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

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What's the difference between align and align*?

After some brief searching I can't find the difference between align and align*. Google summarily ignoring the * is making it harder I think. Can you tell me the difference between these two? ...
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3answers
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How to get the AMS mathbb font while using Palatino elsewhere

I'm a Latex user. I've been using Palatino for typesetting a piece mathematical text: \usepackage{mathpazo} \usepackage[scaled=.95]{helvet} \usepackage{courier} The results are good, however I don'...
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2answers
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Too small space when using \DeclareMathOperator

Currenlty I'm writing a math script (ring theory, PDF). When I need a new math operator I use \DeclareMathOperator from the amsopn-package. However I noticed some strange behaviour when using an ...
11
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3answers
956 views

Numbering a set of horizontally distributed equations

Having different horizontally distributed equations inside an align environment, only lines are numbered, but not individual equations. How can the left equations be numbered using subequations? ...
11
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2answers
2k views

$\VDash$ Symbol in AMS math packages?

I'm trying to typeset some homework that deals with set theory and in particular I'm trying to write the "model-theoretic" notion of forcing. I put model-theoretic in quotes because I don't know the ...
11
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3answers
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aligned environment of amsmath vs array environment

Today I found out the existence of the aligned environment of the amsmath package. However, I can't see the advantage of using it instead of the array environment from the example provided in amsldoc....
11
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2answers
358 views

Compute remaining horizontal space in align environment

I use align* often and sometimes it is preferable to add text to the right hand side of an equation instead of using \intertext, or \shortintertext, which tends to interrupt the math flow. This is ...
11
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1answer
15k views

Multiple labels in aligned environment

I would like to format an optimization problem by \documentclass{article} \usepackage{amsmath} \begin{document} We want to label each line separately. The inserted text and formulas have to be ...
11
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3answers
28k views

Using \gather and \align together

I'm very picky regarding alignment inside my proofs. What's frustrating me right now is that I have some lines that I want to be center-aligned (using \begin{gather}) and others that I wish to align ...
11
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2answers
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\mathrel conflict with \left,\right,\middle

I refer to this question and particularly to this answer. I defined \set by \usepackage{mathtools} ... \DeclarePairedDelimiterX\set[2]{\{}{\}}{#1 \mathrel{\delimsize|} #2} where \mathrel{\delimsize|...
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3answers
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Defining a command for amsmath's align environment

I'd like to define a shorthand command for \begin{align*} and \end{align*}. When I write \newcommand{\ba}{\begin{align*}} it works fine. But when I write \newcommand{\ea}{\end{align*}} ...
11
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3answers
208 views

Incorrect spacing after minus sign with combination of amsmath and hyperref

When no packages are loaded, no space is inserted after the minus sign of a negative number: \documentclass{article} \begin{document} \begin{equation} -1 = -1 % output: -1 = -1 \end{equation} \end{...
11
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1answer
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How can I make an overset symbol at the same size and height as \bar except with a different symbol?

Apologies for the cryptic title, but I was not sure how best to phrase the question in one sentence. I am essentially trying the create a vector symbol with \rightharpoonup as the top instead of the ...
11
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2answers
1k views

Custom alignment of columns in align environment

I need to typeset two columns of equations, each row typeset with an equation number to the right as with an ordinary equation. The first column must be centered, and the second column must be left-...
11
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4answers
602 views

Curved arrow describing a step in a mathematical derivation

Is it possible to achieve something like this in LaTeX? I want a curved arrrow pointing from 1st line to the other line and is coupled with an equation number which indicates the equation used. I ...
11
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1answer
7k views

Vertical spacing before and after equation environment: empty line or not?

