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

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4
votes
2answers
114 views

Designing medcirc and circledtimes symbols

It would be great to use only \medcirc and \circledtimes from the pxfonts or to design the similar symbols by other techniques. The symbols from pxfonts are quite well but when I connect the ...
2
votes
1answer
79 views

tex4ht compile error using mathml switch using multline with pmatrix and easybmat

It took me a long time to find this and be able to make a MWE. I hope someone has an idea what is causing it and if there is a work around. This problem shows up in this small example, only when I use ...
3
votes
2answers
97 views

is it possible to add dashed lines between rows/column of pmatrix from amsmath?

I wish these packages from amsmath have more options! Is there a way to add a macro to add dashed lines between rows and columns for a matrix typeset using pmatrix? Similar to what is being asked ...
2
votes
4answers
148 views

How to modify eqnarray?

I'm currently writing a maths undergrad dissertation using Texmaker, and when I use eqnarray. It keeps justifying all of the equations to the right but still in the center? How do I change this so ...
6
votes
3answers
189 views

align* not aligning properly with \sqrt

Using this, everything is aligned properly: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align*} 16x^2&=144&\text{| }&\text{sqrt}\\ 4x&=12&\text{| ...
3
votes
1answer
90 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
52 views

Common numbering for theorems and definitions

I use the amsmath environment and I put the following code in the preamble: \theoremstyle{plain} \newtheorem{thm}{Theorem}[section] \newtheorem{lem}[thm]{Lemma} \newtheorem{cor}{Corollary}[section] ...
1
vote
1answer
100 views

The meaning of $\rightsquigarrow$? [closed]

Perhaps this is not the good place to ask this question. In order to write a scientific paper, I would like to use the symbol $\rightsquigarrow$ (works also with $\leadsto$ which has a clearer ...
6
votes
1answer
109 views

How can I split and align this series of equations?

I know this is an issue that comes up frequently, but I keep running into issues using all the suggested examples (breqn, amsmath; split, align, etc). Here's what I have: ...
4
votes
3answers
71 views

How can I make a single-aligned row under two double-aligned rows in an equation?

I have an equation that I would like to align like this (the x is actually \times): A = BBBBB CCCCCCC x DDDDD = EEEEEEE FFFFF I have tried the align environment, align with nested ...
2
votes
1answer
142 views

To have a question mark over an arrow [duplicate]

I want to have a question mark over the arrow "\to". I cannot use "\limits^{?}" command because "\to" is not a mathematical operator. How can you have a question mark over the arrow?
3
votes
2answers
55 views

raggedleft (right-aligned) entries in pmatrix? [duplicate]

I'm using pmatrix from amsmath package and would like the output to align all entries in the same column to be align on the right hand side, as shown here in the code: \[ \begin{pmatrix} -1 & ...
5
votes
4answers
117 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
votes
1answer
207 views

Using \left( & \right) around amsmath's align delimiter (“&”)

I want to align equations (using the align environment from the amsmath package) inside matching \left( and \right) commands. For example: \documentclass[a4paper,12pt]{article} \usepackage{amsmath} ...
-1
votes
1answer
192 views

How do I write this mathematical equation?

I want to write the shown mathematical equation in LaTeX but I am getting an error. Here this is not eta but it is n. The code which I am writing is \begin{equation} \Delta {E} + \frac{\omega^2 ...
3
votes
1answer
78 views

Vertically aligned equation number with underbrace

I would like to vertically aling an equation number for the following MWE: \documentclass{scrartcl} \usepackage{amsmath} \usepackage{mathtools} \begin{document} \begin{align} \begin{aligned} a ...
9
votes
2answers
207 views

Cleveref: Parentheses around references to subequations using \labelcref

Using the Cleveref package (v0.19) i have a problem with missing parentheses when referencing to subequations, using the \labelcref command. Here is a MWE: \documentclass{article} ...
5
votes
2answers
145 views

Extend box around equation to the entire line

My question is simple: I use \boxed from the amsmath package and so far so good. The single issue I have is that I use the boxed environment on its own line, but the box is only around the equation, ...
6
votes
2answers
132 views

Reference to subequation forces serif font; how to work around?

I'm using the subequations environment in a book in which some text is in sans serif font. When I have a reference to a subequation, the reference comes out in a serif font, even if the surrounding ...
4
votes
2answers
210 views

How to reduce the size of fractions typed in align environment?

When digit fractions align environment, this goes with a size \displaystyle. But I want the size is like the one shown in a paragraph. I tried with \scriptstyle but I get letters too small and the ...
1
vote
1answer
112 views

Why isn't eqref working?

I am trying to use \eqref as in the following, but instead of (1), I get a set of blank parentheses as the result. Could anyone help me fix the problem? \documentclass[10pt]{article} ...
3
votes
2answers
82 views

Aligning several \begin{align} blocks in LaTeX [duplicate]

Just a quick question regarding aligning equations in LaTeX. Basically, this is a snippet of my source code: \begin{align*} dU&=\partial Q - \partial W \\ \partial Q &= dU + \partial W ...
4
votes
1answer
88 views

`split` not working with self-defined command

I have defined a handy little macro to typeset matrix elements in braket-notation and now want to align the next line to a part of this matrix element, because the equations are really long and ...
4
votes
1answer
62 views

How to get a bigger bracket? I have tried \left and \right

I have the following code. The problem is the outer brackets are the same size as the inner bracket so it doesn't look that nice. I have tried \left and \right and it doesn't make a difference. The ...
12
votes
3answers
344 views

Displaymath environment that can align equations and squeezes math

I have a long equation to align. Without squeezing the math, it is just barely longer than \textwidth. However, the align environment doesn't squeeze the math at all, which results in a badbox. ...
4
votes
2answers
226 views

