{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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3
votes
1answer
148 views

center align equation

I try to align a multiline equation, but im getting a large space. \documentclass{article} \usepackage[utf8]{inputenc} \usepackage{mathtools} \begin{document} \begin{align} AAAAAA &\, yyyyy ...
3
votes
1answer
41 views

How do I left indent my equation inside the align*?

I would like to left align my equation..... The sample code is given below. \documentclass[12pt,a4paper]{article} \usepackage{amsmath} \begin{document} \begin{align*} ...
2
votes
0answers
33 views

Issues with fractions and align [closed]

I'm really new to LaTeX, I only started last week and I'm having an issue with trying to align equations involving fractions. I want to align at the '=' but I am getting errors: ...
0
votes
1answer
443 views

how to add preface to table of contents?

I am trying to add a preface section to the table of contents, by using \addcontentsline{toc}{chapter}{Preface} This partially works. the preface is added, but without the page number for it (in ...
2
votes
1answer
176 views

Align text to left, equation in center

I want to write down some equations, with some commentary between the equations. However, the equations need to be aligned and I want the commentary to be aligned to the left. My code is: ...
0
votes
1answer
41 views

Problem with \newcommand{\nal}{\end{align*}} [duplicate]

Why do these newcommands result in error when used? \newcommand{\bal}{\begin{align*}} \newcommand{\nal}{\end{align*}}
5
votes
3answers
113 views

Tricky alignment within an equation with a case environment

I couldn't figure out how to do the following alignment: \begin{equation} \begin{aligned} \textrm{Row I:} \qquad & A = 1, \quad j = 1, 2, \ldots, N \\ \textrm{Row II:} \qquad & A = ...
6
votes
4answers
2k views

Alignment in matrix (bmatrix)

Here is a MWE: \documentclass[12pt,a4paper]{article} \usepackage{amsmath} \begin{document} The reparameterisation is \begin{equation} \label{eqn:linear_ssK3} \begin{matrix} s & = ...
3
votes
3answers
155 views

Aligning equations with left and right comment

I'd like to align multiple equations below each other such that the central operator is always centered, but have a column for commenting on the right and a column for \iff-arrows and ...
1
vote
4answers
100 views

Different alignment of separate \align environments

I made a document with two different align environments. \documentclass{scrartcl} \usepackage{amsmath} \usepackage{color} \usepackage{import} \usepackage{graphicx} \usepackage{wrapfig} ...
2
votes
4answers
218 views

split and align long equation

The following code is used to split a long in-equation. \begin{align} (\sum^n_{i,j=1}\frac{(S_{t})_{ij}\norm{W^T_{t+1}x_i-W^T_{t+1}x_j}_2^2}{2\norm{W^T_{t}x_i-W^T_{t}x_j}_2} - \nonumber \\ ...
8
votes
4answers
452 views

Alignment of table entries: the case of negative numbers

Assume that we have a table that has positive and negative entries. My question is simple: how can we have the number alignment to start from the actual number and not the negative (-) symbol? Let ...
1
vote
0answers
16 views

Horizontally align \vdots with equal signs in aligned environment [duplicate]

I have a number of equations aligned at the equal sign. I insert a line containing just \vdots to indicate a bunch of steps and then equations again. How I can make the \vdots align with the equal ...
2
votes
1answer
180 views

Horizontally aligning equations with overset text

Say that for example I have the following set of equations for which I want to use overset to clarify what equations are used: \documentclass{article} \usepackage{amsmath} \begin{document} ...
2
votes
1answer
1k views

Multiple line matrix equations

I am trying to fit a rather large matrix equation into a document, but it is so large that I cannot fit it onto a single line. Moving the end of the equation onto a new line appears to be the only way ...
1
vote
1answer
23 views

Alignment and line breaking in alignment environment

My MWE: \documentclass[]{report} \usepackage{amsmath} \begin{document} \begin{align} \dot{V} &=\, \frac{1}{\gamma_{2,1}}\sigma_{2,1} \dot{\sigma}_{2,1} + \frac{1}{\gamma_{2,2}}\sigma_{2,2} ...
6
votes
1answer
101 views

