{align} is an environment provided by math packages that permits multiple related equations to be aligned at a common reference point, usually a sign of relation. For general questions about aligning document elements, use {horizontal-alignment} or {vertical-alignment} instead.

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math equation with underline has different heights

I struggle with some equations in my research paper. I want to underline some variable, because they are complex, but if I use \underline the line is not at the same level in my example: ...
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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 ...
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Spacing of \multline inside align (i.e. \multlined)

Related with How can I use multline within an align environment?. Consider this document: \documentclass{minimal} \usepackage{amsmath,mathtools} \begin{document} \begin{align*} & ...
8
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182 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 ...
8
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478 views

Revtex's tensor macro interferes with nested amsmath split and align environments

I've encountered a strange collision between RevTeX and AMSLaTeX. If I nest a split environment inside an align environment, it works as it should, but then the next time I use the RevTeX \tensor{} ...
8
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543 views

Spurious horizontal space in the aligned environment

If you compile what's below, you'll observe a slight horizontal misalignment between the equations of aligned versus align. Is there a way to avoid that? \documentclass[fleqn]{book} ...
8
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282 views

Align successive equations through the entire document

I am fairly new to TeX and need to create my math assignment with TeX. I have succeeded aligning all my calculations with the use of \begin{align*} and \intertext{}, however in my document i have ...
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3answers
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alignat makes 3 good alignments and 1 bad

I'm having a problem with the alignat environment. This code: \begin{alignat*}{9} &X_{12}&+X_{13}& & & & & & & &=1 ...
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Getting arguments underneath \min in an align environment

I am wondering how can I ensure that an argument gets placed underneath \min when I use an align environment. When I use math mode and write \[ min_{x_1,\dots x_T} \] the {x_1,\dots x_T} is ...
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Align in Substack

\sum_{\substack{n=1\\n\neq i}}^N Using \substack to add multiple lines as subscripts of a sum does not make them aligned on the equal / not equal symbol. I found some answers to this problem, like ...
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Aligning of equations within derivations

Okay, so I have the following derivation so far in my latex document: \documentclass[a4paper,oneside,11pt]{report} \usepackage[english]{babel} %francais, polish, spanish, ... ...
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2answers
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Highlight an equation within an align environment with color option

I'd really like to do exactly what's being asked for in this question: Highlight an equation within an align environment, but with the ability to change the color when I call it, so that I could have ...
7
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3answers
488 views

How to break long equations while keeping alignment?

I have the following long equations: \documentclass[]{article} \usepackage{amsmath} \begin{document} \begin{displaymath} \begin{aligned} (\chi_1|\chi_1) ...
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Equations and defining equation variables

I have a main equation that should be numbered and now I want to define the variables of the equations which may contain another set of equations. For example please have a look; code: \begin{align} ...
7
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459 views

Workaround for align without using amsmath

I'm preparing a manuscript for a journal that demands a style file (copernicus2.cls) that's not compatible with amsmath. I want to display some aligned equations, but the lack of amsmath means I can't ...
7
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3answers
322 views

How can I align this equation?

I want to align this equation. I tried \documentclass[12pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{fourier} ...
7
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2answers
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Why does aligning equations not work here?

\documentclass{minimal} \usepackage{amsmath} \newcommand*{\op}[1]{\operatorname{#1}} \begin{document} \begin{align*} \noalign{$\quad \op{f} * \op{r} = \op{c}_{\op{f}*\op{r}} (x_1,...,x_k) = ...
7
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371 views

How to stop fractions in display equations from running into each other?

Is there some standard way to create multiple display equations like the following without having to use: \renewcommand*{\arraystretch}{2} (so that the two rows in the second equation don't get ...
7
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2answers
683 views

How to split text within align

The text is too long and would like to split it in two: Any help please! \documentclass{article} \usepackage{amsmath} \begin{document} \begin{flalign*} \textit{K}^{k,r}_{j}& : \text{The ...
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Subequation aligning using matrix

When I use multiple matrix equations in subequation, I am doing it as in the code snippet. However, when I want to align the equations with respect to equal sign, = (commented in the code), I am ...
7
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1answer
374 views

Breaking lines in equations

I have an equation that is too long. It gets cut off, so I have tried to modify it with the split environment inside an equation environment: \begin{equation} \begin{split} & I_{ribbon} = ...
7
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2answers
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Combine itemize/enumerate list and align environment

I have 2 parts (i) and (ii) that I am trying to write out, but I can't seem to get the (i) and (ii) it look nicely, i.e. itemised. I tried using the \begin{enumerate} command but it doesnt seem to ...
7
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240 views

Why don't these functions align perfectly with uniform spacing?

Thanks for the help. I don't see why the functions aren't aligning perfectly with uniform spacing. \documentclass[11pt]{article} \begin{document} \DeclareMathOperator{\csch}{csch} ...
7
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3answers
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How can you draw a horizontal line inside an align environment?

