{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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4
votes
1answer
120 views

Centre justifying equations in align environment

Apologies if this has been asked before, but I couldn't find it after searching in a few places. I'm currently working with arrays of equations like the following: \begin{align} y_i^3=y_i^2&=...
4
votes
3answers
774 views

aligning vector column

I have the next latex code: $$\begin{align*}\pi(X)f(x) = \frac{d}{dt}\Pi(e^{tX})\vert_{t=0} f(x) &= \frac{d}{dt} (\Pi(e^{tX})f(x))\vert_{t=0})= \\ &=\frac{d}{dt}(f(e^{-tX}x))\vert_{t=0} &...
1
vote
0answers
346 views

Add space below equations? \belowdisplayskip is not working? [closed]

I use the following code in my LaTex document to specify the space before and after the align-environment (code is before the \begin{document}): \makeatletter \g@addto@macro\normalsize{% \setlength\...
4
votes
1answer
669 views

Alternative to align in this case? [closed]

I have the following formulas in an align environment: \begin{align} l_t&=\sigma_t * \epsilon_t\\ \hat{VaR}_{0.99,T+1|T}&=\hat{\sigma}_{T+1|T} * z_{0.99}\\ \hat{\sigma}_{T+1|T}^{ewma}&=\...
4
votes
2answers
460 views

How can I typeset determinants of Cramer's rule? [closed]

I want to typeset the determinants of the system $\begin{cases} a_1x+ b_1y = c_1,\\ a_2x+ b_2y = c_2. \end{cases}$ I tried $D=\left| \begin{matrix} {{a}_{1}} & {{b}_{1}} \\ {{a}_{2}} &...
2
votes
0answers
56 views

Is any downside in using align instead of \[…\]? [duplicate]

Is any downside in always using the align environment? I.e, if I use \begin{align} a&=b \end{align} instead of \begin{equation} a=b \end{equation} and \begin{align*} a&=b \end{align*} ...
1
vote
2answers
189 views

Line break in large formula and error message in align?

I have a very long align formula and I do not know how to optimally (that it looks good and is accetable with LaTeX rules) line-break this. Currently I have \begin{align*} \mathrm{Var}(\alpha)&\...
6
votes
2answers
276 views

How to best typeset this long matrix multiplication?

I have a quite large matrix multiplication: \begin{align*} \mathrm{Var}(\alpha)&\approx \begin{pmatrix}\sqrt{1+\pi^{2}}\exp(-\delta^{*}+\zeta^{*}) &\frac{\pi\exp(-\delta^{*}+\zeta^{*})}{\sqrt{...
2
votes
2answers
171 views

hiding equation with fcolorbox won't work

I'm learning some formulas and in order to hide them (=print white) within my pdf-document using fcolorbox. I tried to create some macro, here's my mwe: \documentclass[a4paper]{scrartcl} \nonstopmode ...
4
votes
1answer
2k views

mathtools: the use of intertext in align

If I use \intertext{some sentence or two} and then continue align, will the align environment break across a page break where the text is inserted or is it still unbreakable? If it is still ...
5
votes
2answers
873 views

equation labels inside a nested align and aligned environment

I'd like to have several equations aligned pair-wise in, essentially, two columns, but with individual labels for each equation and/or for each line (where one line displays two equations). I have ...
6
votes
2answers
4k views

Equation: How to create nested/multiple cases in LaTeX to align the qualifiers

I am having trouble with a particular equation as the cases are nested within a case. It would also be cool if I could align the qualifiers. I tried to post an image of the equation but I could not ...
5
votes
3answers
185 views

Aligning Summations Over Differing Numbers of Sets

I'm trying to align a set of constraints for a linear program formulation. The issue I'm having is that some of the summations are over two (or more) sets, while others are only over one. This makes ...
2
votes
2answers
221 views

mathtools: tagging with words and a number in align

How does one tag an equation with both words and numbers? \documentclass{article} \usepackage{mathtools} \newenvironment{Dequation} {% ...
5
votes
4answers
164 views

Large formula in align

I have a large formula in align: \begin{align*} log \mathcal{L}(\alpha,\beta,\mu,\delta| l_1,...,l_n)&=\\\sum_{i=1}^n \left( log \left(\frac{\sqrt{\alpha^2-\beta^2}}{2\alpha \delta K_1 (\delta\...
2
votes
0answers
547 views

center align 2x2 plot of subfigures [duplicate]

