Tagged Questions

{amsmath} is a package provided by AMS that enhances LaTeX's mathematical typesetting capabilities in various ways.

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3
votes
2answers
100 views

returning maths values in a new command

So I'm trying to construct a command which calls another command to make typing easier, but for some reason I'm not able to get the commands to return things properly. Here is what I have ...
4
votes
1answer
109 views

amsmath undefined control sequence

I am using \documentclass{report} and \usepackage{amsmath}. My problem is relation symbols such as \backsim \lesssim \gnsim are not working. Everytime I try to use such symbols error ...
6
votes
1answer
150 views

How to achieve no indentation for a single equation?

I'd like to have a single equation without indentation at all. I know I can set it globally with \setlength{\mathindent}{0cm} But I don't know how to return to the default value after the ...
4
votes
4answers
114 views

Dividing Long Equation using Split

I have a long equation as below, As the equation is too long, I am working to split it. Unfortunately it was not successful. Confused where could be the mistake. Could you assist to point it. MWE: ...
6
votes
1answer
90 views

Opposite of \allowdisplaybreaks

If i load the amsmath package it doesn't allows to break by default alignments across the pages in the multline, align, gather, alignat environments and their starred versions. Howewer it exists the ...
4
votes
3answers
64 views

Alignment using an alignat{2} environment

In the following code, I have the appropriate alignment. All the equal signs are aligned. There is one expression that is written on two lines; I wanted the first plus signs aligned. I used an ...
1
vote
1answer
64 views

How to align numbering for equations

I can't seem to align the numberings on my equations. If anyone can help that would great! Here are my codes: \begin{multialign} \item 4x - 2 &< 3 && \\ 4x - 2 + 2 &< 3+2 ...
4
votes
3answers
145 views

Align without display math?

Is it possible to use the align environment without the display math? For example, I would like \sum to look as if it were inline. The solution given here does not work, insofar as the summation ...
2
votes
1answer
39 views

aligning equations with a tag

\documentclass{article} \usepackage[a4paper, total={6in, 8in}]{geometry} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage{fourier} \usepackage{mathtools} \usepackage{amsmath} ...
9
votes
2answers
159 views

Kerning and long subscripts or superscripts

For really long sub(super)scripts, does it look bad to decrease the kerning? i.e. \lim_{n\to\infty}{\dfrac{1}{s_n^2}\sum_{i=1}^n \int_{|x-\mu_i|>\varepsilon s_n} (x-\mu_i)^2f_i(x)dx}=0 ...
6
votes
1answer
205 views

Typesetting mathematical constants

Is there any command for typesetting constants in mathematical formulas? I would imagine something similar to \operatorname or \DeclareMathOperator, but for constants. I want the constant to be ...
3
votes
2answers
67 views

break an long line in an algorithm

I have a long line in an algorithm and want to break it into two lines. For similar case in equations, split can be used. How do I do this within an algorithm? \documentclass{article} ...
4
votes
2answers
101 views

Change numbering level for one chapter only

Apologies if this is duplicate but couldn't find it. I have a document using amsmath for chapter, section & subsection numbering, & everything (theorems, lemmas etc) uses the same numbering ...
4
votes
1answer
102 views

Change vertical space in overset

How can I decrease the space in overset? I found this solution online, but it doesn't look quite like the original overset (note I know it is difficult to come up with a solution to handle all cases ...
5
votes
1answer
110 views

Define certain letter in math-mode to be always non-italic

Imagine I have a 500 page book about complex numbers. But I always wrote just j in math-mode as the imaginary unit. But I should have written \mathrm{j}. Is there a command I could write into my ...
0
votes
0answers
34 views

{cases} does not work while amsmath package is used

I tried the following: $P_{ijt}^{bool}$: \begin{cases} 1 & \mbox{if } P_{ijt} > 0 \\ 0 & \mbox{else} \end{cases} \usepackage{amsmath} is in the beginning of the file. This should work ...
1
vote
0answers
19 views

Separate labels in cases to then reference [duplicate]

How can I label each of these equations separately so that I can refer to each of them later on? \[ \begin{cases} u_t+uu_x=-p_x, \\ H_t+(uH)_x=0, \end{cases} \]
1
vote
1answer
74 views

Center-justifying first part of multline

Consider the following MWE. With my document setup, the equation has to be broken into two lines. Luckily I can get the entire matrix on one line, so I can break the equation after the equals sign. By ...
3
votes
4answers
81 views

How can I change the font of all equations?

