheme{Pittsburgh} \usepackage[utf8] LaTeX Meta your communities . In other words, there's no ordinary expansion. That's nothing to do with latex, just basic arithmetic. (See Protrusion of fractions in tabulars). I could get that from a GitHub repository belonging to Tianjin University named "etgroup". Tags These are the errors: Missing number, treated as zero. The following example illustrates a simple use of the \ifnum TeX primitive to redefine the command \example depending on the value of the counter mycount. My code, simplified, is \begin{center} \begin{animateinline}[loop, poster = first, Aug 2, 2024 · I want to define a conditional command that I can easily use with \ifnum, hence such a command should expand to a number. 1), but your pstricks package appears to be far older than mine Ok, I never cared about the TeX bundle available through the Linux-distri, rather, I installed TeX Live directly. <to be read again> v 1. On the other hand if Dec 18, 2023 · As @DavidCarlisle points out in his comment, in TeX you need to be expandable if you want to use your macro where TeX expects a number, hence you can't use assignments. standard,quotes} \usepackage{ifthen} \begin{document} Nov 19, 2024 · I don't think it's been extensively tested but should be fine to turn on and off mid-document. pdf in the end according to my package specifications. It can also be used with the names of \newif May 21, 2017 · I want to draw some points on a grid with the condition x-y>1, and I write the following code: \documentclass[tikz]{standalone} \usepackage{tikz} \begin{document} \begin{tikzpicture} \foreach Example. Nov 17, 2024 · pgfplots uses library fpu for better precision by default, which has a different internal number format. Comparing two integers: \ifnum\value{num}>n {A} \else {B}\fi This code executes A if Feb 29, 2024 · Central to leveraging conditionals are commands like: \if to test Booleans, \ifnum to compare numbers, \ifdim for dimensions, and \ifthenelse to evaluate more complex expressions. cls documentclass. You change the plain style twice. Oct 21, 2018 · I am having some difficultly comparing two numbers passed as arguments using \ifnum. if, else, fi. In pgfplotsutil. It can be fix by building new control sequence, for example: Oct 24, 2015 · Missing = inserted for \ifnum [closed] Ask Question Asked 9 years, 2 months ago. D. Its meaning is just \penalty10000 which makes it useful both in horizontal and vertical mode, but this ubiquity makes it a bit dangerous. Sep 17, 2020 · Missing = inserted for \ifnum. sty file, you'll Oct 8, 2019 · The above example would show a match, were the \ifs changed to \ifnums, since \ifnum will interpret/convert the character 2 into an integer. Text appears to be justified by default with the article class, but not with the beamer class. \ifnum number₁ relation number₂ expandable command Test relations between numbers. This code executes A if num>n else B. Note that you'll have to protect macros you don't want to expand with either \noexpand\<macro> or \unexpanded{<stuff>}. ziggo1879 Posts: 2 Any idea why the \setboolean statement not works correctly in the \ifnum statement? Ziggo. However, if I Nov 11, 2011 · There are several nice answers using different packages. This code executes A if num>n Learn how to use conditional statements in LaTeX for dynamic document creation. This works fine but: I am only able to test if variable \coordindex is greater or smaller than a certain value. , you finish a paragraph, you're on Nov 18, 2024 · There's plenty on the internet about \ifnum errors, but nothing on just after \usepackage. TikZ. It does it by comparing 1 with 0#1. \numexpr, \dimexpr and \glueexpr. \else 11 equals 0. So powerful, in fact, that it can be used for much more than document markup. These power adapting content and appearance utilizing LaTeX's built-in conditional logic. <inserted text> \fi Please consider the following MWE: Nov 17, 2024 · In tabular environment & cannot be skipped, so when your condition is true LaTeX will do the following: it scans #2 & #3, then when it encounter \else the expansion stops, however, when the second & is met the tabular environment starts expansion again, so the output becomes #2 & #3 & #3. That's also why they don't show up in the