Questions tagged [programming]
{programming} is about how (La)TeX can be used as a programming language.
517
questions
0
votes
0answers
108 views
Tex for IT professionals [duplicate]
I'm working as a programmer for about 20 years and invested a lot of time into understanding programming and computers before earning money with it.
I've learned to program Java, use Windows, then ...
1
vote
1answer
41 views
modifying default tabular behaviour
I basically do all my tables the same way:
Is it possible to make tabular automate the \toprule, \midrule, \bottomrule and \hdashlines?
\documentclass{article}
\usepackage{booktabs,array,arydshln}
\...
1
vote
0answers
10 views
Conditioning comments [duplicate]
I'm trying to condition comments. I got some information about if/else structures in Latex and here is my first idea :
\newcounter{student}
\setcounter{student}{1}
\ifnum \value{student}=1 {\begin{...
3
votes
1answer
54 views
How can I use arrays in a PGF axis environment?
I would like to use an array in a PGF axis environment. This array would have the parameters values of a function to be plotted. I tried writing the following code:
\documentclass{standalone}
\...
4
votes
1answer
81 views
What would be the drawbacks of adding #0 for denoting the name of the macro that currently is expanded?
Assume a scenario where some macro triggers error-messages.
The error-messages shall also reveal the name of the macro which did trigger the error-message.
One could do something like this:
\...
0
votes
2answers
56 views
how to write this this long equation?
\begin{align}\nonumber
(A_{1}^{5}+A_{8}^2)\tt_{m}^{2}\k^{2}P_{m}^{5}-\left(2(A_{1}^{2}+A_{2}^2)
(\Delta_{a}-\omega_{m}\chi^{2}C)\omega_{m}\chi^{2}-2J^{2}\omega_{m}\chi^{2}
(\kappa_{a}A_{2}-\Delta_{d}...
6
votes
2answers
189 views
Macro for Automating Truth Tables
I used this truth table when writing a proof.
Unfortunately I made a tiny typo; The first time around, I misplaced an additional ʹ symbol, which just happened to make the output exactly wrong. It ...
0
votes
1answer
34 views
Creating a global variable to toggle (show/hide) a bunch of answer keys
I have a bunch of simple trigonometric questions for warming up. Could you make a global variable \showAnswer that accepts true or false (default) to show and hide the answer?
I prefer TeX solution ...
0
votes
4answers
80 views
How to define a macro that takes the definition of a macro as an argument
We would like to define a macro \ellipsis that takes four argument and has the following behaviour:
\ellipsis{x^{#DUMMY#}}{0}{5}{+}
and outputs:
the pattern string #DUMMY# (which doesn't have to be ...
6
votes
3answers
405 views
programmatically drawing sinusoids with tikz
Here's eight full oscillations of a sine wave:
Here's the code:
\documentclass{standalone}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}
\draw[gray!20] (0,-2) grid (32,2); %...
0
votes
0answers
29 views
Define a `\newenvironment` that stores its content in a token register or in a macro
In the code below I want to define a new environment that stores its contents in order to use it later several times with different formats
\documentclass{article}
\newtoks\environmentcontents
\...
14
votes
2answers
298 views
Drawing an accurate guitar fretboard with TikZ
This is kind of a fun one.
dist( x ) = s / ( 2 ^ ( x / d ) )
Such that:
x = number of the fret being evaluated (let's say {0,...,24} so it's exactly 2 full octaves).
s = scale length (...
9
votes
2answers
914 views
Programmatically Illustrating Permutations
Here's an illustration of what's known as an expansion permutation (the top half). It just means that instead of going straight through (like the bottom half aka. the identity permutation), the signal ...
1
vote
1answer
64 views
writing functions and wrapping commands for abstraction
Can i write a little function (or macro or whatever) that wraps two commands (functions?) into one; united under a single alias?
Specifically I want to wrap \input{} and \includegraphics{} into a ...
0
votes
1answer
33 views
Automatically generate table with content from different environments
I am using a very simple custom environment to create exercises and their solutions. Each exercise yields a individual number of points. The number of points is defined in this way:
% First argument: ...
0
votes
2answers
88 views
Import photos directly from a folder [closed]
I just want to automate a report, but i have to add photos from a folder one after the other (all with the same termination(.jpg)), is there a macro or something that adds all the photos at once? For ...