I'd like to change my default font style in all equations of one document, not just single equation. I guess I am using \usepackage[utf8]{inputenc} and \usepackage{amsmath}, which may be related to ...
3
votes
1answer
59 views

How to typeset times in regular text

How should I enter in a time of day in latex in order to have it typeset properly, if I am using the amsmath package? I am using pdflatex. say I want to write "12:00". In math mode, this gives a ...
4
votes
3answers
250 views

How to write two equations as part of one equation?

\begin{equation} \begin{align} \mathbf{x_{t}=f_{t}(x_{t-1},u_{t})}\\ \mathbf{y_{t}=g_{t}(x_{t},v_{t})} \label{eq:state-space&obs-equ} \end{align} \end{equation} I want that y(t) equation should ...
8
votes
1answer
76 views

Switch between leqno and reqno options (of amsmath) in the same document

I'd like to know if it is possible switch between the leqno and reqno options in the same document keeping the numbering of the equations. Namely i use the reqno option (default for amsmath and the ...
12
votes
1answer
201 views

Why is the \underbrace off the line?

I have the following problem with \underbrace: As you can see, the third underbrace and its comment are not in the line with the first two. Here is my code: \documentclass[a4paper,12pt]{article} ...
2
votes
0answers
24 views

\dotsc or \dots in this case? [duplicate]

I know that we should use \dotsc with a comma and \dots if there is no comma. But what if I have a comma on the right side and no comma on the left side, for example in Pr[X_i | X_{i+1}, ... ] ...
3
votes
2answers
149 views

tips to make best estimate on aligning

Hey so I keep on using \ \ {text} to make sure all my equations are aligned. Is there any good ways to do this beside using the spacing systems? Like I had to print my project two times because ...
5
votes
2answers
105 views

How can I DeclareMathOperator* with spacing after it, preserving the alignment?

In the context of optimization problems, I'm using \usepackage{amsmath} \DeclareMathOperator*{\minimize}{\text{minimize}} \DeclareMathOperator*{\subjto}{\text{subject to}} to declare some operators ...
3
votes
1answer
94 views

Why the summation is printed like this?

The values of the upper and lower limits of a summation are usually printed below and above sigma. But I find TeX something very unusual. How to correct this? Here is the MWE: ...
6
votes
2answers
184 views

Align the n's in the equation

In the following code, how do I align the n's? Here is the MWE: \documentclass[12pt]{article} \usepackage{amsmath} \begin{document} \begin{align} n \propto exp(-U/kT) \notag \\ \Rightarrow \quad n ...
6
votes
4answers
337 views

Different proofs in amsmath with different QED symbol?

I'm trying to expand the amsmath package to get two different proof environments: \begin{proof} ... \end{proof} and \begin{proof*} ... \end{proof*} so proof* should act exactly like proof except ...
5
votes
1answer
116 views

Why can't split with curly-brace be inside align but it can be inside gather?

The following code snippet will guide you through the issue chronologically. \documentclass[preview,border=12pt,12pt]{standalone} \usepackage{mathtools} \begin{document} \section*{gather+aligned} ...
0
votes
2answers
24 views

How can I position the tag of a “nested” aligned environment?