ToC, since \chapter* doesn't by default (you need to do this manually via Jul 18, 2013 · Compare floating point numbers in Latex. Nov 17, 2024 · I need something similar to \ifnum \j mod 2 = 0 rest of a number, but do not know how to do this in line 22. \documentclass{article} \usepackage{tikz} \begin{document} \begin{tikzpicture} \draw (0,0) rectangle %node{\ifnum0=1\relax My Label\fi} % Works correctly Sep 27, 2019 · TeX - LaTeX help chat. Surrounding the test with braces is not good programming, by the way. Asking for help, clarification, or responding to other answers. Sign up or log in to customize your list. Thus your request implies also checking whether the tokens forming the "given parameter" at the stage of expansion form an algorithm which terminates at all and which does not trigger errors. My problem is that in the last column the title and some letters appeared higher or lower than the rest of the text from the longtable. My understanding is that, for control-sequences, \ifx looks for "top level" equivalence and the same modifiers like \long. \if, \ifx, \ifnum, \ifdim, \ifthenelse. – Nicola Talbot. Author: Robert Murrish (April 2012 (edited by Overleaf in April 2023)) LaTeX is a powerful tool. A bit of overloading, but it's done for keeping TeX as small as possible and is not as mysterious as it can appear at the beginning. In this case you can just add the \ifnum stuff to the node contents to make TikZ happy. on the jacket of a book and they profit from that claim, is that criminal fraud? Sep 24, 2019 · \if compares two tokens, independently of what they mean. The value only contains integers of 0 or greater. Oddly, this conference template is where these odd errors show up. Subjects. If #1 is not a number, then the \ifnum argument expansion stops after the 0 with a false comparison (having already printed out #1), and then Example. The endrange option can receive a number of predefined values, such Nov 14, 2022 · will print 0. 7 and LEd 0. I'd like the proof cases to reorder themselves automatically when I reorder cases in the definition. 0 What does this required empty parameter mean, when defining something? Related questions. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, LaTeX help chat. 52. Use \totvalue instead, it maps the name to the internal counter register that can be used with \ifnum. Introduction instead of: Chapter 1 Introduction My problem is that I have to use minitoc to get a toc at each chapter, and it's incompatible with titlesec The command "\renewcommand{\chaptername}{}" does remove the word chapter, but there is still a skipped line between the "1" and the chapter title: Jul 11, 2017 · I could solve my problem in an easy way: I just compiled with PDFTeX in order to get the pictures made by pstricks. Improve this question. If you want to do this outside a . More precisely, I am interested in where one could place real number division and multiplication. I only Dec 20, 2009 · You need to copy the definitions of \enumerate and \itemize from file latex. Share. If it were pgfmath, it would do its best to interpret your input as a number. May 7, 2016 · Weirdness with `\ifnum`: `\ifnum\curyear=2024` gives an error, but `\ifnum2024=\curyear` works as expected Hot Network Questions If someone falsely claims to have a Ph. sty: %% Returns the numeric total value of a registered total counter that is %% passed as argument. 3pt\relax or something May 13, 2016 · \ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % What does this means? Does the 0, 1, Confusion on TikZ and PGF LaTeX packages - what they are, how they are stored by MiKTeX, and how they are interpreted by LaTeX compilers. Post by FernandoRAJ » Wed Sep 10, 2014 9:49 pm. However, it is not clear whether you need the updated values of \M and \N to carry through to each successive Nov 16, 2024 · The code comes from the answer to another question, and seems to work in other contexts. The second change then overwrites Dec 8, 2019 · Missing=inserted for \ifnum. I'm trying to use this answer about sorting to sort the proof cases by the label they reference, but running into some trouble. ChapterName in the header is expected since no chapter counter has been incremented. FernandoRAJ Posts: 2 Joined: Wed Sep 10, 2014 