The vertical spacing in front of and behind the amsmath equation environment is different whether I insert a blank line or not (im using KOMA-Script with parskip=half if this is important). I'd like ...
11
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1answer
1k views

Move QED symbol to the left, i.e. at the end of the sentence

I want to make the qed symbol at the end of a proof appear at the end of the last sentence, not at the far right of the same line. Would like to do this the simplest way possible. All I can find ...
11
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1answer
3k views

Referencing subequations with cleveref

I try to refer to the parent number of subequations with \cref from the cleveref package. However, I would like to change the output "eq. (...)" into "eqs. (...)" when I refer to parent numbers ...
11
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1answer
2k views

What is the advantage of using the equation environment in latex?

My flatmate uses \flalign for all of his equations in LaTeX and after thinking about it, it makes sense. Is the \equation environment not just more restrictive? Is there ever an advantage to using the ...
11
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1answer
10k views

Vertical space before and after align environment

I am wondering if it is possible in LaTeX to generally adjust the spacing before and after math in the align environment from amsmath. From the Mathmode-guide (by Herbert Voss) I gather that \...
11
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2answers
4k views

Lower overbrace in math environment

I would like to achieve the following inside an math environment But I can't get the text below the equation \operatorname{min} \left| \overbrace{\text{Hadamard product}}^{\begin{pmatrix} X \circ X ...
11
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2answers
212 views

How do I make “gather” object, place its self in the text, the same way as an equation object?

Assuming the amsmath package is installed. I found a difference between the way that an equation object and a gather object is embedded within the text. If an equation is beneath a line of text that ...
11
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2answers
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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} \usepackage{parskip}...
11
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1answer
743 views

showonlyrefs and cleveref

This question led to a new package: autonum I know that cleveref is not compatible with showonlyrefs as it says in the cleveref manual. But I have a book-length document that depends on ...
11
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1answer
2k views

unicode-math and amsmath incompatible

When I compile the following mwe with xelatex, I am told: ERROR: LaTeX Error: Command \dddot already defined. --- TeX said --- Or name \end... illegal, see p.192 of the manual. l.571 ...
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1answer
387 views

Compatibility between amsmath and exscale

Both the amsmath package and the exscale package define the delimiter macros \big, \Big, \bigg and \Bigg based on the internal macro \bBigg@. However, as the following minimal example reveals the ...
11
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2answers
655 views

How to do grid typesetting with amsmath?

Following the advice in the answer to this question, I did set a huge negative \lineskiplimit. However, it turned out that align got quite upset about this. So my question is: what would you ...
10
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4answers
270 views

How to vertically align each comma in the following 2 identical sequences?

The following output seems to be difficult to look up an item in the upper sequence with its corresponding item in the lower sequence as the commas are not vertically aligned. \documentclass[preview,...
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4answers
22k views

side-by-side equations, with equation numbers for each

The align command from amsmath allows me to put two equations side-by-side: \begin{align} x = y && a = b \end{align} Unfortunately for my purposes, this shows both equations under one ...
10
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3answers
682 views

Boxed equation with number

My minimum working example: \documentclass{report} \usepackage{amsmath} \begin{document} \begin{center} \boxed{K_{k+1}=P_ka_{k+1}^T(a_{k+1}P_ka_{k+1}^T+I_N)^{-1}} \end{center} \end{document} ...
10
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2answers
3k views

How to format Maxwell equations?

Is there a variant of split environment from amsmath package which would allow for two aligned equations in a row? I want to format two pairs of Maxwell equations in two rows and put single equation ...
10
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3answers
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How to put your symbol explanation for the formula?