0
votes
0answers
35 views
foreach looping error [duplicate]
Prior to posting this question, I have read the post here: OP asks the same question two or three times or does the same strange things several times
My purpose in asking same questions with ...
1
vote
0answers
67 views
Tikz language syntax
I'm hoping to add a tikz-specific language environment to my LaTeX editor (vscode), I've run into a bit of an issue looking for any speicifications for tikz grammar though.
Would anybody know of any ...
5
votes
2answers
72 views
Checking if argument is a floating point without breaking on control sequences in argument
Inspired by this answer to test whether an argument is a positive integer, I would like to extend this to floating point numbers. I want to have a macro \TestNumber that checks, whether its first ...
1
vote
1answer
42 views
LaTeX code with input dependent on some integer parameters
Suppose that I have a large number of .tex files with names 1.tex, 2.tex, ..., N.tex (with N = some integer).
I would like to write a LaTeX document, where I set some parameters for example:
howMany ...
10
votes
3answers
233 views
Smart-expansion of a range to a list of numbers
I am wondering if there is a simple way to expand some input text such as "3-7" as "3,4,5,6,7"?
For context, I am using \foreach and want to be able to write
\foreach \x in {3-7, 9, 14, 52}
and ...
2
votes
0answers
43 views
An Automatic Way to Produce “Author Contribution” Section
Background
Academic journals and other scholarly publications are beginning to adopt a standardized requirement for Author Contribution sections. This is a section in which authors are labeled based ...
0
votes
0answers
28 views
How are pgf-keys stored and is it possible to print a list of them
I was wondering how pgf-keys are handled internally. For example:
If I define:
\pgfkeys{/A/.code={My Key}}
and I call the key with
Hello this is \pgfkeys{/A}.
How does the \pgfkeys-command expand?
...
3
votes
2answers
91 views
keyval - function for keyB should act dependent on value of keyA - how to do this?
I'm new to LaTeX. I learn and I use article class. I struggle learning working with keyval package:
I try to write macro \macro which only uses one mandatory argument where user can provide key value ...
8
votes
2answers
503 views
Mark command as obsolete
Is it possible to declare some command inside a package as obsolete? I work on a package and want to inform users that in the next version of the package this commands will be deleted. What kind of ...
2
votes
1answer
32 views
Reading an input word in an array and then processing character by character
For some application, I need to read input tex file word by word (not necessarily as arguments of any command), and then to print each word after changing the positions of some characters within the ...
7
votes
1answer
133 views
Does \expanded replace the \romannumeral trick for expansion?
TeXLive 2019 is here :D
One of its awaited features is the new \expanded primitive now available in all of the main engines (only available in LuaTeX in previous years) thanks to Joseph Wright.
What ...
5
votes
1answer
69 views
Changing a tcolorbox listing option based on the number of lines of its listing
Consider the following code which produces listings:
% ---------------------------------------------------------------------------- %
% Preamble
\documentclass[12pt]{article}
% -----------------------...
1
vote
1answer
72 views
Is there a way to define \xmat*{M}{n}{m} in the physics package
As titled, I want the command\mqty(\xmat*{M}{n}{m}) to generate a matrix like this:
$$
\begin{pmatrix}
M_{ 11 } & M_{ 12 } & M_{ 13 } & \cdots & M_{ 1m } \\
M_{...
2
votes
1answer
66 views
Dynamic row spacing if total character is variable
I use datatool to get data and row spacing can change.
Count word/character of Total character of (Text A + Text B) if:
Total charater of (Text A + Text B) < 20 characters => set row space of ...
6
votes
3answers
171 views
\numexpr behavior in math mode and/or TikZ
I am attempting to create a triangular grid of numbers like shown below:
This was created in TikZ by hard-coding each point, but I would like to generate the grid procedurally so I can make ...
0
votes
0answers
31 views
LaTeX - Pass variable into a string [duplicate]
In LaTeX I am trying to pass a variable into a line for the \progressbar.
If you type everything in it looks like this
\progressbar[linecolor=blue, filledcolor=green]{.25} \begin{picture}(0,0)\put(-...
0
votes
0answers
58 views
Embedded picture with separate coordinate system (Tikz)
Am using Tikz, and have a slightly complicated drawing. Now I want to replace a rectangle in a certain place with a more sophisticated shape. This shape I have in SVG format, and I want to replace the ...
