{math-mode} is about typesetting mathematical content, e.g. tweaking the appearance of spacing and symbols in a formula, or producing specific mathematical constructs. For questions about "wrapper" environments like equation or align, consider the tag {equations}.

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17
votes
1answer
9k views

How to reference equations using letters and numbers

Sometimes it is convenient to refer to a group of equations by a letter and a number. For example: 2+1 (A1) 2+4 (A2) x^4 (B3) x^e (B4) Placing ...
19
votes
3answers
1k views

Curly brace to insert something into an equation? Like an inverted underbrace

I have a generic equation, into which I want to "insert" something so that the reader can see what I inserted into the equation and at which point. E.g. \documentclass{plain} \begin{document} \[ f ...
18
votes
2answers
5k views

How can I change the whitespace above and below math displays?

I'm looking to squeeze an article written in LaTeX with amsmath to a set number of pages. In the text, I have a number of numbered math displays which I refer to throughout. However, they take up ...
10
votes
4answers
6k views

How to export a equation as a image without background?

For example, if we have a equation on a file like: \documentclass[12pt]{standalone} \usepackage{varwidth} \usepackage[utf8x]{inputenc} \usepackage[T1]{fontenc} \usepackage{amsmath, amssymb, ...
21
votes
4answers
16k views

How to typeset indices before a symbol?

I know how to write a usual index with the help of the underscore, but I seem to be unable to find out how to write an (upper/lower) index in front of a letter/text. These kind of indices are common ...
12
votes
1answer
3k views

Blank lines in align environment

Is there a way to insert a blank line between two equations in align environment? From what I understand a blank line is interpreted as \par and \par is not allowed in align. Can I disable this ...
18
votes
7answers
14k views

Average integral symbol

Is there in LaTeX a symbol or a macro for the average integral with a horizontal slash? I know about \strokedint, but I'd prefer the dash to be horizontal.
15
votes
5answers
3k views

Double superscript error involving tilde

When I write {{\tilde{C}}^{0}_{har}}^{\Gamma} (or the same with fewer curly brackets) in Tex I obtain a double superscript error and I can't solve it. Does someone know how to fix this?
12
votes
1answer
2k views

How to typeset row operations on augmented matrix

I would like to typeset row operations on a augmented matrix, but the "gauss"-package does not seem to support the vertical line just before the last column, any way to do this? Thanks!
7
votes
4answers
1k views

A \boxed alternative with minimal spacing?

The following code comes from this post. The problem is that I would like a way to automate the size of the box so as to be very small with a few of spacing, but the following solution doesn't work ...
73
votes
3answers
272k views

Big Parenthesis in an Equation

I have an equation contained inside \[...\], which automatically makes a \sum with sub- and superscripts turn big--so that the summation sign looks awkward inside parenthesis. Any idea how to make ...
59
votes
3answers
48k views

How to put a big bracket under different parts of a equation so that I could write e.g. a text specific to that part in the equation?

How to put a big bracket under different parts of a equation so that I could write e.g. a text specific to that part in the equation? For example : f = x^3 + 2 |___| |__| | | ...
55
votes
1answer
57k views

How to add extra spaces between rows in tabular environment?

I couldn't find any option that lets me expand the vertical space between rows in tabular environment. For example, \begin{tabular}{c c} $f^{(n)}(x)$ & $f^{(n)}(0)$ \\ ...
61
votes
5answers
22k views

Should I \mathrm the d in my integrals?

When writing an integral, it seems like something should be done to separate the "d", as in \int f(x) dx, so as not to confuse it with a variable. I've seen it left as-is, bolded, and straightened. ...
23
votes
2answers
16k views

how to select math font in document

I want to show in one document different font examples of math fonts, for example Latin Modern, Times and Charter. I know the command \usefont{T1}{lmr}{m}{n}, but have no idea how to combine that ...
20
votes
3answers
1k views

How can I create a new extensible symbol?

Given an arbitrary thin vertical symbol, can I create a new math delimiter from it (and if so, how)? Edit: Ideally, I would like to be able to create an extensible symbol, either built out an ...
29
votes
3answers
35k views

Size commands do not work in mathmode

MWE: \documentclass{article} \begin{document} $\wedge{\small\wedge}{\tiny\wedge}$ \end{document} All the \wedges have the same size...
28
votes
2answers
3k views

Is there an easy way to add hover text to all incidents of math mode where the hover text would contain the LaTeX code?

