Questions tagged [tags]

{tags} is for questions specifically about the tagging of mathematical equations in LaTeX (with numbers, letters etc.).

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12 views

Typeset equation number in margin in two column mode

I am trying to typeset a math paper in two column mode using the amsmath package (in fact, using mathtools), making equation numbers appear in the margins. To be clear: I want equations in the left ...
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1answer
27 views

Reference with a dynamic tag

I have a list of several conditions with a parameter, and I would like to include the parameter explicitly in tag of the condition. However, I would also like to reference the definition of each ...
1
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0answers
20 views

Tagging theorems as one tags equations

I know that, in LaTeX, one can tag equations. As a result, equations are not numbered. Instead, they are assigned an arbitrary string that then appears whenever the equation is referenced. I would ...
2
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1answer
64 views

newenvironment and chemfig

Since can't set a label to a chemical reaction with chemfig package, the only solution is put the scheme between \begin{equation} and \end{equation} \begin{equation} \schemestart 2 \ce{H_{2}O} \arrow{&...
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0answers
27 views

Grid of equations in aligned environment, each with own references

I would like to achieve something like the example shown in the picture below. I already have a solution; however, it seems to involve creating a lot of minipages and subequation environments, plus ...
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0answers
29 views

Chmnum does not subsitute tags reproducably

I am trying to implement the automatic enumeration with the chemnum package. However, it does not work properly in every environment. Testing in a small environment works perfectly fine. Copying the ...
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0answers
18 views

ntheorem, thmmarks and leqno

I'm trying to use the leqno option along with the package ntheorem. But if I then allow the thmmarks option to get the Q.E.D. for proofs, it totally breaks the code. Once I remove the leqno it will ...
1
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2answers
24 views

Indent tag of equation to the left

I need an equation in which the equation itself is centered and the equation number (a custom tag) is located more to the left. \documentclass[a4paper,12pt,numbers=noenddot]{scrartcl} \usepackage{...
2
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0answers
31 views

Printing the tags beside question number with exsheets package

I would like to display the tags used for each question on the right side of each question number, in a modified form, such that: S-20-A2, 10-Complex would become [Simulation 2020 - Variant 2, Grade ...
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0answers
39 views

Tag number at wrong place in an align environment

I'm having a problem in numbering some equations in this MWE code: \documentclass[11pt,letterpaper,twoside]{book} \usepackage[T1]{fontenc} \usepackage{lmodern} \usepackage[total={6in,10in},left=1.5in,...
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1answer
25 views

How to use \tag{} for multiple equation in align*

I am working on a report. One of that is to requote many equations from paper. I often use: \begin{align*}\tag{5} x = a + b \end{align*} This works fine for a single equation. However, is there any ...
1
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1answer
59 views

Enumerate and align equation

I would like to enumerate two equations in the following format (a) For all x < y (b) For all x + y < z that is I would like to tag/number them with a) and b) on the left, I would ...
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0answers
53 views

error show TCItag in eqnarrary in \input{tcilatex}

\documentclass{article} \input{tcilatex} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \begin{lemma} The Binet formulas for these sequences are% \begin{eqnarray} P_{k,n}(x) &=&...
3
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1answer
39 views

Can I use a cross reference in the caption figures?

I tried to find solutions, but I was unable to find I need to report in chapter 11, a figure contained in chapter 7 and I want them to have the same image number. I tried using the \tag{\ref{}} but I ...
3
votes
1answer
58 views

How to align equation number with multi-lines equation?

I am using long equation with 6 lines. I keep getting the equation number in the bottom of the equation and not in the middle as other equations. I am using: \begin{equation} \begin{aligned} ...
3
votes
2answers
122 views

combining cases, subequations and tags

I'm trying to write a set of equations in \begin{cases}. The i-th equation should have the tag P.i. I can use \tag{P} to number the entire set as P, or, I can use \begin{subequations} to number the i-...
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0answers
18 views

How to input information from an external file with tags like in Biblatex?

Biblatex allows you to write the information about various sources in an abstract way, that is, with tags like title = "X", and then to pull that information into your document, with commands like \...
3
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1answer
139 views

how to add explicit equation number in aligned environment?