Multiple alignment in align environment

My MWE: \documentclass[]{report} \usepackage{amsmath} \begin{document} \begin{align} \dot{V} =&\, \frac{1}{\gamma_{2,1}}\sigma_{2,1} \dot{\sigma}_{2,1} + ...
-1
votes
2answers
91 views

Confusing missing $ [closed]

Can anyone help with this. I'm not sure at all what I'm doing wrong but i get an error Missing $ inserted. $ on the 2nd line with c)\ The rest of the text works fine and there are ...
0
votes
1answer
106 views

Justified alignment for equations

I am writing a IEEE journal paper full of equations and with center alignment the paper looks so messy. I needed to justified align at least those that are coming successively one after another. I ...
4
votes
1answer
76 views

Multiple indented sub-equations within an align environment

\documentclass{article} \usepackage{amsmath,amssymb} \begin{document} \begin{flalign} & E=MC^2 \\ \begin{flalign} & U = \frac{1}{2} + bh & V = \frac{1}{2} - bh & B=H \\ % want to ...
4
votes
2answers
108 views

How to align two equation arrays when combined with lateral braces

I want to have two equation arrays including lateral braces aligned properly. So far I got \documentclass[12pt]{article} \usepackage{amsmath} \begin{document} \begin{align} \overline{z}_k^{[m]} \sim ...
0
votes
0answers
24 views

An align environment for too many lines of equations [duplicate]

It seems that if I write too many lines of equation within an align environment after some text, that environment will not span more than one pages, and leave blank at the bottom half of the previous ...
2
votes
2answers
1k views

Left-aligned equations

My problems are: 1 the equations in the align environment should be left-aligned (not centered) 2 there should be no vertical space before the align environment \documentclass{scrbook} ...
3
votes
2answers
91 views

Split equation in an alignat object

I have a set of equations that I would like to align the start of the equations, the quantifiers, and in the case of equation 1, the + and = sign. There are two problems I have not been able to ...
2
votes
1answer
146 views

Align and boxed dont work together

When I try to input: \begin{eqnarray*} w(t) &=& \frac{1}{2}Cv^2(t)\\ \boxed{w(t) &=& \frac{1}{2}C \frac{q(t)^2}{C^2}}\\ w(t) &=& \frac{1}{2}\frac{q(t)^2}{C}\\ w(t) &=& ...
3
votes
1answer
65 views

how can I get the thicker x symbol like the following picture?

I try the \boldsymbol{\times}, but it doesn't look right.
0
votes
0answers
19 views

Using {align} for equations affecting titlespacing settings

I have adjusted the whitespace around my section headings by using the following code: \titleformat{\section}[display]{\color{black}\normalfont\sffamily\bfseries\large}{}{0cm}{\numb} ...
1
vote
3answers
139 views

Aligning definition of a function that maps into a function space

I'm writing a proof that the dual of l^p is l^q, and in that process, I define a function from l^q to (l^p)*. My current function definition looks like this: \begin{align*} ...
2
votes
1answer
61 views

Align equation multiple columns

Is it possible to align an equation like this: I tried this, but: \begin{align*} & u_a(t) &= u_e(t) - u_{R1}(t) \\ & &= u_e(t) - R_1 \cdot i_1(t) = u_e(t) - ...
4
votes
1answer
81 views

aligned-environment in tabularx - fail to align vertically

I try to have a simple tabularx-table in which the cell content is vertically aligned to the top. While this works as expected for text, two aligned-environments in adjacent cells are vertically ...
1
vote
2answers
185 views

How may I align the following mathematical statement 'horizontally'?

I appreciate if someone could provide me an answer with coherence. \documentclass[11pt,a4paper]{article} \usepackage{blindtext} \usepackage{mathtools} ...
1
vote
1answer
892 views

I have this error: Paragraph ended before \align was complete. What can i do?