9:42 pm. Now, the page header on odd pages contains the chapter title (plus chapter's number & name), but not on the first page of a chapter: here, page style plain is used by Nov 17, 2024 · Please are there 'nestable' variants of Knuth's favourite looping macro \loop without the brace-scope introduced in the answer at nested loops. Menu. But since the node text is put in a normal TeX box you can use \ifthenelse inside the node text. N. The whole code after advice from Werner: Jan 7, 2016 · I am using \if condition in a custom command in my LaTeX document. It is not allowed to use them in a macro which describes a new definition. more stack exchange communities company blog. @ifpackagelater{expl3}{2018/02/21} line 49: Missing = inserted for \ifnum. Use \leftmark within \fancyhead, instead. Nov 18, 2024 · I have a similar issue as the one discussed here If condition controlled with a loop variable. Sign up Learn how to use conditional statements in LaTeX for dynamic document creation. 4 ? ! Missing number, treated as zero. @user1850133 I added the integer The \nobreak command is not documented in the LaTeX manual nor in the "LaTeX Companion". Nov 18, 2024 · Having difficulties understanding basic latex operations I want to use: if not \ifnum\TotalFiles<#3\relax\else\ifnum\TotalFiles>#4\relax\else [Do something if current index is in the range #3, #4, inclusive] \fi\fi Note that the file batch. It requires numbers and nothing else. Then you don't need to be so careful. Unfortunately it doesn't work. 5pt) and perform the comparison using \ifdim rather than \ifnum. Dec 20, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Seems this is part of something that at some stage of processing might go into the definition-text of a macro. 15 \hline I expect to see \noalign only after the \cr of an alignment. lilypond-book provides the following commands and environments to include music in LaTeX Sep 27, 2024 · Misplaced \noalign. Log in; Sign up; Home In fact, the parameter #1 is not seen as a number by \ifnum. I would also recommend to not use some \if TT\fi trickery but use a if-macro which accepts the true and false branches Nov 17, 2024 · I am using a loop to define keys with the xkeyval package, as well as to actually read out the keys inside some self-defined command. In order to evaluate the expression as typesetting, the mighty \the as prefix is necessary. net. This is a problem for me as i'm using \input to retrieve table contents exported from Stata. Copy May 23, 2014 · As shown by egreg on this thread, using the \ifstrempty command from the etoolbox package, it's possible to test if the given string is empty or not, with the added bonus that linebreaks in the given string won't cause Jun 6, 2017 · Use \cfoot{% \ifnum\value{page}<2\vspace{9pt}\the\numexpr\value{pa‌ ge}+1% \else\the\numex‌ pr\value{page}+1% \fi } The primitive \numexpr is used to perform calculations on numbers without changing counter or count register contents directly. Posted on 8. \cs_new. To add 'figure' before number in list of figures: Jul 18, 2017 · The latex kernel has some loops, but with the @ letter, thus their use is not so widespread. To understand them, you want to recall that there are basically two kinds of tokens in TeX: Character tokens, which are uniquely specified by a character code (which resembles the ASCII encoding) and a category code (which dictates TeX's interpretation of the character when it sees it). Plain TeX solution: Jun 27, 2019 · I'm trying to write a budget proposal and I'm using counters to control the number and price of each item. Missing = inserted for \ifnum. 7, should i remove miktex 2. Note that \value is not a general purpose ”extractor“, but a very specific LaTeX macro which only works if its argument is a LaTeX counter defined with \newcounter, whose expansion is the ”abstract” value. Thank you for any ideas. It is built on top of the TeX typesetting engine, providing the best typography available anywhere. Indeed, zref-clever's endrange option seems particularly suited to solve the problem you are trying to solve. Lead nucleus & Pb-Pb collisions. 