{cross-referencing} is about making connections from a point in a document to related information elsewhere, usually within the same document. Standard commands are \label and \ref. For questions about citing or bibliographies, use {bibliographies} instead.

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25
votes
3answers
16k views

Warning: There were multiply-defined labels

I got a "LaTeX Warning: There were multiply-defined labels", and I know what it means but my document is pretty big and it has various files. So, how can I find the multiply-defined label? I am ...
15
votes
1answer
18k views

What is the difference between \eqref and \ref?

Is there any difference between \eqref and \ref? I used both of them in my document using the package classicthesis and saw no difference in the result. Is there any specific situation in which I ...
9
votes
3answers
3k views

Unable to link to inserted pages with pdfpages

I would like to add labels to pages inserted with the pdfpages package. I sort of works right now, but it is not possible to link to the labels with \ref and \pageref commands. But it is possible to ...
15
votes
2answers
1k views

“Automatic” section labeling?

I would like to be able to link within a document to another section without having to explicitly put a label after that other section command. hyperref does this with the TOC labels, so I think that ...
13
votes
4answers
23k views

How to reference subfigure in caption

I used to have code like this: \caption{In \subref{fig:foo:a} you can see...}. Now I switched to using memoirs subtop/subbottom command instead of \subfigure. How can I refer to that subfigure? As a ...
9
votes
2answers
232 views

Show reference label when it is undefined

When a reference is undefined, LaTeX shows simply [??] which doesn't give much information. I would like it to show the label instead. This is useful when more collaborators work on the same preprint ...
9
votes
2answers
9k views

Table numbering mismatch in caption and in text

I have created 2 tables in my LaTeX document \begin{table}[hb] \centering \begin{tabular}{|c|c|r|} \hline ... not important... \end{tabular} \label{tab:2} \caption{Določanje prioritet mojstrov ...
6
votes
1answer
1k views

cleveref fails to reference algorithms

In the following example document, both \autoref and plain ref will correctly link and number an algorithm reference, but cleveref fails that task. It will just insert question marks instead. In ...
4
votes
2answers
500 views

Automatically add prefix to references from another document?

I'm using xr to reference equations in supplemental material to a paper. I'd like equations from the supplement referenced in the paper to automatically be prefixed with "S", so that ...
16
votes
2answers
1k views

Fancy cross-referencing

As an extended idea of Using section sign (§) for cross-references to sections, how can we use See ⚙5.2 and ☰5.3 in ☞123. instead of: See figure 5.2 and table 5.3 in page 123. ...
11
votes
1answer
639 views

How to label a word inside a paragraph?

The idea is to place \LBL{some_label_name} in a paragraph so that I can refer back to the particular point inside that paragraph where the \LBL was placed. I would like to define the macro for \LBL. ...
9
votes
1answer
347 views

Macro to automatically save section name of previous section and next section

EDIT: I've edited the code that reproduces the anomalies, but I'll work on the code to more accurately depict the problem later on the day. Weird spacing in index Index doesn't appear in footlinks / ...
8
votes
2answers
1k views

Using reference with externalized pgfplot figure

I am currently writing a document with a lot of plots. I draw them with pgfplots. which uses a lot of ressources. To manage that, I use the externalization feature of TikZ. In the file myarticle.tex, ...
7
votes
1answer
801 views

Cleveref: AUCTeX and RefTeX set-up

How can I set up cleveref to work with AUCTeX and RefTeX? I have tried the advice on Emacs, RefTeX and Cleveref – can they work together? but it didn't work. Additionally, when I hit enter, \ref{} ...
6
votes
1answer
904 views

beamer: using \note<> and frame labels together creates multiply-defined labels

This question is very similar to this one. However, since the solution provided there cannot solve my problem, I figured that I'd post my specific problem. Here is a minimal example to illustrate ...
4
votes
1answer
139 views

Printing selected chapters without affecting cross-referencing

I am writing my thesis in Lyx and for some reason, probably due to the style sheet, I am unable to print the complete thesis. It gives weird errors. However, individually all chapters are easily ...
18
votes
4answers
794 views

