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

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62 views

How to typeset a math proof in beamer that displays line by line

I'd like to display a step-by-step proof of a mathematics result. I want to have steps following other steps inside amsmath's align environment, except I want to \pause the slide after each line in ...
5
votes
3answers
102 views

Size of a vertical bar symbol

I am using stix fonts to type a formula containing bra-ket notations from quantum mechanics. I observe that the size of a vertical bar is either too small: \big\}\lvert\psi\rangle , or too ...
4
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1answer
41 views

Left justifying in \genfrac

Is there an easy way to left-justify the "numerator" and "denominator" in \genfrac? By default it centers the "numerator" and "denominator." I am using it for a custom \atop command, per suggestion ...
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2answers
157 views

How many LaTeX characters have Unicode equivalents, and which characters and mathematical character combinations cannot be represented by Unicode?

I would like to know how many LaTeX characters, including all the special math symbols, can be represented by Unicode. Would I be right to say, that nowadyas, LaTeX's strangths over Unicode are mainly ...
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5answers
510 views

How to format the case equation to look nicer?

I want to typeset the equation in my beamer frame: This is my solution and of course, it doesn't look well. And my code is : \[ \parbox[c][2cm]{2cm}{Attainable \\ GFlops/sec} = ...
1
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1answer
35 views

Is it possible to make a command within align* environment?

I'm making some math-mode macros, but some of them try to define new commands (to use as variables) within the align* math mode. I've isolated the problem to this MWE: \documentclass{article} ...
4
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1answer
138 views

Missing { and } inserted

pdflatex keeps complaining about braces but they are balanced. I read that some environments start math mode automatically, but I don't think I'm using them. Here is the code: ...
6
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1answer
117 views

Undesired spacing before \sqrt[n]{x}, proper way to fix?

This code \documentclass{article} \usepackage{amsmath} \begin{document} \[ J(\sqrt[n]{x}) \] \end{document} compiles into this: The spacing after the opening parentheses is ugly. What's the ...
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0answers
30 views

amsmath: When to use `equation` environment instead of `align`? [duplicate]

If one has only one equation in the align environment, that has basically the same effect as if one had used the equation environment. So, why should we ever use equation, given the greater ...
2
votes
3answers
81 views

Vspace after amsmath aligned equation gets ignored

In the following MWE: \documentclass{article} \usepackage{amsmath} \begin{document} $\begin{aligned} A &B C \\ D &E F \end{aligned}$ \\ \vspace{2in} Vspace gets ...
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0answers
27 views

Diagram of a variation of the middle third Cantor set [duplicate]

I would like to construct a diagram which is a variation of the middle third Cantor set as described by: Suppose we start off with the unit interval $[0,1]$; let us call it $A_0$. Next, remove the ...
3
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2answers
226 views

Multiple results for equation

How do I define a equation e.g. x +y that shall be true for e.g. <5 and >0 in one equation? I was thinking of using a large brace, but I can't find any example of how to achieve this.
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0answers
64 views

What does “\!\!” mean? [duplicate]

For example, in the mathematical notation of a quotient space given an equivalence relation \sim, the rendering of X/\sim is different from X/\!\!\sim. In the former, there is a gap between the slash ...
2
votes
1answer
121 views

Multiple \label's error in align environment

Here is the minimal not working example: \documentclass[12pt,letterpaper]{article} \usepackage{lmodern} \usepackage[T1]{fontenc} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} ...
3
votes
1answer
270 views

Is there any way to use \ceil and \floor functions, without installing the mathtools package?

I can not install the mathtools package. Is there any way to create the \ceil and \floor functions without this package?
2
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2answers
233 views

Wrong Math Symbols - epsilon, varrho

I'm using the AMSMATH package but I'm getting the wrong representations for the (standard) epsilon and the varrho symbols. I'm not doing anything special. \documentclass[letterpaper, 11pt, ...
2
votes
1answer
45 views

Create a copy of the subsections counter

I'm writing a mathematics paper with \documentclass{amsart}, and I would like my theorems, definitions, propositions, etc., to be numbered "like subsections", i.e., if a given theorem is the fourth in ...
4
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2answers
96 views

makeindex doesn't work

I have a file statuts.tex, and I would like to add indexes. Somebody says indexes belong to ams packages, so I did the following: \documentclass[12pt]{article} \usepackage{amsmath} ...
2
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0answers
61 views

Stop custom counter from incrementing twice in align* environment

This took me hours to track down, partially because I am fairly new to TeX. I want to understand why the custom counter eqpart in the following code fails to increment properly when using mathclap. ...
4
votes
2answers
81 views

Subsequential numeration of theorems and equations

I'm writing an essay in Latex and I want to do the following thing, which I'll explain with an example. Suppose that I have a theorem 1.1 and inside it I have to specify an equation. Is there a way in ...
3
votes
1answer
53 views

Best way to make text appear in equations

I know there are a few questions on this, but I've found conflicting ideas and just wanted to know what people thought was best. By inputting the following: \documentclass{report} ...
7
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1answer
91 views

Switching from equation to align changes horizontal width

I am puzzled by why changing from an equation environment to an align environment should change the horizontal width of my equation. Below I provide an example. Sorry, it is not a minimal working ...
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0answers
72 views

how do I make latex allow breaking a line whenever reaching line boundary [closed]

I started writing my HW in latex, I use an online latex editor+compiler. Sometimes, when I write long math expressions, the expressions exceed the right boundaries of the page. I've seen that it has ...
4
votes
2answers
203 views

How to get a vertical bar which is the exact size of the object?