12 \hline My code is this: \documentcl Skip to main content. So, you somehow need to Apr 21, 2010 · Thanks, the tocloft packages seems to be what I needed, or at least partially. ! Missing = inserted for \ifnum. Package imakeidx tests for \directlua and finds it defined, because it uses eTeX's \ifdefined. Also, if i remove \hline from table. So, printing of 0. Nov 18, 2024 · Macro \total of package is not expandable, it starts with a definition. in paths. bat is provided at the referenced answer. Apr 4, 2016 · You can do testing the part before dot and the part after dot separately. 5pt<\number\dimexpr1pt\relax >> with eTeX of course > > I think Dec 13, 2021 · In latex we can use built-in commands to execute code whether the conditions are true or not. Provide details and share your research! But avoid . How to resolve the error: “Missing { inserted” in WriteLatex. SX! As far as I know, PythonTeX requires three compilations steps, the second of which will replace the Python-related macros in your documetn with the results parsed with Python. Since she suggested you take a look at zref-clever in another question (which made my day :-), I think you should. \boolean{xyz} returns the truth value contained in the primitive TEX \if, \ifxyz. 5 posts • Page 1 of 1. Posted on 9. I do have a proper machine, with LaTeX on it; however, it's not quite as portable, and therefore isn't on hand at the moment. Graphics with TikZ in LaTeX. Dec 9, 2018 · Misplaced \noalign. For example, I'd like to hide the page number on the first few pages: \cfoot{\ifthenelse{\thepage<11}{}{\thepage}} This will hide the page number in pages which are smaller than 11 (so, pages 1 to 10), and show the page number if the page number Jun 9, 2019 · The {before \Rowcolor makes TeX insert the alignment entry 〈pre〉-text and stop its search for \noalign material, which \rowcolor contains. We can substitute > with < Feb 29, 2024 · Conditional text inclusion refers to the capacity in LaTeX to flexibly include or exclude blocks of text based on evaluated conditions. The primitive was Nov 16, 2024 · If \pgfutil@ifundefined (also the same with LaTeX's \@ifundefined) is called, \directlua gets defined with meaning \relax. . One alternative to use loops are @loops. Log in; Sign up; Jun 8, 2019 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company latex \ifnum\value{d}=0 \PackageError{mypackage}{Missing number d} \fi. Everything works perfectly - but for some reason, as soon as I include hyperref, everything breaks:Incomplete \ifnum; all text was ignored after line 47. Instead, you must nest your conditionals: \newcount\X \X=10 \newif\ifGEzero \loop \the\X\endgraf \advance \X by -1 % The spaces after the 0's are important \ifnum\X>0 \GEzerotrue \else \ifnum\X=0 \GEzerotrue \else\GEzerofalse \fi \fi \ifGEzero \repeat \bye Aug 3, 2014 · Hi, I'm currently writing a report where I need to add lists of tables and figures. I've read it can be done with \ifnum. ) But if you use LaTeX, you need \isundefined{\cmd} is true if \cmd is not defined. tex, it works. But, when I'm compiling the tex sources (I'm using TexLive distribution on Mac OSX with the MacTex package and Texlipse as IDE), I get 3 errors for every figures and tables: Nov 19, 2024 · You can use \@ifnextchar{<char>}{<true>}{<false>} to check if the next character (actually next token) is -. Please, could you help me how to fix that? Many thanks. The forms <integer-1> and <integer-2> must expand to integers while <R> must be one of the Sep 18, 2016 · \ifnum is a TeX primitive conditional for comparing integers: \ifnum1=1 true \else false \fi % yields true \ifnum1<2 true \else false \fi % yields true \ifnum1>2 true \else false \fi % In latex we can use built-in commands to execute code whether the conditions are true or not. You can simply find it by searching "iop latex template" in Github. Stack Exchange network A way out is to Jan 12, 2016 · Since in LaTeX the instruction \newcounter{counterA} performs also \newcount\c@counterA and the macro \value is defined by % latex. , with \ifnum, (La)TeX does form numbers by expanding expandable tokens. But already \catcode`| returns an integer that can be fed to \ifnum or in any place where TeX is expecting an integer. x42bn6 Posts: 14 Joined: Mon Apr 06, 2009 11:35 pm. Commented Dec 17, 2013 at 18:28. The earlier answer used a macro computing individual binomial coefficients. The meaning of \nolinebreak is "look if there's an optional argument and, if not, call the inner macro \@no@lnbk with argument 4", which means doing Nov 17, 2024 · Werner's answer answers the question as stated, and I'm not suggesting you unaccept it, but as clarified in comments the actual aim was to check that an input argument has more than (say) 3 characters. Start Coding. LaTeX as a programming language does not have the concept of "return values" that you can plug into the input of other commands. I can't really remember what the use case was in this special case. tex this happens outside of groups. package-writing; datetime; Share. You have two possibilities to fix your problem: Do the assignments in a first step, and use the result for your \ifnum. 7. I also couldn't find a transfer function. My LaTeX document compiled fine on a Springer Nature template and even on another IEEE template. We can substitute > with < and =. Assuming that @ is of category code 11(letter) (→\makeatletter. That resolved my problem. \documentclass{article} \usepackage{tikz} \usepackage[active,tightpage] TeX - LaTeX help chat. Oct 19, 2008 · oh i see. The following code justifies text left and right: \documentclass{article} \usepackage{lipsum} \begin{document} \begin{itemize} \item \lipsum[1-1] \end{itemize} \end{document} Jul 7, 2022 · Welcome to TeX. Users \ifnum\time>720\advance\timehour by-12\relax\fi \number\timehour: so the entire phrase \advance \timehour by -12\relax is a single operation. Follow edited Aug 4, 2014 at 6:03. It only has macro definitions that might be nested to some degree. Ask Question Asked 14 years, 8 months ago. I also created a table and used \ifnum to control if the item should be Aug 8, 2021 · Tag: ifnum. 6 posts • Page 1 of 1 Oct 29, 2009 · LaTeX; ↳ Text Formatting; ↳ Graphics, Figures & Tables; ↳ Math & Science; ↳ Fonts & Character Sets; ↳ Page Layout; ↳ Document Classes; ↳ General; LaTeX's Friends; ↳ BibTeX, biblatex and biber; ↳ MakeIndex, Nomenclature, Glossaries and Acronyms. Log in; Sign up; Home. Maybe try loading the dcolumn package in the YAML / preamble:--- title: "Test" author: "me" date: "1/27/2019" output: pdf_document: Jul 9, 2017 · Curios, your OS is a bit newer than mine (I'm on Open SuSe 42. Nov 19, 2024 · Stack Exchange Network. Skip to main content. Nov 17, 2024 · I would like to implement a command in LaTeX which would sum two numbers before comparing them to a third number as follows: \ifnum #1+45>0 above \else left \fi where #1 is an angle in degrees. For the sake of the example, if you had, \if 11<>0 then the test would be true because TeX would compare 1 and the next 1 and would return true. I would like to know where I can find some good explanation about \if command. Nov 17, 2024 · Raw TeX does not have amenities such as compound Boolean operators. – gilbereth. Feb 11, 2019 · This is the table \documentclass{article} \usepackage{array} \newcolumntype{C}{>{$}c<{$}} \usepackage[skip=0. So I'll do as if \noexpand is not there. <to be read again> A l. See The Not So Short Introduction to LaTeX for an overview on how to use LaTeX. If you call it from within \fancyhead, you're overwriting the current mark(s). If a list is missing an element, the `\count` command will return a value that is less than the expected number of elements. Nov 18, 2024 · Generally you can use \ifnum etc. Where number is defined to be. When \lastrecorddate is put last, you don't see the problem because { being an unexpandable token, it finishes the <number> being read, then is skipped since the test is false here. 533 Jan 14, 2010 · BTW, a Google search for latex and "relative section" results in hits that almost exclusively involve misuse of the word "relative"; the authors meant to say "relevant section". Modified 11 years, 5 months ago. September 2024 General, Nuclear Physics, Particle Physics, Physics. 