Inserting/Numbering/Labelling/Referencing several times the same equation written in various form

I'm looking for an automatic way in LaTeX to number a same equation that would be inserted several times (under different forms for instance). The output would look something like: some text x-y=0 ...
17
votes
2answers
570 views

Automatically numbering constants

I would like to somehow use LaTeX to automatically number constants. Some background As a mathematician, in my daily work there are a lot of throw-away constants which are not extremely important ...
10
votes
1answer
4k views

\nameref — How to display section name AND its number

Is it possible to make \nameref display not only the title of the section but also its number? \section{First Section} \label{sec:some_sec} \subsection*{Unnumbered subsection} \label{sec:subsec} ...
9
votes
1answer
91 views

How do I make an exact copy of a table, but keep its number for referencing?

I have a table, and I want to print it twice in my document. I want them to have the same label, caption and number, so that in the caption when it says "Table 1: foo" the same number shows up, and so ...
8
votes
2answers
1k views

How to reference a paragraph with § symbol and without a dot?

I'd like to add a clickable reference to \paragraph, but instead of having just a clickable number with a dot after it, I'd like to add a \S sign to the link too (NOT the name of the paragraph!) and ...
7
votes
1answer
8k views

How to Label and Caption a Tikzpicture inside a tabular environment

What is the correct way to label and captionize a tkizpicture inside a tabular environment? (Since figures are not allowed inside a tabular) Excerpt from my .tex: \begin{tabular}{l r} & ...
6
votes
5answers
2k views

How to get a list of all the labels in a LaTeX document in WinEdt

I am writing a large document using LaTeX and WinEdt. I have labeled each chapter, section and so on. I would like to print out a list of just the labels (so that I don't duplicate one later on, and ...
6
votes
2answers
1k views

TikZ Document Navigation (\label and \ref commands)

I am currently a university student studying engineering. I have been a user of LaTeX for a few years now and cannot work out how to solve the following issue. In Australia, there are standards which ...
5
votes
1answer
2k views

Custom enumeration for axioms or hypothesis

This is a follow-up from : Custom Enumeration I'd want to obtain something like : Axioms list : A1. First axiom A2. Second axiom A2'. Equivalent version of the second axiom with cross-reference, ...
4
votes
1answer
588 views

Hyperref links linking to the wrong label.

I'm currently trying to write up some solutions to a set theory text, but some of my labels don't seem to be working correctly. I've uploaded it here, if it's perhaps helpful to look at. Anyway, I ...
24
votes
2answers
11k views

How to reference \paragraph?

It is well-known that \section environment may be assigned a label \label{refname} and then the refname may be used in order to reference this section: \section{My nice section} ...
18
votes
4answers
681 views

How exactly does \def\p@figure{Figure~} work?

I took this line from my thesis style and added it into my document (preceded by \makeatletter) and what it does that whenever I used \ref{figureid} instead of putting just the figure number, it puts ...
17
votes
1answer
1k views

How to diagnose a permanent “Label(s) may have changed” warning?

I'm getting the following warning: LaTeX Warning: Label(s) may have changed. Rerun to get cross-references right. The problem is, it doesn't go away after rerunning (any number of times). The ...
15
votes
6answers
4k views

Defining custom labels

Is it possible to define a directive which creates a custom label which I can later reference on multiple locations with \ref{...}? For example: ... \createlabel{l-foo}{22} ... % later in document: ...
14
votes
3answers
99 views

What to consider when naming labels to prevent errors?

This question is inspired by Umlauts in label and a quote from an answer to How to automatically add \! in subscripts? However the best is to avoid _ in labels. I already name all my labels with ...
9
votes
2answers
315 views

How to refer back to a point in the document with custom counters?