I wish to use two vertical bars to sandwich a whole object: What I found is that (Failure 1) if I use usual \mid or \rvert or |, it is too small. (Failure 2) if I use usual \left| or ...
1
vote
2answers
70 views

{cases} does not work while amsmath package is used

I tried the following: $P_{ijt}^{bool}$: \begin{cases} 1 & \mbox{if } P_{ijt} > 0 \\ 0 & \mbox{else} \end{cases} \usepackage{amsmath} is in the beginning of the file. This should work ...
19
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2answers
188 views

amsmath matrix vs loading the array package

Here is an interesting interaction. Consider the example below. Whenever the array package is loaded, extra space appears on the right in the output. Any ideas as to why? ...
16
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5answers
18k views

Real number symbol (UTF-8: ℝ) in XeTeX

How can I get the 'real number' sign (something like \mathbb{R} with the amssymb package in LaTeX) in XeTeX?
3
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1answer
159 views

Lyx handling of \begin{align} and duplicate \tag with amsmath?

I am trying Lyx. I started Lyx and asked it to import this plain Latex file: \documentclass[12pt]{article}% \usepackage{amsmath} \begin{document} \begin{align} A &= B+C \tag{33}\\ D &= ...
1
vote
1answer
92 views

Elegant way to typeset labels for matrix coefficients [duplicate]

In The Econometrics of Financial Markets by Campbell, Lo and MacKinlay -- a beautifully typeset book -- I have found gorgeous cross correlation matrices of the style below. What is an elegant way ...
1
vote
3answers
133 views

How to get non italic greek symbols with ams packages?

I need to use the following packages: \documentclass[aip, apl, twocolumn, reprint]{revtex4-1} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{graphicx} ...
5
votes
2answers
444 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 ...
1
vote
2answers
212 views

Locally change font style from sfmath to amsmath

I am using the package sfmath. It is rather hard to explain why, but the reason should not matter for my question. If it is required I can try to explain why I need sfmath. Nevertheless, the main ...
3
votes
1answer
79 views

Change the font used by \text

The \text macro can be used to embed text fragments in math formulas. However, if one uses separate math and text fonts (e.g. because the text font does not support math), \text of course uses the ...
5
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2answers
108 views

To get one line of equation disregarded during the alignment process in align environment

Couldn't find any answer to this question on anywhere. I have this one particular solution in my hands, which helps only if the equation to be disregarded for alignment is the first or the last of the ...
5
votes
1answer
114 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( ...
13
votes
2answers
1k views

Center one equation of many in align?

I have the following align enviroment: \documentclass[12pt]{memoir} \usepackage{amsmath} \begin{document} Here we see \begin{align} \text{cat} &= \text{dog}\\ \text{dog} &= cute ...
4
votes
1answer
67 views

Multiple subsequent connected equations exceeding line length

How to break a number of equations like in the following example? \begin{align} \lambda \cdot \lambda \cdot \lambda \cdot \lambda \cdot \lambda \cdot \lambda\\ \beta \cdot \beta \cdot \beta ...
2
votes
1answer
113 views

Standard AMS-Sum Operator using MnSymbols?

Because a professor who reads one of the lectures I attend this term writes so slowly, I typeset a lecture script for that lecture in TeX. For the use of some symbols and for better underbrace ...
5
votes
4answers
148 views

Increase row height in align* cases environment

I'm trying to use cases to present some equations with fractions, and finding that the lines are too compressed to be easily read. Is there a way to increase both the spacing between lines and the ...
1
vote
1answer
69 views

Does the align environment provided by amsmath not enter math mode?

I asked a question earlier today, where I learned that the subequations environment provided by amsmath does not enter math mode: Missing $ inserted error when using \frac inside subequations ...
5
votes
1answer
204 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} ...
3
votes
5answers
95 views

Multi-line equation with split

I have the following problem: Obviously I want the = to be aligned and I need two lines for the equation following the third =. Also I'm not so sure whether I used the \big{[} and \big{]} commands ...
2
votes
3answers
209 views

How to define vectors when used in equation

So in short I want to have something that looks like this: So far I managed to get to the following output: with the code as follows: \documentclass[12pt, a4paper] {article} ...
2
votes
1answer
85 views

amsmath align* tampering with a counter of mine

\documentclass[a4paper]{report} \usepackage{amsmath,mathtools} \makeatletter \newcount\mw@shortcnt \mw@shortcnt=0 \newcommand{\short}[1]{% \global\advance\mw@shortcnt by +1% ...
2
votes
0answers
31 views

Correct typesetting of aligned (or multiline etc) equations after a pagebreak [duplicate]

I was writing a block of mathematical formulas using the align environment. While I was writing these aligned equations I reached a pagebreak and the whole block moved to the next page so it made me ...
0
votes
1answer
69 views

textit - undefined control sequence

I got a problem using \textit{}`. The error which occurs is "Undefined control sequence". It occurs in a formula. \texitit{P}_{int} = \int_{V^r} \textbf{\textit{P}}^{i+1} : ...
2
votes
3answers
223 views

Multi-Line Brackets

I can't seem to get the parenthesis to wrap around the RHS of the equality. I get the following error: Errors: ./review.tex:239: Extra }, or forgotten \right. [\end{split}] ./review.tex:239: Missing ...
4
votes
1answer
58 views

Amsmath double line equation alignment centered

I need an equation that consists of three parts (or one equation including 3 equations in total), it should look like this: My code for now gives me the following: So I would like to have the two ...
11
votes
3answers
4k views

Big forward slash in math

I have a equation in from of a=VERYBIGSTUFF / VERYBIGSTUFF And I would like to have a "verybig" forward slash in the middle of them. I dont like \frac mode, as I would like to have them ...
0
votes
1answer
54 views

Describing and referencing exercises in latex

I would be like reference the exercises have done such that it says Exercise 1 (Author [number], Chapter i, Exercise i.j ) \documentclass[a4paper, 11pt, notitlepage]{report} \usepackage{amsfonts} % ...