Hello I have this code from LaTeX, but it didn't work? Any idea? I would appreciate if somebody can help me. :) \begin{align} \begin{split} h'(v) &= ...
0
votes
0answers
21 views

Align text and image topwise [duplicate]

I would like to top align an image with a text. The problem is that the text is aligned with the baseline of the image. The current code I have is this: \documentclass[margin,line]{res} ...
1
vote
1answer
40 views

Alignment of contents similar to tabular in a multicol environment

I have placed a multicol environment in the middle of a page with 3 columns as you can see in the followning image: In each column I want the contents to be aligned one under the other as if there ...
4
votes
3answers
440 views

beamer with equation or align : replace part of equation and keep alignment

I'm creating a presentation with the beamer class. Assume I want to write this : \begin{equation} f(x) \only<1>{= \cos(x)} \only<2>{= 2\cos(x)} \end{equation} I have a ...
2
votes
2answers
231 views

Aligning multiple column equation on left

I would like some equations aligned to the left, inline with text, with equation numbers aligned to the right, and with a middle column aligned with itself. The solution here and other solutions ...
1
vote
3answers
117 views

Aligning multiple places in equations using align

My question is simple. I've played around with the & symbol to align my equations neatly under each other, but I just can't get it to look nice. This is the closest I've got: ...
4
votes
1answer
80 views

Extra vertical space when using align and no numbering

I think I've found a small bug in the way the showonlyrefs=true option in mathtools works. Consider this semi-minimal example: \documentclass[12pt]{article} \usepackage[utf8]{inputenc} % UFT8 - ...
3
votes
2answers
4k views

Paragraph ended before \align was complete

\documentclass{article} \usepackage{amsmath} \usepackage{fancyhdr} \usepackage{amssymb} \pagestyle{fancy} \rhead{Homework for Stats Chapter 4\textbackslash Lab} \cfoot{Page \thepage} ...
2
votes
2answers
72 views

How to set the equation width to be contained within one colum

I am using a two-column layout in my latex source file, and I have a series of (inequality) equations to show, which I wanted to keep them inside the left column. However, with \begin{align*} ...
2
votes
1answer
92 views

Align environment creates extra vertical space

I'm typing a very large document (a thesis) and at some point align environment produces abnormally large vertical space before and after equation. I double-checked that it is neither in the beginning ...
3
votes
2answers
45 views

How can I stop the numbering of equations in the align command

With this code I have numbering of equations: \begin{align} U_{2} = - u_{2}(h) + x_{2},\label{eqn:foca1}\\ Y_{2} = x_{2} + T,\label{eqn:focb1}\\ u_{1}(h) + T \geq u_{1}(h^*) ...
7
votes
1answer
139 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 ...
0
votes
2answers
100 views

Sum alignment in equations

What is the best way to align equal signs and sum symbols in the following MWE? \documentclass[a4paper]{report} \usepackage{amsmath} \begin{document} \begin{equation} \begin{alignedat}{4} y_\text{L} ...
2
votes
2answers
117 views

Multiple align points and multiple equations

I have 2 equations, both have to be numbered and aligned. Equations' numbers should be vertically centered. But equations are long and have to be broken into 2 or 3 lines each. It would be great to ...
2
votes
2answers
782 views

Align equilibrium arrows with mhchem

I have the following code made with the mhchem package: \begin{align} \ce{CH3COOH + NaOH <=> CH3COONa + H2O} \\ \ce{H2O <=> H^{+}_{(aq)} + OH^{-}_{(aq)}} \end{align} Which ...
2
votes
2answers
74 views

Aligning Multiple Columns in an Equation

I have the following equation: \documentclass[a4paper,oneside]{scrbook} \usepackage{amsmath} \begin{document} \begin{equation*} \begin{aligned} X & = A * A * \Big( A * A * A * A ...
0
votes
1answer
74 views

Problem with \begin{document} and alignment? [closed]

I'm a noob in Latex. After watching some videos on Utube I tried to type up some maths on Latex. Btw I'm using the latest version on my Mac. The default preambles are already there so I started with ...
5
votes
1answer
141 views

Equation alignment creating unwanted space

I am defining some text in a align, but no matter how i place the & symbol to create the alignment i get a space between the first chars. \begin{align*} H_0:& \text{Something.}\\ H_1:& ...
2
votes
1answer
167 views

aligning the equal signs without numbering each line in latex

Suppose I have something like, $\therefore$ we have the following: \begin{align} 2x + 7 &= 5x + 8 \\[0.1in] &= 2x - 7 \\[0.1in] &= 4 \\[0.1in] \end{align} I randomly made equations up ...