I've got a 2x2 plot of subfigures that is too wide to fit within the margins of a page. Latex left aligns it and the right hand side goes off the page. I would like to center align the whole thing ...
4
votes
2answers
304 views

How to align equation items below their =

How is it possible to sort equations align with their = like this: a*b*c = d*e*f g*h = i*j k = l*m*n o*p*q = r I've seen it before but I don't know how to find that!
6
votes
2answers
5k views

Break Large Equation Between Parenthesis Using Multline

I have a very large equation that I need to write in multiple lines, but multiline is not working between parenthesis. This is my LaTeX code: \begin{multline} e^{-y \lambda_n} \left( -\frac{...
3
votes
1answer
343 views

Align multiline RHS

I have the following MWE: \documentclass{report} \usepackage{amsmath} \begin{document} \begin{align} L_W&=\frac{L}{W} & \text{words per line}&=\frac{\text{bytes per line}}{\text{...
8
votes
2answers
316 views

How to align multiple symbols for a long equation?

\documentclass[11pt]{article} \usepackage{xfrac, array, tabu, multirow, graphicx, setspace, dcolumn, tikz} \usepackage[fleqn]{mathtools} %the argument for d specifies the maximum number of decimal ...
9
votes
1answer
213 views

How can I align the terms of this equation nicely?

I have the following alignat segment: \begin{alignat*}{3} \text{max}_{\underline{\lambda}} \text{min}_{\underline{x}} \quad & \underline{c}^T \underline{x} + \underline{\lambda}^T(\underline{d} ...
8
votes
2answers
8k views

Too much white space when using the align-environment

Consider the following example: \documentclass{article} \usepackage{amsmath,amssymb} \begin{document} \begin{align} \prod a+bm && \text{is a square in} && \mathbb{R}\\ ...
4
votes
1answer
13k views

What is “! paragraph ended before \align was complete”?

The following is the piece of code that was working right before I made a few small minor changes. \begin{align} \langle \prod_{i=1}^{n} \delta_i ^{n_i} y^{m_i}_i \rangle = \sum _ {a_{i=1...n} = 0}...
0
votes
2answers
159 views

Begin Align - Text Gaps

I have a quick question about blocks of the following type: \begin{align*} CODE HERE \end{align*} After any one of these blocks I always get this huge gap. In the uncompiled document I have one ...
2
votes
1answer
255 views

Vertical alignment of text around a symbol in table

Is there a way to organize the vertical alignment in table around a particular symbol. For example in the below code \begin{table} \begin{center} \begin{tabular}{ *{1}{c}} a = b + c \\ a + ...
4
votes
1answer
72 views

Alignment in math environment

Consider the following piece of code \documentclass[twocolumn]{article} \usepackage{amsmath} \begin{document} \begin{align*} A_i &= B_i + C_i\\ &= D_i + E_i+F_i + G_i + H_i\\ &= I_i + ...
3
votes
1answer
187 views

\intertext doesn't play nice with \paragraph

I have the following test case: \documentclass[12pt]{article} \usepackage{amsmath} \begin{document} \section{Test} \paragraph{Group A:} \begin{align*} E &= mc^2\\ E &...
2
votes
1answer
368 views

Aligning equations

This is very similar to a lot of other questions but I haven't found one that EXACTLY replicates the problem I'm having. I have the following: \begin{align*} &\text{minimize} &R_k + \...
3
votes
3answers
284 views

Free cell alignment in a table

I want to use the package tabu which I've heard is the latest and greatest package for creating tables to generate a table that looks like this: ------------------------------------- |A | ...
5
votes
1answer
106 views

Where is this whitespace coming from in align*?

I am trying to align 2 simple equations using the align* environment: \begin{align*} \phi(\gedge{\tilde{v}_{i_1}}{\tilde{u}_i}) & = \phi(\gedge{\tilde{v}_{i_2}}{\tilde{u}_i}) & = \gedge{v}{u} ...
1
vote
1answer
725 views

Missing $ Error in aligned equations

I think here's the problematic code The series expansion of $e^z$ is given by \[ e^z = \displaystyle \sum^{\infty}_{n=0} \dfrac{z^n}{n!}\] Then we can write the given function as \begin*{align} \...
10
votes
1answer
873 views

align also ylabels in a TikZ matrix

I am aligning many pgfplots with the TikZ \matrix. The axes are automatically aligned correctly. How can I also align the ylabels automatically (because I am changing plotted data very often)? \...
3
votes
1answer
471 views

