4
votes
1answer
56 views

Setting a column of an align environment at a fixed distance from the margin

I'd like to set proofs in the style shown in this answer but with the right column at a constant distance from the left margin, so that the explanations show up consistently located in the many proofs ...
1
vote
1answer
42 views

Two columns of equations, aligned and just one number per column

I'm writing a two-column document, and I want to display two sets of large equations floating at the top. Each equation set should be aligned within the same column, and only the two top equations ...
6
votes
3answers
76 views

\underbrace and align environment

I want to typeset a proof and want to emphasize what I do in each step e.g. by underbracing an equal-sign when I substitute a variable. In addition I also want to align equal-signs in every line. ...
10
votes
1answer
86 views

Comment an equation without creating extra space

I try to make a comment on the right (or left) of one line of proof. But the align* environment automatically move the whole equations to the left to leave space for the comment. But I still want the ...
3
votes
1answer
63 views

Overset placement is uneven

I'm using this code to show that one element of the equation is greater than zero and the second element is less than zero. \begin{align} \overset{+}{\pi_{i}} + \overset{-}{w_{g}(S)} > 0 ...
3
votes
1answer
65 views

align environment has too much white space

How can I let the following code look good ? \begin{align*} &\text{Als} &&a,b \in H\\ &\Rightarrow &&a,b\in H_1 \land a,b \in H_2 &&\text{Definitie van doorsnede}\\ ...
0
votes
1answer
39 views

Centering a group of equations and text both which is used in \begin{align*}…\end{align*}

Say I am trying to center a group of equations, written in separate lines, with equality sign aligned one below another, which are defined by: $f(r)+1=g(r^2)+1=O(r)$ as $r\to 1$ by first using the ...
2
votes
2answers
53 views

Ignoring alignment for certain lines in an alignat environment

I am having trouble typesetting an optimization problem, and would like to know how to ignore the alignment for a certain line in an alignat environment. I've currently typeset the optimization ...
8
votes
1answer
68 views

Underbrace multiple math lines

I have to underbrace multiple lines in an align-environment with one brace. Meaning something like \begin{align*} A ={}& B + \underbracemultiline{C + D + E \\ & + F + G \\ & ...
6
votes
4answers
135 views

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)] &&= ...
2
votes
2answers
69 views

Multicolumn proofs, align within tabular?

I want to condense my assignment by laying out each solution as a table with a picture on one side and the proof on the other. To make matters worse, I need to be able to include some equation ...
3
votes
1answer
72 views

how to use math mode inside align* [closed]

why does this give an error? \begin{align*} $\sum_{i=0}^K n_{\text{i}} * P * 1000$ \end{align*} why cant I use align* for my math formula which includes a summation?
4
votes
2answers
73 views

Spacing numbers in two equations equally

I have this weird requirement, to align two sets of numbers, one under another, in groups of three. Here is how it should look: I tried the following: \begin{align*} x_F &= 1.368 &808 ...
2
votes
1answer
127 views

amsmath split environment results in error “Missing } inserted.”

The following compiles fine, but outputs a pdf with a line too long. \documentclass{article} \usepackage{amsmath} \def\group#1{\left ( #1 \right )} \begin{document} $$ %\begin{split} \group{\neg ...
0
votes
1answer
119 views

Where is the error that i can not run? [closed]

\documentclass[12pt,a4paper]{article} \usepackage{amsmath}\usepackage{amssymb} \textwidth=16.5cm \oddsidemargin=-0.10cm \evensidemargin=-0.10cm \topmargin=-1.0cm \textheight=24.5cm ...
1
vote
1answer
101 views

Latex equation positioning problem

\documentclass[12pt,a4paper]{article} \usepackage{amsmath}\usepackage{amssymb} \textwidth=16.5cm \oddsidemargin=-0.10cm \evensidemargin=-0.10cm \topmargin=-1.0cm \textheight=24.5cm ...
9
votes
1answer
177 views

Split expressions with parentheses in align environment

I am writing down a rather long expression, which has to be splitted in a align environment. The thing is that this expression has parentheses which have to be splitted too. I don't want to use ...
7
votes
2answers
143 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} ...
0
votes
0answers
73 views

Aligning minipages in math environment! [closed]

I am wondering why the mathematic lines and the text in the first minipage are not aligned the same. I would prefer the text part (below the first math part, equation (89)) to extend to the place ...
15
votes
2answers
266 views

How to align nested cases?

Please consider the code bellow: \begin{align*} function = \begin{cases} case1 &\mbox{if } n = 0 \\ \begin{cases} case2 &\mbox{if } n = 1 \\ ...
1
vote
1answer
146 views

How do I typeset something like this (math - image below)?

I figured that that the exam class allows me to align the two parts of the lemma using the the \part command and also I could align the two lines of equation (3.11) using \begin{align*}, ...
1
vote
1answer
143 views

Latex matrix not displaying right numbers

I've just started writing in latex to expose math problems to a forum. I am trying to display a matrix: \[ \begin{align*} \begin{matrix} 1 & -9 & 3 \\ 1 & 2 & -2 \\ -2 & ...
8
votes
1answer
138 views

Correct usage of \ifmmode

Seems that there is some subtlety in using \ifmmode that I am not aware of. For some reason, using: \newcommand{\hlcodeA}[1]{\ifmmode\else\small\fi\texttt{\hilight{#1}}}% is not quite identical ...
5
votes
1answer
42 views

align environment according to *first* character, rather than last

\begin{align*} abcd &= abcd &(abcdefghijk)\\ &= ab &(ab) \end{align*} After the first ampersand the equal signs are aligned. However, after the second ampersand, the ...
6
votes
1answer
1k views

Tabbing for math mode?