Adding hover text (I believe the technical term is a tooltip) to any part of any LaTeX document can be accomplished using cooltooltips.sty, as I have recently learned. I would like to do something ...
37
votes
3answers
10k views

Can I use \clap, \rlap and \llap in math mode?

The commands \clap, \llap and \rlap are useful "horizontal" analogues of \smash: they reduce the horizontal width of a box to zero, aligning the box with either the middle, left or right of the ...
21
votes
2answers
14k views

How to get less spacing in math mode

LaTeX commands like this: Here again, four different simulations are run on networks of size $C^{G} = 25 \times\ 25 = 625$, $C^{G} = 50 \times\ 50 = 2500$, $C^{G} = 250 \times\ 250 = 62500$, and ...
17
votes
2answers
2k views

How do I get different colors for math and for text?

I want to include something in my LaTeX article that will make all mathematical formulae appear in black, while all text (including everything inside \text{}s in the middle of mathematical formulae) ...
29
votes
6answers
20k views

Equations in section heading/title

For reasons that are beyond me, the following MWE \documentclass{scrreprt} \usepackage{classicthesis-ldpkg} \usepackage{bm} \usepackage{amsmath} \begin{document} \section{The values of $\beta$ for ...
20
votes
4answers
17k views

Removing spaces between “words” in math mode

I'd like to set $1024 \times 768$ without any space between the three items. Is this possible? If so, how? E.g., what I get is: 1024 x 768 and what I want is: 1024x768
19
votes
4answers
4k views

Draw a line through one column of a matrix

I'd like to "cancel" (draw a line through) a column of a matrix (using \begin{pmatrix}..\end{pmatrix}). How can I do this?
33
votes
4answers
9k views

German language: use of comma in numbers

In German the comma rather than the period is used as a decimal separator and the dot is used as a thousands separator: 12.345,67. The comma creates some unwanted space when used as in $12.345,67$. Is ...
25
votes
7answers
23k views

Typeset mathematical symbols also in sans serif font?

For creating the graphics for my thesis (function graphs, flow charts, line art sketches) I've chosen to use the sans serif font by \renewcommand\familydefault{\sfdefault} However when I use ...
23
votes
3answers
17k views

Footnote in math mode

How can I insert a footnote into math mode? I tried this (with required packages) \usepackage{amsmath} \usepackage{hyperref} \usepackage{ccaption} And i.e if I try \begin{eqnarray} foo && ...
14
votes
1answer
7k views

How can I have a bigger integral (\int) delimiter?

I'm writing some integrals and I don't like the way the \int symbol is displayed when it is followed by a big delimiter. Here's the code: \[ \int_S\biggl(\nabla\times\bar B - \mu_0\bar J - ...
16
votes
2answers
11k views

How to get a vertical bar which is longer than \mid ?

sometimes when writing mathematical expression with partial derivatives, one needs to write a vertical bar afterwards and write the value at the which the partial derivatives are being computed as ...
12
votes
4answers
17k views

Strikeout in math mode

How can I strikeout words in math mode (similar to \sout with \usepackage{ulem} in text mode)? I've tried \usepackage{cancel} and \(\cancel{1+1=2}\) but that draws a diagonal line.
8
votes
1answer
724 views

Can I redefine the dollar

I want to capture the math mode through a redefinition of the $. I thought about something like \def$#1${here was a formula} % to test $x+y=z$ I would expect "here was a formula" as output. Is it ...
18
votes
5answers
15k views

Why can I only use some capital greek letters inside my equations?

For example: \begin{equation} \delta % ok \Delta % ok \epsilon % ok \Epsilon % error \end{equation}
16
votes
3answers
26k views

Supremum of the infimum

Consider the following snippet: $$\text{d}_{H}(A,B) = \max\left\{ \sup_{a\in A} \inf_{b\in B} \text{d}(a,b),\sup_{b\in B} \inf_{a\in A}\text{d}(a,b)\right\}$$ In the output, the text under the ...
14
votes
1answer
2k views

Can I change all math output to use monospaced text?

Is there any way of modifying the preamble, so instead of typing $\mathtt{x}$ ... \begin{eqnarray} \mathtt{y} & \mathtt{=} & \mathtt{z^\pi} \end{eqnarray} I can omit the \mathtt{...} ...
13
votes
6answers
847 views

Typesetting 144…4 with “n times” under the 4's is easy, but what about \sqrt{144…4}?