Align all equal signs in the document

Is there a way to align all the equal signs in all equations all over the document? I write a theses (scrbook) and like all equal signs to line up. At least in a chapter if not possible for the whole ...
1
vote
2answers
1k views

Missing } when using \begin{align*}

I have scoured my code and tried it out without the alignment. There is nothing i can see wrong with the code, but when I try to use align or eqnarray, I always get some error message. Here's the code ...
6
votes
2answers
265 views

Conditional linebreak in align environment

I have a large document to typeset in two different page formats. Some of the equation lines are too long in the small format so I wanted to break some equation lines conditioned on whether the macro \...
9
votes
2answers
14k views

align inside of tabular

Today I failed using an align-environment inside of a tabular-environment. Consider the following example: \documentclass[12pt]{scrbook} \usepackage[english]{babel} \usepackage[utf8]{inputenc} \...
8
votes
2answers
415 views

Delimitershortfall in align environment

Can you explain why the \delimitershortfall cannot be modified inside a align environment? This is a MWE: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation} \...
2
votes
1answer
16k views

Subequations and align environment

I am trying to use subequations with a complicated alignment. The alignment in the MWE is not satisfactory. I am seeking for a solution where I can specify lrc such as in array, but subequations doesn'...
4
votes
2answers
301 views

Alignment with brackets

I am having problem in the align environment when I have brackets. Here is my example. \begin{align} A& = B~~~&+c~~-D\\ E& = F&+G-H \end{align} However, a similar problem I have ...
1
vote
1answer
193 views

Only one equation number with math-vfill-tombstone symbol

Maybe what I want is sinful, but let me explain: I use aligned* environments, because I usually don't need equation numbers. When I need one, I use \addtocounter{equation}{1}\tag{\theequation} from ...
0
votes
1answer
641 views

Collectively aligning multiple align environments [duplicate]

I am using amsmath, and I want to be able to break a mathematical derivation into multiple align environments while maintaining their collective alignment. In particular, I would like to horizontally ...
2
votes
3answers
876 views

How to align equations

I am trying to write a set of equations similar to some found in a book I am reading. Below is how the book has formatted the equations: and here is what I have so far: How can I align my ...
1
vote
1answer
3k views

Align values in bmatrix

Is it possible to renew the bmatrix environment to have alignment? I would like the following vectors to show aligned: \begin{bmatrix} -0.505 & \\ -0.141 & \\ 0.144 & \\ 0.839 & \...
3
votes
1answer
491 views

amsmath's intertext and labeling

I have an align environement with intertext: \usepackage{amsmath,mathtools} \begin{align*} x&=f(z)\cos\alpha\\ y&=f(z)\sin\alpha \shortintertext{with} f(z)&=\ldots \end{align*} However ...
1
vote
1answer
666 views

Equation align two column to one column with page width

I was trying to format the following expression using align. However, I need it in two column. Of all the equations, one is a long expression and Hence I added \rlap. The problem is the lengthy ...
2
votes
1answer
796 views

Argument of \text@ has an extra } \end{align*}

Good day, I am using the following code: \documentclass[]{report} \usepackage{amsmath} \usepackage{graphicx} \usepackage{breqn} \usepackage{hyperref} \usepackage{amstext} \hypersetup{linktocpage} \...
5
votes
1answer
967 views

Align summation symbols inside an align environment

I have the following piece of code: \documentclass[]{article} \usepackage{amssymb} \usepackage{mathtools} \usepackage{amsfonts} \begin{document} \begin{align*} A &= \sum\...
3
votes
1answer
151 views

Aligned equation which can break through pages [duplicate]

I'm writing long sequences of aligned math equations, and LaTeX interprete them as single, unbreakable objects... which is Ok if the equation is nowhere near the end of the page. Q: Is there a way to ...
8
votes
1answer
15k views

Using the flush left align environment flalign

When using the flalign, I either get LHS and the = on te far left and the RHS on the far right. \begin{flalign} x & = & 1 \end{flalign} Or I the equation centers itself when I try \...
1
vote
2answers
121 views

Unable to split a long equation

I want this equation to break into different lines at each of the line breaks indicated below. f = c_{A1}x_{A1}+c_{A2}x_{A2}+c_{A3}x_{A3}+c_{B1}x_{B1}+c_{B2}x_{B2}+c_{B3}x_{B3} \\ + c_{X1}[y_X,(W/S)...