I'm looking for something synonymous to tabbing, but for math mode. I read that alignat* should do the trick, but this behaves differently it seems. For example: \documentclass{article} ...
3
votes
2answers
527 views

Alignment across nested aligned environments

I have a list of equations with annotations like the one below: \documentclass{scrartcl} \usepackage{amsmath} \begin{document} \begin{align} aaaa &= 1 &&\text{for $X$} \\ bbbb &= ...
6
votes
3answers
198 views

How can I align two split environments at the equal signs?

\documentclass{scrartcl} \usepackage[latin1]{inputenc} \usepackage[T1]{fontenc} \usepackage[english]{babel} \usepackage{amsmath, amsthm, amssymb} \usepackage{mathtools} \begin{document} ...
2
votes
3answers
157 views

Behaviour of the align environment

I'm writing a manuscript with long equations. In order to break the equations I prefer the align environment, provided by the amsmath package, over the eqnarray one. In the below example I show the ...
8
votes
1answer
157 views

How to force equation to be closer to the sum operator?

I would like to know if it is possible to force the equation to be closer to the operation sum? When there are a lot of subscript under the sum operator, it tends to pouch the equation to the right, ...
5
votes
1answer
84 views

Centering first line of an align environment (Simulating \multicolumn{2}{c})

I often need align environments where the first line is centered, e.g., when first introducing the types of the functions to be defined, then defining them. I essentially want to obtain the effect ...
4
votes
1answer
330 views

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 ...
3
votes
3answers
1k views

Array alignment within align environment

I am trying to typeset an array within an align environment, aligning to a specific separator in the array. In the following example, I want to align on the ":" separator in the array. ...
2
votes
1answer
107 views

Unexpected behavior of SIGMA symbol in eulervm

Consider the following minimal example (which has to use amsmath): \documentclass{article} \usepackage{amsmath} \usepackage{eulervm} \begin{document} \begin{align*} \rm{text} = x_\sigma ...
9
votes
4answers
600 views

Left-aligning specific text in math-mode

I currently have via \documentclass{scrartcl} \KOMAoptions{ fontsize = 10pt , headings = normal , } \usepackage{amsmath} \usepackage{multicol} \usepackage{siunitx} \begin{document} ...
5
votes
1answer
387 views

Why does this error keep popping up even though I clearly fixed it?

This is the code I have: \begin{align} \vec{l} \cdot \vec{n} & = \left \langle 1,2,3 \right \rangle$ \cdot \left \langle 3,-3,1 \right \rangle \\ ...
3
votes
1answer
3k views

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 ...
5
votes
3answers
4k views

Two sets of aligned equations in two columns?

Say I have a set of equations: (1) \begin{align} wx&=u\\ wy&=v\\ w&=10 \end{align} (2) \begin{align} x&=u/w\\ y&=v/w\\ \end{align} How can I do the following: put (1) and ...
7
votes
3answers
211 views

Aligning different parts of an equation with certain spots in the line above

I am trying to get certain parts in the second line of an equation to line up with certain parts in the first line. For example, X=AAA+BBB+CCC = a + b + c where here I am wanting the lower-case ...
4
votes
1answer
526 views

Align environment: take exact control of tab position

I was wondering if it is possible to take control of the exact position of the tab in an align environment. Like so: \begin{align}[2cm] A &= x^3 + 14789\\ B &= f^6 \end{align} Which should then ...
2
votes
2answers
3k views

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 ...
9
votes
2answers
150 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 ...
5
votes
2answers
201 views

Applying breqn in bulk to typeset a math book for my kindle?

I'm trying to typeset this book for my Kindle: http://linear.ups.edu/ Unfortunately some of the equations result in overfull hboxes, and I can't read them. Though I've managed to manually convert ...
2
votes
1answer
2k views

How can I use an align environment flush right?

Is there an option analogous within the align environment to the left align for right align, i.e. fralign. MWE: \documentclass{article} \usepackage[fleqn]{amsmath} % Instead have [freqn]. ...
9
votes
3answers
871 views

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} ... \\ ...
3
votes
2answers
1k views

How to box two lines inside align*

I asked a similar question today except it was targeted at one particular line inside the align* environment. Now I want to enclose two lines. The failed attempt below makes my intention clear: ...
6
votes
2answers
1k views

\mbox does not draw a box inside align*

\mbox doesn't work inside align*: \begin{document} \usepackage{mhchem} \begin{align*} \ce{K_w} &= \ce{[H3O+][OH^-]} \\ -\log \ce{K_w} &= -\log ( \ce{[H3O+][OH^-]} ) \\ -\log ...
4
votes
3answers
163 views

Format math definition

$$ A = \{ x_{1}y_{1}z_{1}...x_{k}y_{k}z_{k} : x_{i}, y_{i}, z_{i} \in \{0, 1\}, k \geq 1, \text{ and } x < y < z \text{ where } x = x_{1}...x_{k}, y = y_{1}...y_{k}, \text{ and } z = ...
13
votes
7answers
619 views

Aligning polynomial terms

In LaTeX align, I'm struggling to align polynomial terms and assume there's an easy way to do it. But I cannot find the simple/elegant solution. What I would like is something like this: x1 + x2 ...
4
votes
3answers
8k views

How can I use an align environment flush left?

Is there a way possible to imitate the align environment for math mode commands, without having all writing being placed toward the center on the output page? MWE: \documentclass{article} ...
1
vote
2answers
188 views

Format mathematical definitions

I want to define a list of definitions. This is what I have: \begin{align*} Let & L_{1} = (Q_{1},\sum,\delta_{1},q_{1},F_{1}), and \\ & L_{2} = (Q_{2},\sum,\delta_{1},q_{2},F_{2}). ...

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