{amsmath} is a package provided by AMS that enhances LaTeX's mathematical typesetting capabilities in various ways.
1
vote
1answer
58 views
Using split to break a long equation
I am trying to break a long equation over multiple lines. It is here as follows:
\begin{equation}
\begin{split}
L(\textbf{q})=&\prod_{t=0}^{36}{q_{1}^{iB(t)sB(t+1)+iC(t)sC(t+1)}\\
&\quad\cdot ...
5
votes
1answer
38 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 ...
4
votes
5answers
82 views
Right superscript dot
I would like to achieve the following: a dot right of an expression
with this minimal example
\documentclass{article}
\usepackage{amsmath}
\usepackage{accents}
\newcommand{\dotr}[1]{%
...
4
votes
1answer
68 views
How to remove the unwanted space on the left side of the following gather*?
\documentclass[preview,border=12pt,varwidth]{standalone}
\usepackage{amsmath}
\begin{document}
\abovedisplayskip=0pt\relax
\begin{gather*}
6x^2-30x+36=0\\
6(x^2-5x+6)=0\\
6(x-2)(x-3)=0\\
x-2=0 \quad ...
2
votes
1answer
33 views
How to get to use {align} with an unusual document class?
So I'm required to use a particular documentclass, "llncs", which for some reason is preventing me from using {align}. Is there an alternative that I can use?
The beginning of my tex file
...
3
votes
1answer
61 views
Underlining fractions
I need to be able to underline equations involving fractions, which are aligned using the alignedat environment from amsmath. To be able to underline at all, I'm using the solution from this question ...
24
votes
1answer
225 views
Please explain a strange interaction between bytefield, unicode-math, and mathtools
bytefield gives me different results when used in association with mathtools and unicode-math when used together. Here's my 'good' MWE:
% !TEX TS-program = XeLaTeX
\documentclass[a4paper]{article}
...
27
votes
2answers
313 views
Why is there a \, space at the beginning of the “aligned” environment?
Near the beginning of the definition of the amsmath environments aligned and gathered (and also mathtools' multlined) there's an explicit thin space \,. This often has to be cancelled with \!, as ...
12
votes
2answers
64 views
vertical dotted line in column vector / amsmath matrix
I would like to typeset the following set of equations:
... but with contiguous, vertical dotted lines in the column vectors, such that the top and bottom rows of the matrix and of the vectors are ...
2
votes
1answer
37 views
Aligning equality sign with overset text
I'm typing a logic definition within an align environment that uses \overset{def}{=} from the amsmath environment.
However, the new sign is aligned vertically based on the equality sign, and not on ...
5
votes
2answers
54 views
Uneven spacing around ellipsis in $[A_1;\dotsc;A_n]$
I've noticed that when a \dotsc has a semicolon on each side, there's uneven space around the ellipsis created. With
\documentclass{article}
\usepackage{amsmath}
\begin{document}
\begin{align*}
...
5
votes
1answer
54 views
(Nonfatal but Symptomatic) Conflict of amsmath and mathstyle Packages
This was brought to my attention by our colleague, Lover of Structure, but since it affects my scalerel package (which began using the mathstyle package to detect the current math style, as of version ...
3
votes
3answers
72 views
How to simply center equations using eqnarray*?
So I have this code here:
\begin{eqnarray*}
x + (y - 2)^4 = w^2 \\
(x - 9)^2 + y_2^2 = w^2 \\
x + (y - 2)^4 = w^2 = (x - 9)^2 + y_2^2 \\
\end{eqnarray*}
As you can see, I get the ...
5
votes
1answer
61 views
Annotated equations
I need many of my equations to have annotations stating their domain of validity, or certain conditions for which the equation is true. Preferably, these would be flush right against the equation ...
0
votes
0answers
47 views
Is it possible to remove chapter number from align environment? [duplicate]
Basically I have written a proof using the align environment in a new .tex file and the numbers in the proof came like this (how I want them):
Line1 (1)
Line2 (2)
Line3 (3)
Now I've ...
12
votes
2answers
78 views
Input manually a number into \eqref
Often while writing papers I find the need to cite particular equations from other papers. For example, the landmark paper by Einstein, Newton, and White (2015) lays out the theory of everything in ...