The easiest way to explain what I would like to have is to show the desired output and I would like to get this by writing something like: \begin{document} Draw point B \STEP{drawb}. Connect A and ...
9
votes
1answer
159 views

\ref with tight box surrounding the reference

How can I make the colored box around a reference appear completely tight? MWE: \documentclass[a4paper,twoside,openright,final,12pt]{book} \usepackage{etex} \usepackage[english]{babel} ...
9
votes
3answers
308 views

Cleveref and breqn packages don't play nice together

I have been using the breqn and cleveref packages independently, and I think they are both excellent packages; but recently I have tried using them together, but it appears that cleveref cannot ...
8
votes
5answers
662 views

Reference to the Table of Contents page

I thought that someone must have asked this, but my searches didn't find it. I am looking to refer back to the table of contents from places in my document. How can I do this?
8
votes
2answers
159 views

Customise counters, cross references to environments

I would like to make cross references to own defined counter on environments. So far I have tried the following, \documentclass{book} \newcounter{entryc}[subsection] ...
8
votes
1answer
533 views

\eqref to give reference to a sequence of subequations

Suppose I have the following code \begin{subequations} \begin{align} a+b = c \label{eq.1}\\ d+e = f \label{eq.2} \end{align} \end{subequations} I want now that upon giving the reference, it ...
8
votes
3answers
3k views

How to use the command \autoref to implement the same effect when use the command \eqref?

For example, the first equation of Section 1 in a tex file is numbered in the form (1.1), When we use the commands \autoref and \eqref for referring it, the compiled pdf file will show Equation 1.1 ...
7
votes
1answer
146 views

Modified \overline over first character of complex argument

I've been using zref to handle my references. It has allowed me to customize a reference the way I want through its property lists. In particular, I reference a variety of structures in my document ...
6
votes
3answers
283 views

list of occurences of references

I need a list like the list of figures for \ref entries in the text to instances of a custom Theorem environment. Here's a MWE with a handbuilt example. The solution should add features to this code I ...
6
votes
2answers
627 views

How to create a custom list and \item element?

I would like to create my own list environment with custom \item element, with a custom tag myitem, that takes an optional parameter (the 2,7,6 in my example). It should be a numbered list. I should ...
5
votes
1answer
154 views

Labeling Multiple Equations Per Row of a Table

I am trying to create a table with two columns of independently labelled equations (1-6). Unfortunately, everything I have found so far either has not worked or would number them as sub-equations (1a, ...
5
votes
1answer
285 views

How to imitate great looking Motion Mountain ToC, including hyperlinks?

I wanted to customize my ToC to look more or less like the one in Motion Mountain physics textbook, including clickable page numbers. My decision was to use hyperref and titletocpackages. Now it seems ...
5
votes
1answer
2k views

Numbers of figure references

I use enumerating of figures within the section \renewcommand{\thefigure}{\arabic{section}.\arabic{figure}} however, when I use a reference to subfigure, instead of 1.1 (a) I get 1(a). How should I ...
5
votes
3answers
24k views

How to understand the LaTeX warning “there were undefined references”?

I am running this LaTeX file through pdflatex and getting these warnings: latex warning: there were undefined references. latex warning: label(s) may have changed. Rerun to get cross-reference ...
5
votes
1answer
464 views

subcaption: how to redefine default separator between figure and subfigure number in \ref's?

I am migrating from subfig to subcaption package and wondering how to make the following thing. The subcaption labels in floats should look like a single italic letter in brackets (a), and ...
5
votes
1answer
582 views

Multiply defined label warnings when using Subcaption in a Tikz picture

In an earlier question, I asked how to create zoomed highlights of a larger image automatically. User Jake provided an excellent solution using TikZ. However, when subcaptions and hyperref are added ...
4
votes
1answer
152 views

Avoiding multiple label-refs in simply-formatted documents

I want to build a file with a number of math problems and solutions, like: Problems ... ... ... Solutions ... ... ... I want to link back and forth ...
4
votes
1answer
451 views

Remove blank page between Acknowledgements and Table of Contents?

I get a blank page between “Acknowledgement” and “Table of contents”. How can I remove it? I used a template from somewhere. The preamble is as follows: \documentclass[openany,12pt]{ubthesis} ...
4
votes
2answers
166 views

Custom cross-reference formats (e.g. “Equation 1” instead of just “1”) [duplicate]

I have an equation system set up as below. When I reference it however, ie. with \ref{eqn:surfacetension}, it only prints the number '1', and not 'Equation 1'. How can I modify the code to do that? I ...