{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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8
votes
1answer
576 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 ...
4
votes
1answer
1k 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
807 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
3k 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: ...
4
votes
6answers
5k 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
832 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 ...
25
votes
6answers
2k views

Bad positioning of math accents for the beamer standard font

With a recent TeX distribution, the easy answer to this question is "load the sansmathaccent package" (which is Ariel's implementation of my answer). Actually, the corrected font should be loaded ...
34
votes
2answers
26k views

\bm package versus \boldsymbol

I'm typing a bold vector small x with a tilde sign above it. Now when I want to write its derivative, I'm putting a dot on top of everything. This is giving me problems and I found one solution: ...
43
votes
4answers
9k 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. ...
33
votes
4answers
4k 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 $k_B$, ...
28
votes
6answers
1k views

Is it possible to write all mathematical formulas in a separate file and add them in main file on-demand?

Consider this scenario: I have a report to write and I want to write all mathematical formulas in a separate file and then add them in the main report file on demand (i.e. include/import/add/call a ...
21
votes
2answers
10k 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
15k views

Math mode in tabular without having to use $…$ everywhere

\begin{tabular}{|l|l|l|} \hline Column A & Column B \\ \begin{math} x & y \\ \end{math} \end{tabular} This won't let me compile and gives a lot of errors, how do I enable math mode in a ...
18
votes
4answers
10k 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
21
votes
2answers
4k views

How can I prevent LaTeX from breaking inline formulas globally?

I am using the acmsmall template and my inline formulas are being broken at equal signs and arrows; how can I prevent them from being typeset like that globally (i.e. without having to put tildes ...
15
votes
2answers
1k 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) ...
14
votes
3answers
4k views

How to raise a subscript?

For some reason, I need to write a “minus” sign as a subscript on some symbols, but if I simply write $\Pi_{-}$ the result looks kind of odd. I've found that $\Pi{\scriptstyle -}$ looks reasonably ...
13
votes
3answers
2k views

Multiple letters without spacing in Math [duplicate]

Is there something I can add to the preamble of my document such that multiple letters without spacing in a Math environment (such as $NP$) do not have extra spacing between them and are not ...
10
votes
3answers
2k views

Arrow between parts of equation in LaTeX

I want to make an arrow under an equation pointing from one part of the equation to another. A bit like an underbrace, but with an arrow. How can I do this?
15
votes
4answers
5k views

Calculator style base 10 notation in LaTeX

What is the best way to write something like 6.22E-21 in LaTeX, given that I don't want the numerals to be \tt, I do want the E to be small, and I may want the exponent to be negative (without the ...
13
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 - ...
20
votes
2answers
11k views

\xRightarrow (text)

I know it's possible to have \xrightarrow (text), but if I try to do \xRightarrow (text) I get an error each time. Does anybody know if it's a syntax error or if there is a other way to produce the ...
18
votes
3answers
11k 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 && ...
9
votes
1answer
2k views

Decimal Long Division

Does anyone know of a package or macro that handles decimal long division? For example, I want to convert 3/8 to a decimal and show all of the steps. I found a macro for longdiv that works great for ...
12
votes
4answers
3k views

How to edit the linear programming in LaTeX?

How to edit a linear programming as the following: Max z = x1 + 12x2 s.t. 3x1 + x2 + 12x3 ≤ 5 x1 + x3 ≤ 16 15x1 + x2 = 14 xj ≥ 0, j=1,2,3. I want the format to be ...
12
votes
2answers
2k views

Oversized \underbrace's label causes unwanted spacing

Consider this: \left( x-1 \right) \underbrace{ \left( ? \right) }_{ \text{what is this?} } The label is longer than the braced portion, which causes unwanted space between the parentheses. Is ...
11
votes
2answers
956 views

Defining scalable “white curly brackets” {| and |} (⦃ and ⦄)

I would like to construct what Unicode calls "white curly brackets" that are in addition scalable. They look like ⦃ (≈{|) and ⦄ (≈|}) and have Unicode codepoints U+2983 and U+2984. unicode-math has ...
11
votes
1answer
2k 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 ...
10
votes
2answers
7k views

How to make math font huge

I would like to typeset a simple-to-medium-difficulty math formula on an A4/letter paper. It needs to be huge and preferably centered and portrait. I can take care of the paper size, the orientation ...
7
votes
5answers
3k views

How do you put multiple things under a limit?