23
votes
5answers
4k views
A MiKTeX update removed amsmath as obsolete – can I use another package or get it back?
I have a problem with amsmath package. After an update this package was removed because it was obsolete. But what package can use instead of amsmath?
8
votes
2answers
893 views
Change equation font to Times New Roman?
How would I change equation font in the \begin{equation} environment to Times? For instance, I use this code in LaTeX:
\begin{equation}
\begin{split}
{L_{CML}}\left( \theta \right) ...
9
votes
4answers
156 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 ...
8
votes
3answers
114 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? ...
6
votes
3answers
96 views
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 ...
2
votes
3answers
86 views
Grouping two lines inside align environment to put smth. to the left of them
I have an equation which is alligned at 1st equal sign like this:
\begin{align}
a &= b + c \nonumber\\
d &= e + f \label{eq1}\\ %this is row 1
g &= h + i \nonumber\\ %this is ...
2
votes
0answers
96 views
LaTeX is not compiling consistently
I am really new to LaTeX, so it's possible I'm making some egregious error that I'm not aware of, but my documents are compiling inconsistently. By that I mean it compiles correctly maybe one in ...
1
vote
1answer
72 views
How to use \displaybreak?
I have a very long equation
\begin{equation*}
\begin{aligned}
multiple line equation...
\end{aligned}
\end{equation}
But just using the above code causes the whole equation to start from a ...
2
votes
2answers
39 views
“\bar allowed only in math mode” error
When I run
\begin{align*}
\textit{m}(A) &=a&, \\
\textit{\bar{A}} &=1-a& \\
\textit{m}(B) &=0& &\text{for} B \neq A \text{ or} B \neq \bar{A}
\end{align*}
I get the ...
8
votes
2answers
165 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 ...
0
votes
0answers
31 views
How can I typeset a summation symbol with a two-line bottom? [duplicate]
I am using the amsmath and amssymb packages. Is it possible to type a summation with two lines of text under the symbol? Here is an screenshot example from a book I'm reading (which was clearly ...
4
votes
1answer
67 views
Trouble creating properly aligned matrix within a matrix
I'm trying to insert parentheses around a group of elements creating a matrix within a larger matrix. So far I have this:
\begin{equation}
\begin{bmatrix}
\begin{matrix}
0 & 0 \\
0 & \omega_0 ...
4
votes
2answers
59 views
Custom cross-reference formats (e.g. “Equation 1” instead of just “1”) [duplicate]
I have an equation system set up as below. When I reference it however, ie. with \ref{eqn:surfacetension}, it only prints the number '1', and not 'Equation 1'. How can I modify the code to do that? I ...
18
votes
4answers
2k views
Using display style fraction in a matrix environment
I'd like use the \dfrac command in a bmatrix environment as follows:
\documentclass{article}
\usepackage{amsmath}
\begin{document}
\[
\begin{bmatrix}
\dfrac{\partial f}{\partial x}
\\
...
0
votes
0answers
80 views
Numbered equation makes small sum operator
I am using the followig:
\chapter{Theoretical framework}
\section{Econometric framework}
\begin{equation}
{r^{h}_{t+1}}=
\alpha+\beta x_{t} + u^{h}_{t}
\end{equation}
%random test equationn
...
11
votes
4answers
3k views
13
votes
5answers
235 views
Typesetting math: an optimisation problem (cost & constraints)
I really struggle to align a system of equation for an optimisation problem. It was all ok at the beginning until I started adding the constraint.
I've got this code so far:
\documentclass{article}
...
6
votes
1answer
54 views
Temporarily undefining a “starred” command
I would like to temporarily undefine a command. The reason for this is that I need to use a specific class file which defines the equation* using \@namedef and I would also really like to use the ...
2
votes
1answer
54 views
Automatically start a new line at the beginning of a proof environment?
I use amsmath to provide the proof environment. However, if a itemize (or tikzpicture) environment immediately follows the proof environment, xelatex will produce a messy result:
\begin{proof}
...
2
votes
1answer
94 views
Proper way to typset minimum value of variable in formula?