I have looked at all related questions and not able to find solution. I have to use aligned and since aligned does not support tag, how would one add an explicit equation number? Here is MWE \...
0
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1answer
79 views

Correcting the hyperlink anchors of (sub)equations with custom tags

In this example: \documentclass{article} \usepackage{amsmath} \usepackage{hyperref} % https://tex.stackexchange.com/a/412381: \makeatletter \newcommand{\linkdest}[1]{\Hy@raisedlink{\hypertarget{#1}{...
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2answers
64 views

How to write a long equation and number it?

I have the formula block: \begin{eqnarray} \tag{A8} 2x+3y+4z+2u+7o+8k+90l+43+56+45p+33h \nonumber \\ &+& 89n+90m+34j+23a+45b+56f = 0 \end{eqnarray} but I am not getting the required ...
8
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1answer
158 views

Why does \tag require braces while \frac doesn't?

I'm used to using \tag without braces like \tag3 instead of \tag{3} in Markdown+MathJax, where it works as fine as does \frac12 in normal LaTeX. But when I tried to do this in a real .tex source ...
2
votes
2answers
116 views

How to classify and print only certain items from a register in ConTeXt?

I created many registers in my document like this, which lets me store vocabulary words, using \definevocabulary{word} and then call the list later with \placeregister[vocabulary]: \defineregister[...
1
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1answer
139 views

Hyperref's hyperlinks getting offset by custom tags

I have a document using various packages including hyperref, cleveref and the standard AMS math packages. Within a section, I tagged my first equation to give it a custom label, but not other ones, a ...
0
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1answer
60 views

How can I write a long equation in two lines and name it?

\begin{eqnarray} \tag{A8} 2x+3y+4z+2u+7o+8k+90l+43+56+45p+33h \nonumber \\ &+& 89n+90m+34j+23a+45b+56f=0 \end{eqnarray} But I am not getting the required equation with name A8. If anyone ...
1
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2answers
72 views

Append text to equation tags

I want to append the current section to equation tags, even if I use the \tag command to override it. I would guess this entails creating some custom command like \appendtag. I know I can use \...
3
votes
2answers
519 views

Label or tag for questions

I am making mini question banks on different chapters of physics. For this, I am using the 'exam' class. what I need is the following: I want to put some information for my own use against each of ...
2
votes
1answer
98 views

How to tag an enumerated list?

I want to tag the mark value of the question right to it as follows Here is my MWE \documentclass{article} \usepackage{amsthm,multicol,enumerate} \begin{document} \begin{enumerate} \item \...
0
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1answer
66 views

How to get equations in align environment to have numbers

If I have the following situation \documentclass{report} \usepackage{amsmath} \begin{document} \begin{align*} y &= 2x+3 y &= 7x+4 \end{align*} \end{document} The equations in the align ...
5
votes
1answer
74 views

adding explanations to equations

How can we type equations and add explanations like below? The options that I can think of are: (1) using tags which I don't know how to break them into two lines (2) using minipage, which might not ...
1
vote
1answer
233 views

Aligning tags at the end of the line

Is there any special reason why using the $$ won't produce the tags, like it does using \[ \] ? \documentclass[12pt]{article} \usepackage{mathtools} \usepackage{amsmath} \begin{document} \[\lim_{\...
0
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1answer
156 views

How to use multiple \label across multiple \align* environments?

For long calculations, I have two align* environments for two equations. I have as an example \documentclass{article} \usepackage{amsmath} \usepackage{nccmath} \begin{document} \begin{align*} \...
2
votes
1answer
57 views

Can't show equation tag properly

\begin{align*} \sum_{j=1}^{m_0-1}\,(-1)^{j-1}\hspace{-3ex} \sum_{\substack{ k_{m_0 +1} \leq k_{m_0} \leq \cdots \leq k_{j+2} \leq k_1 \leq \boldsymbol{\ell} \\ k_2 < \cdots < k_j < k_{j+1} \...
0
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0answers
50 views

How to use main file combined other two files with tags?

\begin{filecontents}{a.tex} \tag{1.1}{this is 1.1 from file a.} \tag{1.2}{this is 1.2 from file a.} \end{filecontents} \begin{filecontents}{b.tex} \tag{0.1}{this is 0.1 from file b.} \tag{1.1}{this ...
2
votes
1answer
120 views

How to combine two files like this?