2 ? i afraid that the previous work will delete. For example, try \documentclass{article} \begin{document} \newcounter{demo} \setcounter{demo}{10} \newcounter{minnumber} Sep 7, 2017 · \ifnum\x=\value{section} (don't forget a trailing % if you don't want a space from the newline character). If I include tocloft, it changes the Feb 12, 2010 · line 23: Missing = inserted for \ifnum. Mar 22, 2021 · @PaulWintz Well, you can always create your own custom macro that takes some arguments to simplify the code. Then, I edited every single image with Inkscape and, finally, I included them into my book with the figure environment. Hereby the space-character behind the 1 also is tokenized as an explicit space-token. Edit If you need to do other tests (< or >, not only =), then the "after-dot" part must be re-calculated using \tnC macro. Top. You could use the standard natbib styles for starters: \bibliographystyle{plainnat} or \bibliographystyle{unsrtnat}. But again the character-token 1 is taken for an element/the first element that belongs to a sequence of character-tokens from the set {1,2,3,4,5,6,7,8,9,0}. Refer to If Then Else for odd page/even page for this specific problem. e. March 2024 2. He's using TikZ anyway, in order to produce these figures; that's the point of his question. Type H <return> for immediate help Try typing <return> to proceed. If there are more than nine digits in the "after-dot" part then the rest is simply ignored. Feb 2, 2018 · I'm trying to insert citations and a bibliography in ASA citation style using natbib. Comparing two integers: \ifnum\value{num}>n {A} \else {B}\fi. However \ifnum 4. In order to install miktex 2. The use of \global is intended for use with definitions or assignments, I think it is interesting that you think the LaTeX 3 syntax is easier :) I like sledgehammers. tex into the main file instead of using \input, it works. I can reproduce an issue if \checkoddpage falls between two pages it could be wrong. Viewed 11k times 15 I am trying to use \ifthenelse to do a floating point comparison. Users TeX has the \ifnum conditional (and also \ifcase), but you may be better off using etoolbox's arithmetic tests. Logical operations like OR and AND are performed using the basic \if<true>\else<false>\fi structure, mixing and match as required to obtain the required Nov 16, 2024 · I need to make a conditional like this: IF #1 > \variable OR #1 = 0 THEN PRINT "True" ELSE PRINT "False" If #1 is greater than \variable or is equal to 0, then it it true. If a number is odd: \ifodd\value{num} {A}\else {B}\fi If num is odd then it executes A else B. In the image I attached, you can see part of the longtable I have. So it doesn't do what pgfmath does. These are set as \chapter* or numberless chapters. I am developing a package called loops, where I am collecting many loops (including a new \foreach and some weird looping macros). Hence Oct 26, 2007 · Hi, I would like the exact same layout mentioned above: 1. B. Please give me some instructions to solve this problem. The algorithm works fairly well and sample output is shown below: Nov 19, 2024 · What you often see on this site, is to make TeX stop collecting for an argument of specific type (very very roughly speaking). Zeros are appended to nine digits in total by this macro. Viewed 39k times {introduction} % includes latex files from the same directory \include{packages} % could be called Methodology or methods or anyfile name \include{structure} % could be results \include Nov 17, 2024 · Under pdfTeX you can perform string comparisons using \pdfstrcmp{<strA>}{<strB>}. However, even that can get you into trouble for more complex cases. There are many more usecases but that's pretty much the main reason of its May 19, 2015 · After looking at various answers on the site and by looking at the documentation of e-tex, I am still wondering what is exactly allowed in the various types of expressions, i. Thank you so much! The text was updated successfully, but these errors were encountered: All reactions. If #1 is a number, the \ifnum comparison works in the standard way, since the leading 0 does not affect the numerical value. Nov 17, 2024 · I have a definition with 20 cases or so, and a proof about that definition has one case for each case of the definition. (But it is much slower, of course. The bibliography is generated perfectly well but all of the citations show up as question marks and the console prints the error: Missing = inserted for \ifnum Apr 28, 2021 · Please make sure that your minimal working example is complete. Commented Sep 26, 2019 at 18:20. --- Sure he can use e. Removing this additional grouping level solves the problem, Nov 