To typeset a value with a subscript I use this:
$U_{\text{res}}$
Which results in:
Now I'd like to write "the minimum value of Ures", how would I correctly typeset that?
The first thing I tried ...
2
votes
1answer
83 views
Is a cupdot symbol available in amsmath? [duplicate]
I'm looking for a command in amsmath that makes something like \cupdot in MnSymbol (I hope spell it right...).
Look at the picture below:
i.e. a command that puts a dot instead of the "+".
One ...
3
votes
2answers
49 views
Formatting equations and text in amsmath [duplicate]
I'm working on a document on how to solve some basic integral problems. However, I'm having difficulty getting \begin{equation}\end{equation} to do what I need it to do. I would like all of my ...
1
vote
1answer
51 views
System of equations with tag which has subscript
Suppose I have an equation
u_t = F(x)
u(0) = u_0
I want to put a brace around on the left hand side of both lines and give it a tag with a subscript (eg. P_w) AND I want to be able to refer to ...
3
votes
1answer
70 views
Text inside Math
I tried doing this:
\usepackage{amsmath}
$x^2 \text{something} y^2$
but that just came out like:
x^2somethingy^2
Anyone know how to fix this issue? I need to have text inside my math ...
5
votes
3answers
71 views
Left-align math with fleqn inside split environment
Below, how would I move the first math-line left so that a^2 left-aligns with where?
\documentclass{article}
\usepackage[fleqn]{amsmath}
\begin{document}
\setlength{\parindent}{0pt}
Some text
...
1
vote
1answer
35 views
Left and right subscripts in multline environment
I am using
\documentclass[12pt]{article}
\usepackage{amsmath}
\begin{document}
\begin{multline}
\big_{1}[_{2}(...)_{2}\big]_{1}.
\end{multline}
\end{document}
The lower suffix works only for right ...
2
votes
2answers
119 views
Breaking a long math expression
I am trying to type long expression by using parenthesis inserting some sentences, as an example I have a expression like product of
\documentclass{12 pt}{article}
\begin{document}
\begin{multline}
...
2
votes
1answer
45 views
Two labeled equations on the same line with labels lining up vertically
I'm using the following LaTeX code within the amsmath environment in LaTeX (MiKTeX 2.9 and TeXnicCenter under Windows):
Let $f$ represent the resulting number of such two-step cycles that operate per ...
2
votes
1answer
61 views
Which one is recommended to split, continue and align a long equation?
In my investigation, the outputs are identical as follows.
Version 1:
Using aligned.
\begin{align*}
\framebox[6cm]{Top LHS}\\
\framebox[5cm]{Middle LHS}\\
\framebox[4cm]{Bottom LHS}
&= \!
...
8
votes
2answers
618 views
Difference between (split, align) and (gather, aligned)?
Here is an MWE which shows that they seem to do the same thing. Is there any reason to prefer one over the other for typesetting groups of equations? I would prefer the align syntax because it allows ...
2
votes
1answer
47 views
Using \limits in a customized \overset for superscript together with \sideset for subscript
I am trying to create a notation for a certain space. I am using a customized \overset in mrf's answer in this thread to suppress the extra vertical space. I still want the subscript on the right ...
0
votes
0answers
86 views
why wont this \therefore command work? [closed]
I want to type this but I am getting an error message
\begin{align} % (15) &a_n = \int_{0}^{1} (X - 1) \sin (n \pi X) \mathrm{dx} = \frac{-1}{n \pi} \\\\ \nonumber
\therefore ~~~~ &V(X,T) ...
0
votes
1answer
54 views
Choose which rows in multi-line equation to assign numbers to [duplicate]
If i do:
\begin{align}
a = b \\
b = c \\
c = d \\
\end{align}
The output will be like:
(1) a = b
(2) b = c
(3) c = d
If I use algin* instead. No row will be ...
4
votes
1answer
74 views
Making large substack more readable?
I have the following code:
\[\mathcal{I}(A,B) = \inf_{\substack{h : M\times I\rightarrow M\\
h(\cdot,t) \;homeomorphism\\
h(x,0) = ...