I have these codes a.tex \tag{1.1}{this is 1.1 from file a.} \tag{1.2}{this is 1.2 from file a.} b.tex \tag{1.1}{this is 1.1 from file b.} \tag{1.2}{this is 1.2 from file b.} main.tex \...
4
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4answers
648 views

how to put equation number at the bottom

i want my eq number 11.72 to appear at the last line.how can i do that? After a wick rotation we obtain \begin{equation} \begin{split} \int \frac{d^4 \mathnormal{k}}{(2\pi)^4}\text{log}(-k^2+m^2)=&...
3
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2answers
74 views

How can I temporarily replace 'and' with 'or' when using `\cref` command?

The code below generates correct output. However, I would like to know how I can temporarily replace every instance of 'and' with 'or' just for specific instances of \cref usage. I included xcolor and ...
1
vote
1answer
79 views

Multiline math environment that allows for individually tagged equations grouped by brace as rhs

I'm looking for a math environment that would allow me to write two lines/equations, that needn't be aligned per se, but in which one of the lines looks like this: a = {a(x), where a(x) is a system of ...
1
vote
1answer
55 views

Problem with side by side equation tag and custom tag style

Consider the following MWE: \documentclass{article} \usepackage{mathtools} \usepackage{amsmath} \newtagform{brackets}{[}{]} \usetagform{brackets} \AtBeginDocument{\let\latexlabel\label} \...
3
votes
2answers
560 views

(1), (2)… at the end of a line

Thank you very much, K. Paul and Ignasi ❤ You have provided me solutions that suit my document perfectly! However -- well -- which answer should I mark to be 'accepted' when both are correct?😂 ~~~~~~...
2
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1answer
100 views

Use external file for database equation

I created an external reference file with many mathematical formulas. very similar to this: foonotes in external page the equations.tex is so structured : \documentclass[10pt]{article} \usepackage{...
2
votes
1answer
300 views

Aligned within align: Why are they right-aligned?

I want to align multiple equations. Some of them span multiple lines, some of them don't. I'd like for the equation tag of the multiple-line equations to be aligned with both lines, not just one of ...
1
vote
1answer
91 views

Why does not cross-referencing of exercises work with `exsheets`?

I am trying to use cleveref package to create custom referencing scheme for exercises created using exsheets. I customize cross-referencing of floats and equations very well using codes similar to the ...
0
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1answer
84 views

Why does the equation tag moves when using `\hspace`?

I am using align environment and sometimes can see that there is an unwated space in some parts of the aligned equations. Hence, I use \hspace with negative length to get the desired spacing. Even ...
0
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1answer
269 views

How can I vertically center a tag in flalign environment?

I am trying to use flalign environment, but the tag is not centered. I know that each entry after \\ is taken as an independent equation in flalign, but is there a way to produce the same result below ...
0
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0answers
62 views

catchfilebetweentags and lstlisting [duplicate]

I would like to use the catchfilebetweentags package together with the lstlisting one. The output is a fatal error. Let us consider below the following minimal example. \documentclass{article} \...
2
votes
1answer
65 views

Labels and tags with parametric dependence

Suppose there is an equation with a parameter, and the parameter is represented in equation's tag: I'm looking for a way how to refer to this equation using two different \lambda, say, \lambda_1 and \...
0
votes
1answer
55 views

Having a part of the \tag not show up when using \eqref

In a document, I have equation numbers like (3.4)=(2.1) to show that the equation was already used previously. When I then reference this equation with \eqref, it shows up exactly like this. How can I ...
4
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1answer
86 views

Displaying tag for listing environment like math environments

I'm using listings to better typeset code that was originally placed in an undesirable environment (verbatims inside eqnarray with negative space for each line) due to journal submission requirements. ...
1
vote
2answers
339 views

How to Align Lines with Comments with other Lines in Math-mode

When I use the \tag command to add a comment in line in math-mode, sometimes that line becomes off-centre and doesn't align with the rest of the equations. Here is example of a code and its output: \...
2
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1answer
90 views

How to number a group of equations together and align them with others

I'm currently using this: \documentclass[a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{hyperref} \begin{...