{amsmath} is a package provided by AMS that enhances LaTeX's mathematical typesetting capabilities in various ways.

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2answers
153 views

Number of Equation: 1, 1a, 1b

Following Problem: I have a PDE and two boundary conditions what i actually want is: PDE (1) BC1 (1a) BC2 (1b) and what i have is: PDE (1) BC1 (2a) BC2 (2b) is there something which provides a ...
5
votes
1answer
76 views

Missing $ inserted error when using \frac inside subequations environment?

Here's a MNWE (minimum not working example): \documentclass[12pt,letterpaper]{article} \usepackage{amsmath} \usepackage{amsthm} \usepackage{amsfonts} \usepackage{amssymb} \begin{document} ...
5
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1answer
77 views

How can I align the first row of these equations?

\documentclass[ngerman]{scrartcl} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage{babel} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \begin{document} ...
5
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1answer
157 views

Why can't split with curly-brace be inside align but it can be inside gather?

The following code snippet will guide you through the issue chronologically. \documentclass[preview,border=12pt,12pt]{standalone} \usepackage{mathtools} \begin{document} \section*{gather+aligned} ...
5
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2answers
197 views

Add equation name besides equation number (so that \eqref inserts only the number)

I am trying to add equation names besides the equation numbers but, in addition, in such a way that \eqref inserts just the number. Inspired by the top answer in Add equation name underneath equation ...
5
votes
4answers
124 views

Multiple alignment points in equations and no curly brackets for correcting spacing

Consider the following example: \documentclass{article} \usepackage{amsmath} \usepackage{siunitx} \begin{document} \begin{alignat*}{5} &\text{Honning:}\qquad ...
5
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1answer
1k views

`missing $ inserted` Error when not putting $ before and after array environment

Considering this answer I added $ before and after the array, i. e. before \begin{array} and after \end{array} in the following code. Then the former missing $ inserted Error was gone. ...
5
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1answer
129 views

Automatic way to match matrix heights

I have a simple matrix equation, but one of the matrices has subscripts and superscripts on both lines: \documentclass{article} \usepackage{lmodern} \usepackage[T1]{fontenc} ...
5
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1answer
117 views

How to get proper spacing when typesetting an expression such as $f\left(\frac{y}{2}\right)

I am trying to typeset the value of a function $f$ for $x = \frac{y}{2}$ (or something other which requires more vertical space). To get properly sized parentheses I tried: f\left(\frac{y}{2}\right) ...
5
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1answer
105 views

Horizontal alignment of long equations

I hope that the following question is not a duplicate but I could not find a definite answer. I'm trying to obtain the the same result as Formula (1) in the picture next, but I feel that my approach ...
5
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3answers
321 views

Conflict between amsmath and ntheorem, or, how I fell into an infinite troubleshooting loop

There are similar questions on this site, but nothing quite fixed this problem for me. When using amsmath with ntheorem I get either a missing end of theorem symbol (when my theorem ends with an ...
5
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2answers
692 views

LuaLaTeX AMS-Typesetting bug with sum\limits under sqrt

it looks as if there is a bug in math-typeseeting with lualatex using ams. An minimum example showing this is \documentclass[12pt]{report} \usepackage{amsmath} \begin{document} This looks OK, but ...
5
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1answer
3k views

Bad math environment delimiter: ntheorem with thmmarks, Display math and split

Using a combination of \usepackage[amsmath,thmmarks]{ntheorem}, display math enclosed in \[ \] and a \begin{split} environment inside it, pdflatex freaks out completely: ! LaTeX Error: Bad math ...
5
votes
1answer
211 views

Can anyone explain why setting \lineskiplimit breaks align?

OK, so this is a follow-up to one of my previous questions: If you uncomment the \lineskiplimit line, LaTeX goes crazy. Why? Does anyone have an idea how to fix it (without manually changing ...
5
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1answer
149 views

Centering item along several nodes in bmatrix

How can I position X exactly in the middle of space between a and d column? \documentclass{article} \usepackage{amsmath} \begin{document} \[ \begin{bmatrix} a & b & c & d & e \\ ...
5
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2answers
675 views

Theorem environment - centered line

\begin{theorem} Let apples be fruits and let tomatos be a veg. Then the following is true: \centerline{apples are veg} \end{theorem} I just read that one shouldn't use centerline because it's TeX ...
5
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1answer
662 views

Use displaymath shorthand \[ \] for align and other amsmath environments

This question is closely related to this one: Using the displaymath shorthand \[ \] for equation or align instead. I use Multimarkdown (MMD) to generate my LaTeX documents. MMD uses the escape ...
5
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1answer
2k views

How to change the way theorems are displayed with LyX?