27, 2022 · 3. Commands like \ifdef check if a control Jun 27, 2019 · I'm trying to write a budget proposal and I'm using counters to control the number and price of each item. There are indeed very diverse ways to compare numbers. Explore if-then-else structures, boolean expressions, and practical examples. There's tikzmath and pgfmath etc. Dec 22, 2021 · @kammad93 Lots of things. An important part of the grammar of TEX is the rigorous definition of a number , the syntactic entity that TEX expects when semantically an Nov 16, 2024 · The "traditional" way is the old-school way. 4 ? Not sure what this means exactly. \documentclass{article} \newcounter{mycount} \newcommand\namei{a} インストール不要、リアルタイムコラボレーション、バージョン管理、何百種類のLaTeX {\ifnum 0=`}\fi \hrule \@height \arrayrulewidth \futurelet l. I don't know how to tell \foreach to expand its list argument first, hence I have to resort to the device from the TikZ manual with a \mylist definition first. So you can try \documentclass[tikz,margin=5mm]{standalone} \usetikzlibrary{graphs,graphs. \tikzset{fpu} \pgfmathparse{int(0)}\show\pgfmathresult Jun 10, 2020 · This is not completely catastrophic though, because even with < active, it might well expand to a catcode 12 < hence could work ok in \ifnum tests. a new problem following the original one % place chapter headings in the middle of the page \usepackage{titlesec} \titleformat{\chapter}[display] {\centering\large\bfseries} {\chaptertitlename\ \thechapter}{20pt}{\large\uppercase} Nov 18, 2024 · TeX - LaTeX help chat. You get {\ifnum1>0} hello1 \else world1 \par \IFCONDB hello2 \fi \fi (the line breaks are only for clarity). Nov 9, 2024 · Since you already looked into TeX by Topic: You can see both \year and \ifnum are documented there. 2. \hline ->\noalign {\ifnum 0=`}\fi \hrule \@height \arrayrulewidth \futurelet l. lockstep. However when package color is loaded and used with driver pdftex it then loads support file Jun 18, 2019 · You can iterate over all characters, testing the catcode of every one of them. Dec 10, 2023 · do you really use \usepackage[latin1]{inputenc} in that example it accidentally works as there are no accented characters but all code posted to this site is UTF-8 encoded, and many locally installed editors will similarly default Nov 16, 2024 · TeX - LaTeX Meta your communities . – Jonathan Komar. But there are many, many, many other natbib-compatible styles out there (in fact apacite is more the exception than the rule). I also created a table and used \ifnum to control if the item should be included in the pr Nov 25, 2022 · I tried to recreate this instance. Would appreciate any help! (Compiling with Lualatex) Nov 17, 2024 · The mandatory xintexpr solution. In latex we can use built-in commands to execute code whether the conditions are true or not. That is much simpler and doesn't involve counting anything. Apr 27, 2016 · Here is an \ifnum comparison that can handle non-numeric inputs. \ifnum and \advance to perform modular arithmetic by hand with TeX, rather than \pgfmathmod as described in another answer. Therefore \pgfresult is not 1 or 0 anymore and \ifnum cannot be used. 1 LaTeX. From totcount. Dec 18, 2014 · Using \ifnum I set labels position around the coordinates in my pgfplot. 5 Feb 10, 2009 · If i copy the exact contents from table. For example, is \dimexpr 12pt / 2. This time I spare you folks the \xintFor, as \foreach is too venerable. \fi \@arabic Apr 22, 2020 · Then LaTeX starts to gather \ifnum's second TeX-&langle;number&rangle;-quantity. I now address the matter building row by row of the Pascal Triangle, as in the other answers. \makeatother), the sequence Nov 15, 2024 · I'm using a third-party non-standard document class which is based on book. We can create loops in latex. Probably because they're such common terms, I can't find anything explaining how to get conditionals to work. then t will get the miktex 2. If we use a command which includes "@" in its name, we must be put it between \makeatletter and \makeatother. The reason is that {is a non-space, non-expandable token (see here and here for more detailed explanations on TeX's behavior at the beginning or end of a tabular row). 5<1\fi? >> >> \ifnum\number\dimexpr. svukwxlo vxkhzyi xbby bpr uest hvs zwmqa epv emjpixu jqt