Help me input a column vector

I'm trying to input an arrow vector (a column vector, see the picture) in an align environment, but it reports an error. Can someone show me the TeX code of it in an align environment?
5
votes
1answer
449 views

\atop vs. \substack for multiple lines under a sum

I did a search trying to find out how one can typeset multiple lines under a sum and found out that there is the possibility to use \atop or \substack together with a remark that one shouldn't use ...
7
votes
1answer
112 views

problem on the parentheses direction in equations

I recently installed a MacTex version and I faced a problem with the direction of parentheses both in the enumeration and the text reference using \eqref. I use XeLaTeX to compile the tex files. Since ...
3
votes
1answer
100 views

Mathsymbol in the documentclass memoir

I write a thesis with \documentclass{memoir} and included the ams packages by usepackage{amsmath,amssymb,amsfonts,mathrsfs,datetime} However there is the difference in using bolt math sign. Here ...
13
votes
2answers
501 views

Long Dashed Right Arrow

Is there a \dashrightarrow equivalent of: \xrightarrow{\hspace*{4mm}} or \longrightarrow or a similar way to fudge it?
1
vote
0answers
124 views

\to or \longrightarrow and \mapsto or \longrightarrow in functions? [closed]

I'm typing up a research project and I am not sure which ones I should use when I'm defining functions. I personally prefer \longrightarrow and \longmapsto but I see a lot of people use \to and ...
9
votes
3answers
420 views

To write this norm equation better?

I have this norm \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation} \lVert f \rVert_{L_{2}(\Omega)} = \text{sup}_{ \begin{cases} v \in L_{2}(\Omega) \\ v \not= 0 ...
8
votes
2answers
106 views

Please help me input the following formula correctly

This is the formula I want to be made in LaTeX. The problem is to make this formula aligned. I've made something like this \begin{gather} 1 = \cos \, (\bar x, \bar x) = \cos^2 \, (\bar x, x) + ...
4
votes
1answer
157 views

Widetilde and prime (derivative) position

I need to write something like {\widetilde f}' in my text, but the result looks rather ugly since the prime (derivative) sign is too low. It looks like \widetilde{f'}. Is there any way to do this ...
4
votes
1answer
164 views

Aligning piecewise functions and function definition maths

I am unsure how to align the following so that \mathbb{N} is aligned with the n in f(n). I have tried \begin{align*} but that just gave me a bunch of errors. Any help will be much appreciated! It ...
5
votes
2answers
82 views

How to format a multi-line statement with a label

I am trying to format a multi-line statement with a label. \documentclass{article} \usepackage{amsmath} \usepackage[showframe,pass]{geometry} \begin{document} Let $P(n)$ denote the statement that ...
4
votes
1answer
159 views

To have script-like S for Schwartz space

I want this symbol My tex \documentclass{article} \usepackage{mathrsfs} % for \mathscr{S} \usepackage{amsmath, amsfonts, amssymb, textcomp} \usepackage[T4, OT1]{fontenc} ...
3
votes
1answer
299 views

How to make the equations at the center

(I'm using LyX). When I'm writing multiline equations, with \aligned the align of the equations is right, how can I make it to be center? For example: Here how it looks when I writing at math ...
3
votes
1answer
42 views

To align line of 3 units equispaced

My tex \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align} x(\alpha) = \lim_{x \to a^{+}} x(t) & \text{ and } & x(\beta) = \lim_{x \to \beta^{-}} x(t) &. ...
5
votes
1answer
53 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? ...
4
votes
1answer
109 views

smartref package: Problems when referencing from math mode \text{}

I'm getting errors when using smartref's \sectionref command (or similar) from inside amsmath's \text{...} environment inside math mode. MWE: \documentclass{article} \usepackage{amsmath} ...
5
votes
1answer
379 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. ...
8
votes
3answers
200 views

Control the alignment of each “cell” in amsmath's aligned environment

In amsmath's aligned environment, the alignment of each "cell", or each "column" is predetermined, and seems to work in the following way: the first "column" is aligned to the right, the second to the ...
5
votes
2answers
97 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}) - ...
4
votes
2answers
408 views

Maths, functions in latex, really basic

I am trying to code the following; f:X->Y   x|->f(x) where -> is \longrightarrow and |-> is \longmapsto. However, my problem is that I am unable to get the x directly underneath the X. ...
2
votes
2answers
203 views

File ended while scanning use of \\definition

LaTeX noob here. Basically I get the following message in sharetex: main.tex: File ended while scanning use of \\definition. <inserted text> \par <*> main.tex I suspect you have ...
7
votes
2answers
225 views

Color fraction bar

What would be the easiest way to create a fraction whose bar can be coloured as desired? I know one can use the \genfrac{left-delim}{right-delim}{thickness}{mathstyle}{numerator}{denominator} command ...
1
vote
1answer
113 views

IEEEeqnarray: \tag-like command?

Is there a IEEEtrantools command equivalent to amsmath's \tag? Example: Consider the well-known functor laws: \begin{IEEEeqnarray}{rCl} F(f \circ g) &=& F(f) \circ F(g) \tag{Fu1} \\ F(id) ...
3
votes
3answers
113 views

Changing theorem number systems mid document

I have a numbering system setup for most of my document using: \newtheorem{theorem}{Theorem}[section] \newtheorem{lemma}[theorem]{Lemma} \newtheorem{corollary}[theorem]{Corollary} Which produces ...
2
votes
1answer
64 views

How to combine thmmarks with addtag for \[\]?

I have the problem, that I have quite a few equations in my text. As I am oftenly unsure if I will need them later as a reference, I searched for a way to avoid exchanging \[...\] with and equation ...