The theorems are currently all displayed in bold, but I would like to display them in small-caps. My question is much like this one. However, I am using LyX with an AMS style document class, and was ...
5
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1answer
608 views

How to write centered multi-line conclusion in inference rule?

I'm using the semantic package to write inference rules and I have trouble with the following: \usepackage[inference]{semantic} \usepackage{amsmath} \begin{equation} \inference{ expr }{ ...
5
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1answer
125 views

Show integration limits above & below the integral

Well considering this code, the "E" is shown after the integral: \begin{equation} m = \iiint_E \rho \ \mathrm{d}V \end{equation} The limit is shown slightly behind the number, how can I place it in ...
5
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1answer
58 views

Align after \therefore

If I place my alignment ampersand after a therefore symbol (from amssymb), the proper spacing between the therefore and the rest of the equation is lost. Is there a way to prevent this from happening? ...
5
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2answers
112 views

How can I DeclareMathOperator* with spacing after it, preserving the alignment?

In the context of optimization problems, I'm using \usepackage{amsmath} \DeclareMathOperator*{\minimize}{\text{minimize}} \DeclareMathOperator*{\subjto}{\text{subject to}} to declare some operators ...
5
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2answers
72 views

How to make \dots from amsmath and ellipsis work together

The amsmath package changes the \dots command to have different vertical alignment depending on context (I'm not sure if it does anything else to it). The ellipsis package changes the \dots command to ...
5
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2answers
108 views

How to create a math environment with one row on one side, and two on the other?

I have the following math equations: \begin{align*} &\mathcal{H} = \mathcal{H}^{(0)} + \mathcal{H}^{(1)} \\ &\mathcal{H}^{(0)} = -\frac{\hbar^2}{2m}(\nabla_{1}^{2} + \nabla_{2}^{2}) - ...
5
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1answer
164 views

Amsmath and tikz - conflict?

I have a problem with: \documentclass{minimal} \usepackage[T1]{fontenc} \usepackage[french]{babel} \usepackage{amsmath} \usepackage{tikz} \begin{document} \pgfmathparse{ifthenelse(1<0, ...
5
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1answer
2k views

Amsart: footnote for the author

Assume the following code: \usepackage{amssymb} \usepackage{graphicx} % if you want to include graphics files \usepackage{amsmath} \usepackage{amsthm}\begin{document} ...
5
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2answers
937 views

Aligned multline

I want to show the derivation of a formula where I encounter long formulae. Unfortunately the derivation is very complex, so I have to show some intermediate steps. My problem is, that I want to mix ...
5
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1answer
813 views

using \marginnote inside a math environment in tufte-book

I've recently started using tufte-book for typesetting solutions to math problems. I like it very much that you're encouraged to use the margin, which is very nice for giving hints, pointers and ...
5
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1answer
281 views

The font of operator names: the size

A while ago, I asked what was the correct way of changing the font used to set operator names. I stabilized at: \DeclareSymbolFont{sfoperators}{OT1}{cmss}{m}{n} ...
5
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1answer
1k views

\listoffigures chokes on inline math delimiters in captions. What is going on?

I'm working on my thesis, and I've realized that, any time I try to use \( \)-type inline delimiters in captions, that pdflatex breaks. While I can weasel out of actually \needing\ math in my ...
5
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1answer
159 views

LuaLaTeX - Linux libertine (math and pgfplots)

I have some problems using Linux libertine font within equations or pgfplots and tried this answer but it doesn't work. \documentclass{article} \usepackage{fontspec} \usepackage{pgfplots} ...
5
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1answer
73 views

AMSMath \implies and a superscript symbol

I would like to have a superscript symbol attached to the implies-arrow, i.e., something like that \[ \implies^f \] However, this does not work. A similar question was asked here: question But ...
5
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1answer
60 views