I'm reading about inverse limits, and the notation sometimes requires some sort of index or set over which to take the inverse limit. It looks something like this: How would I correctly TeX that? I ...
14
votes
4answers
10k views

Diagonal dots spanning multiple lines/columns of a matrix

I'm filling in large sparse matrices, for example \begin{bmatrix} 0 & -2 & 1 & & -1 & 2 \\ 2 & \ddots & \ddots & \ddots & & -1 \\ ...
13
votes
5answers
2k 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
4k views

How can I position equation numbers always to the left side?

Equations and amsmath environments put equation numbers to the right side by default, the output of \begin{multline} some equation \end{multline} is: equation (number) How can I change it this ...
11
votes
3answers
625 views

The line produced by \not looks bad on wider symbols

When using \not together with wider symbols such as \Leftrightarrow the diagonal line produced by \not is placed too far to the left. How can the line be properly aligned? For example the following ...
10
votes
6answers
1k views

A \boxed alternative with nicer spacing?

I like using \boxed to emphasize my answers in homework problem sets. However, whenever I use superscripts/exponents inside the box, the box becomes taller than it seems it should. This causes two ...
7
votes
7answers
3k views

frown and mathop/stackrel/overset

I need something like \stackrel{\frown}{MM'} to express the fact that MM' is some path. But I am not really satisfied by the look of the result. The \frown is too high. Would you please have a ...
3
votes
1answer
5k views

“!Missing $ inserted” error using amsmath environments

I am trying to compile a document with equations but whenever I use \begin{eqnarray}..\end{eqnarray} or \begin{align}...\end{align} or anything like this I get the error msg !Missing $ ...
3
votes
2answers
687 views

Stealth arrow in math?

Is there an easy way to produce stealth style arrows in normal math mode? By "stealth" I'm thinking of TikZ stealth arrowhead. Something like \rightarrowstealth? The question originates from a limit ...
7
votes
2answers
349 views

Fractions with large elements

What is best practice for typesetting fractions with large objects in the numerator and denominator? For example, fractions with limits, integrals, summations, etc... cause the expressions to look ...
6
votes
2answers
430 views

How can I draw a dot under a symbol in math mode?

I'm trying to find the equivalent to \d (or \textsubdot) for the math mode.
4
votes
1answer
342 views

Typing Following notation in Latex [duplicate]

I need to generate following notation in LaTeX. It's used in differential geometry to denote vector fields. I can't find documentation and detexify is not helpful either.
3
votes
1answer
370 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 ...
54
votes
2answers
13k views

Using \colon or : in formulas?

I noticed that in many documents you encounter $f: X \to Y$ instead of $f \colon X \to Y$. Another example are quantified expressions: $\forall x: P (x)$ versus $\forall x \colon P(x)$. I find the ...
47
votes
4answers
2k views

How do I display pi in LaTeX like Don?

Way back in 1979, Donald Knuth, tried to give the feeling that π is irrational using the idea of infinite sequence of smaller and smaller font sizes like what I have tried to do here using HTML and ...
74
votes
3answers
25k 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 ...
28
votes
2answers
3k views

Drawing a hypergraph

What is the proper way to draw a hypergraph? Is there a package to do this, or is there an easy way to draw such diagrams with a common drawing method like tikz? I'm trying to draw something like
24
votes
3answers
19k views

Bold math: Automatic choice between \mathbf and \boldsymbol for Latin and Greek symbols?

This is a follow-up to this question. Suppose you want to denote vectors by upright bold letters; then \mathbf{u} works fine, except that if it's a Greek letter you have to use \boldsymbol{\omega} ...
10
votes
2answers
41k views

Dot notation for derivative of a vector [closed]

If I want to use the dot notation for the time derivative of a vector is better (more common) to put the dot over the vector, or the other way around \dot{\vec{v}} \vec{\dot{v}} The first says ...
33
votes
1answer
36k views

How to color math symbols?

One can use the command such as \textcolor[rgb]{1.00,0.00,0.00}{boundary} to color the word "boundary" in a document. Here is my question: How to color the math symbols in $$? For example, can one ...
19
votes
3answers
935 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 ...