I need to draw a horizontal line inside an align environment. E.g., in the following MWE, I need that a line separates the third row. \documentclass{article} \usepackage{amsmath} \begin{document} ...
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3answers
814 views

Aligning vdots with terms in a system of equations

I am attempting to write a system of linear equations that looks like this: A_{11}x_1 + A_{12}x_2 + \cdots + A_{1n}x_n = y_1 A_{21}x_1 + A_{22}x_2 + \cdots + A_{2n}x_n = y_2 \vdots \vdots ...
7
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168 views

Align mathematics equation in a box

I have the following code of maths equation in a box : \begin{framed} \begin{align*} &C_\star \rightarrow E_\star : &x=3\dfrac{5\phi^2+24\phi+12v+24}{\phi^2}, ...
7
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167 views

Check if in an align* environment

I want to use different styles of matrices if TeX is in an align* environment or in a normal math environment. I already found a solution for checking if it is in math mode (\ifmmode) but not ...
7
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2answers
787 views

right align in align environment

I use a align* environment and on one line I have a very long equation which does not contain into a line. Thus for this line I would like to have the same behavior as a multline environment, that is ...
7
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3answers
315 views

Center a column in align

I have the following type of code in my document: \begin{align*} (-m)+m & \stackrel{\mathrm{Ax 1.1 (i)}}{=} m+(-m)\\ &\stackrel{\mathrm{Ax 1.4}}{=} 0 \\ I want to align on the = ...
7
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1answer
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Tikz multiline node with center align [duplicate]

I have a problem with nodes in scheme. I need type a node where will be text "Banka melovskych filtru". Each word on a special line with center align.
7
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2answers
256 views

Evenly spacing aligned matrices with different elements

I have 8 vectors that I display as bmatrix in an align environment as follows: But as you can see, the first vector is slightly thinner, making the rest unaligned aswell. How can I make the first ...
7
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1answer
849 views

How do I draw a circle around a term in an align* equation?

Here's what my equation looks like; it's in an align* environment: I want to put a circle around $\varepsilon \frac{dL}{d\varepsilon}$ and everything else unchanged. Q: How do I draw a circle ...
7
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1answer
306 views

Arabic with Latin mathematical notation

I would like to write math formulas to look like the picture below: I have the following segement of code, for example \documentclass[10pt,a4paper]{report} \usepackage{amsthm} ...
7
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3answers
240 views

How to horizontally align rotated text in a table?

I am trying to horizontally align text that has been rotated in a table. I want the rotated "Lorem Ipsum" and the rotated "Lorem Ipsum & Lorem Ipsum" text to be horizontally centered in the cell. ...
7
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2answers
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Align equations with conditions

I am using the following equation with boundary conditions, I would like to position the equation centrally aligned and would like to keep the boundary condition to the right. But the equation is a ...
7
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89 views

Whitespace around characters

I need to wrap some of the characters with whitespace so that the terms align correctly $\begin{align*} x = 1 + 2 + 3 + 4 + \cdots + n \\ x = n + (n-1) + (n-2) + (n-3)+\cdots+ 1\\ \cline{1-2} 2x = ...
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100 views

Cases alignment and displaystyle for all environments

please consider following "minimal" code: \documentclass{article} \usepackage{amsmath}% http://ctan.org/pkg/amsmath \begin{document}\begin{align*} (p's_y)(z)&=(ps_xs_y)(z)=\\ ...
7
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2answers
111 views

How to get a nice alignat of this equation?

I want to align this equation. I tried \documentclass{article} \usepackage{amsmath} \begin{document} \begin{alignat*}{2} A\cdot \left(A^{n-1}+A^{n-2}\cdot B + \cdots + B^{n-1} \right)&=& ...
7
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1answer
169 views

Formula label outside of formula

I want to label a block of equations like that: The "AB" should not inflict the central alignment of the formula. I saw it a lot, but do not succeed on my own. Do I need to build boxes? I used the ...
7
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1answer
656 views

Scaling down all the equations using one single command?

I am about to submit an article with lots of equations in there (defined in both equation and align environments and I also have lots of inline math of course). There is a maximum page limit for the ...
7
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4answers
184 views

Multiple alignments within align environment

My minimum working example: \documentclass{report} \usepackage{amsmath} \begin{document} \begin{align} \dot{x}_2 = \dot{x}_{2,0}&+\frac{\partial f_2(x_1)}{\partial x_1} \bigg|_{x_1=x_{1,0}} ...
7
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1answer
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Different space between \align and \equation

Why produce the align and the equation environment different space between the text. And what can I do, that it have the same? \documentclass{article} \usepackage{amsmath} \begin{document} Long ...
7
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1answer
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How many times is “align” processed?

Consider the following MWE which writes the word "Cat" to a file. \documentclass{article} \usepackage{amsmath} \begin{document} \newwrite\datei \immediate\openout\datei=Beispiel.txt \begin{align*} ...
7
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2answers
334 views

Passing an argument with the alignment operator (&) to a macro within another aligned environment

I am trying to write macros for quickly formatting matrices in math mode. Here is a simple, working example: \documentclass{article} \usepackage{amsmath} ...
7
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1answer
154 views

Problem with \index in align environment

Please compile the following MWE. As you will then see, the typesetting of $\mu^{\otimes\downarrow n}$ in the index is strange! \documentclass{article} \usepackage{amsmath} \usepackage{imakeidx} ...
7
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1answer
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More sophisticated page breaks within aligned equations

This is my current method of allowing page breaks between my aligned equations {\allowdisplaybreaks \begin{align*} left &= right1 \\ &= right2. \end{align*}} It works, but it doesn't ...
7
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How to justify steps (e.g., citing numbered equations) in a displayed chain of equations

I have a chain of equations in AMS align environment in LyX, and I want to cite numbered equations as justification for some of my steps in the chain (see the picture). I don't know if there's a ...
7
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1answer
176 views

Automatically reference a set of equations in align

Is there a way to automatically refer to a set of equations in an align environment? E.G. I would like this to read "From Eqs.(1-3), we can clearly see..." \documentclass{article} ...
7
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1answer
1k views

How to get width of equation

If I want to know the width of a text I use \settowidth{\MyLength}{bla}. Is there something similar for equations? More specifically I have \begin{align} a & b & c & d\\ c & d ...
7
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1answer
181 views

Box some equations inside align

I'm trying to make something like this: But I have just can't figure out how. I have tried with empheq and tikz, but I can't get it to work with only some boxes inside align. I have also tried with ...