Questions tagged [optional-arguments]
{optional-arguments} concerns commands and environments that accept optional arguments. For example the \sqrt command can be used as \sqrt[3]{x}.
488 questions
9
votes
4
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Using macros to define optional arguments for environments
I am trying to use a macro to define the optional arguments to a tcbraster environment. Here is a simple example:
\documentclass{article}
\usepackage{tcolorbox}
\tcbuselibrary{raster}
\def\myoptions{...
- 93
9
votes
3
answers
285
views
Defining a verbatim environment as a pair of commands (e.g., using c argspec), with optional argument
I'm wondering if it's possible to use the new c arg spec (or any other method) in LaTeX to define a verbatim environment as a pair of commands. I also want the starting command to take an optional ...
- 2,764
1
vote
1
answer
118
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why `fancyfoot` doesn't follow the change of parameters?
I have a code like below but the fancyfoot doesn't follow the change of parameters which I altered randomly with the numbers -300 100pt and 200pt:
\documentclass[landscape,a4paper]{article}
\...
- 2,118
4
votes
2
answers
146
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Command to give a dimension expression with an optional argument
My aim is to create a command that issues a dimension for box height control.
In the example below, I've tried to get it work with an optional argument but I don't get why it throws an error regarding ...
- 83
5
votes
3
answers
284
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Second kind of Surface Integral with P,Q,R optional
I want to use \dss[\Sigma][P][Q][R] or \dss[\Sigma]{P,Q,R} or \dss{\Sigma,P,Q,R} to generate
\[
\iint_{\Sigma} P\mathrm{d}y\mathrm{d}z+Q\mathrm{d}z\mathrm{d}x+R\mathrm{d}x\mathrm{d}y
\]
\documentclass{...
- 625
0
votes
1
answer
49
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Passing documentclass arguments at compiler level [duplicate]
Say we have a LaTeX document for beamer presentation
\documentclass{beamer}
...
\end{document}
Now if I want to make a handout of it, I have to manually change this file to
\documentclass[handout]{...
- 383
3
votes
1
answer
162
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Using \sqrt and \root commands with even and odd indices in the mathfixs package
I am trying to use the mathfixs package to handle roots with both even indices (like the square root) and odd indices (like the cube root). I would to use the command \root with other options.
...
- 66k
1
vote
1
answer
83
views
List with numbering that includes section or subsection numbering in it
I have something that works for me for lists, but I have to define the label always in when I start it. I'm using enumitem package and I was looking at this post to try to make this into a new ...
- 33
5
votes
1
answer
157
views
If I defined a command with optional arguments after calling lists of figures/tables, how can I use this command in a caption without causing errors?
I would like to be able to use commands with default arguments in captions of figures/tables without causing an error in \listoftables or \listoffigures. For example, the following code causes an ...
- 173
0
votes
2
answers
55
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conditional optional argument not working in the amsthm proof environment
I would like to use the optional argument in the proof environment (provided by the amsthm package) only in one version of my paper, when a toggle Details is on. This is my code:
\documentclass{...
- 143
3
votes
2
answers
244
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Pass key-value options to command through newcommand
I am using a command that takes key-value parameters:
\somecommand[key1=val1, ..., keyn=valn]
and I would like to use it the following way:
\newcommand{\myoptions}{key1=val1, ..., keyn=valn}
\...
- 121
7
votes
3
answers
270
views
New command with named arguments [duplicate]
I wanted to make a command which accepted named boolean arguments like:
\mycmd{foo=true, bar=false}
So, I tried using keyval package and tried:
\documentclass{article}
\usepackage{keyval}
\...
- 519
1
vote
1
answer
53
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Using xskak for handicap chess
I want to use xskak to typeset a chess game in which Black plays with a handicap; specifically, White is allowed to make two consecutive moves to start the game. (This handicap is similar to the ...
- 113
2
votes
1
answer
70
views
Create a macro with optional argument that add a letter
I would like to add an optional argument to my macro
\documentclass[french]{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{lmodern}
\usepackage[a4paper]{geometry}
\...
- 35
1
vote
2
answers
186
views
Optional argument
The \eval command works well when it was defined with \NewDocumentCommand{\eval}{mm}. When I try to make the second augument optional , an error appears : Runaway argument?
\l_xcn_var_aa_fp \par $\...
- 1,085