I have a formula written in LaTeX. What is the best way to explain what the symbols mean in the formula? For example I have this equation with a where: symbol definitions \begin{equation} \sum_{i=0}^...
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4answers
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Highlighting equation with arrow

I want to create an equation with highlighting as shown bellow. But using following code: \documentclass[10pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \...
10
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3answers
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Centering in the \align* environment

I'm using the \align* environment from the amsmath package. How can I center one of the lines inside the environment? In the following example, I want to the \vdots to be centered, instead of ...
10
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2answers
196 views

Different symbols in $…$ and align environments

Is there a way to force LaTeX to produce different symbols either in $...$ or \begin{align}...\end{align} environments? For example $ \mymacro $ should lead to A while \begin{align} \mymacro ...
10
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2answers
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Force line break inside a \lim argument in align environment

Inside an align environment I have a \lim with two variables which should be displayed in two lines: \begin{align} ... f & = \lim _ {a \rightarrow -\infty \linebreak b \rightarrow \infty} ... \\ ....
10
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1answer
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Minimum length for \xrightarrow

I want to place text over arrows. The obvious choice is to use the amsmath command \xrightarrow{#1} However, sometimes the text above may be a single digit: %Example 1 \xrightarrow{1} other times ...
10
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3answers
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Underbrace in a matrix

I want to display the structure of a matrix as shown in the image below: Can this be done using pmatrix and \underbrace? My attempt at combining pmatrix and \underbrace results in a compile error. ...
10
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4answers
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Centering equations within alignat command

I want to centre the formula inside the equals. So far I have \begin{alignat*}{2} v_2(16)&=\frac{2}{5}[v_3(32)+v_3(8)] &&= 0, \\ v_2(4)&=\frac{2}{5}[v_3(8)+v_3(2)] &&= 1....
10
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1answer
51k views

using subequations

I have an equation consisting of two parts and would like to use subequation for that. Here's the code: \usepackage{amsmath} \begin{subequations} \begin{equation} \operatorname{min}_{a,b,c} \frac{1}...
10
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2answers
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overset text over equal sign in in an Align environment

Look at the following example \begin{align} & x \\ \overset{\text{some long explanation}}= & foo \\ & = bar \end{align} what is the best way to get the equal signs ...
10
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2answers
294 views

Math equation typeset problem

I would like typeset equation on the figure below. I have problem with subsript text 1, 2, 3 and 4 under integrals. I try something like this: \begin{align}\label{fyz:eq_fey_null2} \...
10
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1answer
587 views

Diagnosing the “too many math alphabets” error

I recently hit up against TeX's "too many math alphabets" error. I'm trying to diagnose what is using up my math alphabets, as I can't work out where they are going. Of course, I could just start ...
10
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4answers
451 views

Indices with German Umlaut ä - \mathrm{} or \text{}?

I'm wondering about the correct use of \mathrm{} and/or \text{} (or similar) in formulas. I've read these topics (and some more): Is there a preference of when to use \text and \mathrm? and ...
10
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2answers
474 views

Ignoring specific ampersand formatting on a specific line of an align block

I want to typeset a number of equations with some alignment constraints, but I want to partially ignore them on certain lines. An example formatted text might look like the following when it's ...
10
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1answer
422 views

Using \vtop affects indentation of \intertext

I am using the \iteminput macro from the solution at How to adjust macro to respect current \linewidth? to import content from other TeX files. However, this appears to be effecting the indentation ...
10
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1answer
2k views

eqref in captions with mathtools

I've now tried mathtools for the first time, for the sake of showonlyrefs. It works fine, except if I put an \eqref command into a figure caption, in which case I get: ! Argument of \@caption has an ...
10
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1answer
1k views

Aligning sub-equations within align

Update: How do I align both the \sum signs and the = signs in the last two equations? I have updated the picture. Original Question: When I use the following code: \begin{equation} \begin{split} ...
10
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3answers
149 views

How to get limits aligned?

Assume the following MWE/Screenshot. How to get the "limits" x and y correctly vertically aligned? I tried already: \mathstrut and \vphantom{g} as discussed in How to align limits of double integrals?...
10
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2answers
256 views

How to globally put subscripts in math-mode in upright font using amsmath?

I'm often apply the subscript environment in math-mode to assign e.g. materials to material properties, $\eta_{oil}$, $\lambda_{air}$, etc. Not very mathematical but hey, I'm an engineer ;-) I'm ...