Inspired by this question on the math StackExchange, suppose you want to typeset the square root of the number 144...4, that is, 1 followed by n 4's. If you write $\sqrt{1\underbrace{44\ldots4}_{n\ ...
9
votes
1answer
5k views

beamer over miktex 2.9 is not working with math environment

I have this problem where I can't built slide documents with beamer every time I include a math environment as simple as $\mu = A$. The log file posts this message at the end: !pdfTeX error: ...
12
votes
2answers
2k views

Exchange meaning of : and \colon

I usually use the colon symbol : to denote maps. For set syntax there is the braket package. So as the spacing of : is not appropriate, I want it to behave like \colon. I tried ...
11
votes
3answers
1k views

How to extend the text under summation symbol without making extra space

I want to get the following: I tried the following \[ a(i,k) \leftarrow \min\Big\{0, r(k,k) + \sum_{i^{'} | i^{'}\notin \{i,k\}}\max\{0, r(i{'},k)\}\Big\} \] and got How can I make the ...
4
votes
1answer
2k views

siunitx uses math mode for symbols - workaround needed when using different fonts for math and text

This is a follow up question from Using old style fonts of palatino (mathpazo) in math mode. The original problem has been solved using siunitx instead of dcolumn. However, the problem is that I am ...
3
votes
1answer
911 views

problem compiling some 'math' using LuaLaTeX

Have a couple of documents with the following sort of construct: \begin{equation} y=\sqrt[n]{\prod_{i=1}^{n} x_{i}} \end{equation} Compiles/renders fine using 'standard' LaTeX, but fails miserably ...
0
votes
2answers
8k views

\begin{equation}: “Display math should end with $$” error?

I'm pretty new to LaTeX, completely new actually, and there is one thing I can't quite understand. I get the error "Display math should end with $$" when writing an equation like this: ...
15
votes
4answers
2k views

mathop shifts the baseline, DeclareMathOperator doesn't

Here is a little example that illustrates this strange behaviour: \documentclass{article} \usepackage{amsmath} \DeclareMathOperator\foo{\mathbf{l}} \begin{document} ...
7
votes
2answers
473 views

Problem with typesetting maths content in an unusual font in beamer

I want to typeset math in different font called Antykwa Torunska, which supports maths. Unfortunately, when using it in beamer the math font is switched to the standard math font of beamer. How can I ...
4
votes
1answer
1k views

Typesetting mathematical formulas in line breaking

When you typeset a mathematical formula is there a rule regarding the breaking of the formula in a new line, meaning if for instanse the formula breaks in a plus sign (+) or in a equal sign (=) then ...
4
votes
1answer
618 views

Missing $ inserted in maths mode

Been trying to this line to parse for a good 20mins, but all attempts have failed: \beta = $-$0.84, t = $-$2.09, P = 0.04 Could anyone tell me why I'm getting a Missing $ inserted error here?
4
votes
6answers
11k views

How can I auto adjust a equation to appear in the entire page? (Scale to equations, is this exist?)

If I have a document like this: \documentclass[landscape, 12pt]{report} \usepackage[landscape]{geometry} \usepackage[utf8x]{inputenc} \usepackage[T1]{fontenc} \usepackage{amsmath, amssymb, ...
4
votes
2answers
1k views

Despite using backslash dollar sign, error persists

\documentclass[a4paper,12pt]{article} \begin{document} \title{Kubuntu Setup} Don't forget your architecture is not i386, but x86_64. Better to use {\tt \$(uname -i)} instead of manually specifying ...
97
votes
12answers
95k views

What is the best symbol for vector/matrix transpose?

What is the best or most popular symbol for vector/matrix transpose? I have used simply ^T, for example $c^T x$. I think it is ugly, mainly because it is a little too big compared with vector ...
107
votes
3answers
41k views

What's the difference between \mathrm and \operatorname?

I apparently can't see the difference in a compilation (pdflatex) between \mathrm and \operatorname. So, as in the title the question is: is there a difference? Which one is preferable in what ...
39
votes
5answers
7k views

Should subscripts in math mode be upright?

In one-letter subscripts, like $x_i$, the subscript is usually typeset italic. Is this the typographically right thing to do? Consider this case: The Boltzmann constant is often written as $k_B$, ...