3
votes
1answer
57 views
Use array/list/sequence for repetitive code?
For a PhD thesis cover template in our university, there is some code as follow:
%%% Jury member n1 (Président) %%%
\newcommand{\jurynameA}{M. Cabot}
\newcommand{\juryadressA}{Someplace}
\newcommand{\...
2
votes
1answer
105 views
How to expand condition on \IfEqCase before evaluation?
I'm trying to do a simple task (as in the MWE below). When a given text is given (a filename) it outputs a given color.
To work as I intended, \IfEqCase should only evaluate the file extension, as ...
2
votes
2answers
88 views
Know in which column am I in [closed]
it there a way to have a variable that returns in which column of my multicols environment am I in?
Thanks!
0
votes
0answers
34 views
Is it possible to `\include`/`\input` a text depending on the language set on babel or polyglossia
I would like to know if it is possible to conditionally require, in a given document, the inclusion of a chapter or the input of a particular piece of text, depending on the language set on babel or ...
3
votes
2answers
63 views
Special treatment for first and last items in \seq_map_inline
It is rather common to have to apply special treatment for first and last items of a sequence. I wonder what the best ways to treat these cases in expl3's \seq_map_inline.
For instance, suppose I'd ...
2
votes
2answers
91 views
How can I wrap this hard-coded image gallery into a new environment?
I'm building a gallery using tabularx and tikz, similar to image-gallery. Here's a snippet:
\documentclass{article}
\usepackage{tikz} ...
0
votes
0answers
41 views
Generalization of progressive downscaling of fontsize
Although the answers to How can I progressively scale letters? are functional in the restricted context of the post, I would like to extend it by asking for a programmatic solution to the more general ...
2
votes
1answer
92 views
Reflection in ConTeXt
The answer to ConTeXt: avoid enumeration items across pages was a nice introduction to modifying TeX before rendering, like HTML with JavaScript.
\startsetups [userdata:itemize]
\setbox\scratchbox\...
1
vote
1answer
82 views
Input variable as argument in metapost script?
I would like to pass input parameters into my .mp script.
For example, instead of running:
mpost script.mp
I want to run something like:
mpost script.mp 1 1 2 diamand
Where "1 1 2 diamond" are 4 ...
2
votes
1answer
64 views
Extend book class with options of multiple values
I am writing a class based on book.cls, to which I want to have an option that is a list, so I can do
\documentclass[languages={french, english}]{testops}
I have define the key using l3key2e. But it ...
0
votes
1answer
107 views
Convert TeX to a standard equation string [closed]
I'm currently programming in Javascript, I figured this would be the best place to put it. I'm very very new to TeX, in fact I discovered it within the past hour. I was wondering if I could convert ...
2
votes
1answer
32 views
\centering leads to cascade of errors
Context: I'm developing a title page (writing my own titlepage environment) and I'm writing my own \thanks command (to give me control over where I spew the footnotes). Not knowing how \footnote does ...
3
votes
1answer
214 views
Processing a math paper written in TeX to generate a summary
I'm interested in writing a program that can automatically process math papers written in TeX in order to generate summaries. I have partly finished one written in Python but it does not seem to work ...
5
votes
2answers
128 views
Macro losing value when exiting custom environment
I'm trying to define my own custom environment, and ran into this problem: When I set a macro inside the environment's start code, that macro loses its value at the end of the environment.
To be more ...
0
votes
1answer
32 views
Designing the programming list block in LyX
I'm new to LyX. I'm trying to create a programming block of some PL which looks like in the picture bellow:
Tried to look for some similar threads, bud didn't find any.
How can I make make the ...
1
vote
1answer
115 views
LaTeX error: illegal parameter number in definition of \pgffor@b
I am trying to use a loop. The following does not work:
\foreach \a in {no,has}{
\begin{table}[H]
\footnotesize
\captionsetup{width=.9\linewidth}
\caption{text}
\vspace{-22pt}
...
3
votes
3answers
180 views
How to more efficiently get code like this?
I have a folder containing files like these,
2007.pdf
2007_Q1.pdf
2007_Q10.pdf
...
2007_Q5.pdf
2007_Q6.pdf
2007_Q7.pdf
2007_Q8.pdf
2007_Q9.pdf
2008.pdf
2008_Q1.pdf
2008_Q10.pdf
2008_Q11.pdf
2008_Q12....