Using a macro with ifx inside of a bmatrix

The following code does not compile if I don't have the extra braces around the entries of the matrix, and I don't know why. Can I modify \switcher to obviate the need for these extra braces? ...
5
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1answer
297 views

Sequential equation numbering when using 'report' class [duplicate]

I would like to use sequential equation numbering but I am using the report class which defaults to numbering equations within chapters. I would really appreciate if someone could help me with this.
5
votes
1answer
92 views

Changing the size of the braces from the cases environment

I have created the following picture using the cases environment. For this picture I have two questions. 1) I would like to limit the size of the braces created by the cases environment to ...
5
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1answer
315 views

Annotated equations

I need many of my equations to have annotations stating their domain of validity, or certain conditions for which the equation is true. Preferably, these would be flush right against the equation ...
5
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1answer
78 views

But why are the two sets of absolute parentheses different sizes?

Silly question maybe - but why are the two sets of absolute different sizes? Is there an easy way to set the size locally - or globally? \documentclass{article} \usepackage{amsmath} ...
5
votes
1answer
474 views

font name with a space, using XeLaTeX and fontspec

I use XeLaTeX, amsmath, fontspec, unicode-math and standalone to create a pdf containing one single equation which I then import to Inkscape for a poster. When using font names with a space in it, ...
5
votes
1answer
270 views

Unicode math with amsmath, new error

After applying the most recent ctan updates, the following MWE does not compile with lualuatex. There is an error given ending with \cs_set_nopar:Npx that I can't make sense of. ...
5
votes
1answer
304 views

Access every cell of amsmath's align environment

I'd like to create an environment that basically behaves like amsmath's (v. 2.13) align environment, i.e. line numbering, \label, \tag, \intertext ... are available. Since I don't want to reinvent ...
5
votes
1answer
796 views

How to redefine \label command in align environment

I have a problem with the redefinition of \label inside of the align environment. The goal is to allow a different behavior of the label command inside of the align environment than outside of it ...
5
votes
2answers
542 views

pmatrix without changing font size

In Plain TeX with the amstex package, is there a way to tell \pmatrix to NOT change font size? E.g. when I do: \sum_{\pmatrix a \\ b \\ c \endpmatrix} I end up having to insert \scriptstyle three ...
5
votes
1answer
561 views

AMSsymb in ConTeXt

Where can I find some of the functionality, namely the symbols, from the LaTeX package AMSSymb in ConTeXt? For example, how do I place a \blacksquare? Is there an equivalent in ConTeXt? I didn't find ...
5
votes
1answer
78 views

Nested parenthesis automatic indentation in equation

Here is some code that produces a display equation with nested parentheses indented to different depths. \documentclass{amsart} \begin{document} \begin{align*} (\exists d) &\biggl( ...
5
votes
2answers
195 views

How to redefine the colon-symbol with unicode-math (spacing problem)

I want to change the usual role of : and \colon. Consider the following code \documentclass{scrreprt} \usepackage{amsmath} \usepackage{unicode-math} %\unimathsetup{colon=literal} ...
5
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1answer
185 views

Trouble creating properly aligned matrix within a matrix

I'm trying to insert parentheses around a group of elements creating a matrix within a larger matrix. So far I have this: \begin{equation} \begin{bmatrix} \begin{matrix} 0 & 0 \\ 0 & \omega_0 ...
5
votes
1answer
2k views

\alert within align in Beamer

I am trying to use alert within the AMS-math align environment, so that sets of equations uncover sequentially and are highlighted. I would expect something like this to work: \begin{align} ...
5
votes
1answer
630 views

Automatic linebreak in align environment in macros

I have given a selfdefined command like \newcommand{\AND}[2]{\left(#1 \vee #2 \right)} which makes sure that I always give the correct number of parameters to my formula and which handles the ...
5
votes
1answer
331 views

Changing the vertical alignment of `multlined` from the mathtools package

Package mathtools provides the vertical alignments top, center, and bottom: \documentclass{report} \usepackage{amsmath} \usepackage{mathtools} \begin{document} \makeatletter ...
5
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0answers
79 views

Is using DeclareMathOperator for functions the right thing to do? [duplicate]

I'm wondering if I use the \DeclareMathOperator for the wrong things. For example I have a cost function cost(x,y) which takes two arguments. I would declare it as \DeclareMathOperator*{\cost}{cost} ...