I have an equation that is two wide to fit on a single line, but it has \left(-\right) split over two lines, and I can't align to something inside these for some reason... The wanted output is ...
4
votes
1answer
61 views

How to make equations the same size

When I write an equation using the simple \[ and \], it comes out to the correct size, with the fractions bulging above and below the lines and the parentheses surrounding them. But when I use the ...
2
votes
2answers
50 views

set section environment to be math only, amsmath's begin{gather}

I want to create a small formulary, and for that virtually every line has to be math formulas. I use the gather-environment from the package amsmath, for example: ...
0
votes
1answer
98 views

“Dimension too large” using geometry package

So, I have an interesting problem with a really (really really ...) large equation that I am trying to typeset. Basically, crunching the file through pdflatex gives: This is pdfTeX, Version ...
2
votes
2answers
96 views

Latex Alignment

So I got help for my LaTeX problem. I am in need of a little more help to get this example to look perfect. I want to perfectly align everything in the words section of each of my equations. I would ...
10
votes
2answers
128 views

How to Align systems

I am having a hard time of getting my texts and equations aligned. Idk what pack to use. Sorry the way I listed the codes are not the very best. This is my first time going on to this forum. Here's a ...
2
votes
1answer
70 views

Problem with align*, having & inside \dfrac arguments

To center align two equations, I need to place the & inside a \dfrac argument (I am using AMS LaTeX) but if do that, I get an error message and the code does not compile. The only alternative way ...
0
votes
2answers
26 views

Mathematical indices error in latex

I am new to LaTeX. I have a long paragraph which includes some mathematics symbols (indices and exponents). According to documents, I can use ^ and _ for both functions. However, they fail until I add ...
5
votes
0answers
67 views

Is using DeclareMathOperator for functions the right thing to do?

I'm wondering if I use the \DeclareMathOperator for the wrong things. For example I have a cost function cost(x,y) which takes two arguments. I would declare it as \DeclareMathOperator*{\cost}{cost} ...
5
votes
2answers
59 views

How to make \dots from amsmath and ellipsis work together

The amsmath package changes the \dots command to have different vertical alignment depending on context (I'm not sure if it does anything else to it). The ellipsis package changes the \dots command to ...
3
votes
1answer
97 views

What does \normallineskiplimit do?

In this excellent answer, one of the tools used is to redefine \normallineskiplimit. I cannot find this macro in any reference, although it does show up in this answer. Where is this length originally ...
3
votes
1answer
61 views

How to align terms in alignat: too much spaces and too few

Please, help me this code has too much spaces and too few, how can I fix it? \begin{subequations} \begin{alignat}{2} \forall i \in[m] && \sum \limits_{e \in N_{out(s_{i})}} y(i,e) - \sum ...
6
votes
2answers
124 views

What's the difference between split and aligned?

I don't understand the difference between the split and aligned environments introduced by amsmath, so I'm posting this question as a place to collect what subtle details there may be. One thing ...
6
votes
2answers
990 views

Big forward slash in math

I have a equation in from of a=VERYBIGSTUFF / VERYBIGSTUFF And I would like to have a "verybig" forward slash in the middle of them. I dont like \frac mode, as I would like to have them ...
0
votes
0answers
18 views

amsmath: error using subequation environment “Missing \endgroup inserted \end{align}” [duplicate]

Here's my minimal problem-causing example: \documentclass{standalone} \usepackage{fixltx2e} \usepackage{amsmath} \begin{document} \begin{subequations} \begin{align} a &= ...
3
votes
3answers
139 views

Why does `gather` behave this way, and what can we do about it?

Here's a simplified version of the code I'm having trouble with. \documentclass{article} \usepackage{amsmath} \begin{document} \begin{center}\underline{First set of identities.}\end{center} \[x+x = ...
0
votes
0answers
47 views

! Undefined control sequence \backsim [duplicate]

My latex file does not accept the command \backsim. This is what I wrote in the file: $ \backsim 2.5 \mu$ What is wrong?
18
votes
4answers
868 views

How to typeset an i with asterisk above?

I tried it with a modification of \overset as suggested by Werner in this question: Creating non-math mode substitutes for \overset and \underset not dependent on the amsmath package With the new ...
0
votes
0answers
76 views

Locally change font style from sfmath to amsmath

I am using the package sfmath. It is rather hard to explain why, but the reason should not matter for my question. If it is required I can try to explain why I need sfmath. Nevertheless, the main ...
1
vote
0answers
83 views

amsmath package clash

Just this afternoon I seem to have a package clash that resulted in all my equation numbers disappearing. I seem to have resolved the issue by putting \usepackage{amsmath} at the top of the preamble ...