{equations} is about the various environments to typeset displaystyle mathematics, e.g. equation and {align}. For general questions about mathematical typesetting use {math-mode}. Both tags are possible on the same question.

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12
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1answer
206 views

When is `\[` preferred over equation* environment? [duplicate]

When is it preferable to use \[ instead of equation*? I find I often use the equation* environment in the following way: \begin{equation*} some expression \end{equation*} Should I instead be using ...
2
votes
1answer
25 views

Centering tildes on new lines in equation arrays

I have been using LaTex since a few weeks, and I have a lot of equations in my text. Up until now everything was perfectly doable, but now I am looking for a way to decrease the spacing between the ...
1
vote
1answer
36 views

Long equation labelled by a symbol

To label a single symbol to long equation, we use \begin{split}...\end{split}: \begin{align}\label{eq1} \begin{split} H=\langle x_1,x_2,\cdots, x_n \colon & [x_i,x_j,x_k]=1,\\ ...
1
vote
0answers
49 views

Begin{equation} works better with \ than $$

I am relatively new to LateX, and am a bit confused with the \begin{equation} command. I use $$...$$ to enter the math mode in a new environment. However, I find that when I combine $$..$$ with ...
4
votes
2answers
73 views

Explaining equation steps (multiple line \text)

I'm trying to explain my steps in an equation. The problem is that the text is longer than the line in the \flalign* environment, is there any way to make the text span over multiple lines while ...
1
vote
2answers
156 views

Align Equations with the equals sign

I am trying to align two equations, however they are not aligning at the equals sign but at the comma at the end of the equation. How can I change this? \begin{align} A_{ij}^y= \begin{cases} ...
1
vote
0answers
32 views

\textstyle as default method of displaying mathematics

This has probably been ask before (although I could not locate any information). What is (are) method(s) of setting \textstyle as default way of presenting displayed mathematical formulas?
3
votes
4answers
63 views

How do I fix the vertical alignment of the bracketed part of this equation?

The following MWE: \documentclass[]{article} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \begin{document} \begin{equation} ...
2
votes
1answer
48 views

Write case condition on two lines [duplicate]

I have this equation: which must be inserted in a Office document. But it is too large, so I want to add a line return in the middle of the 2nd and 3rd condition such that the new line starts ...
0
votes
0answers
38 views

Undefined control sequence error using a command

Dear All, I am using below code in my Latex file but getting the error of undefined control sequence The code is \begin{equation} \lVert \mathbf{p} \rVert = ...
0
votes
3answers
55 views

Obtaining left aligned equation [duplicate]

How can I align this equation to the left? \begin{equation} \beta_1=(n_{20}+n_{02}) \\ \beta_2={(n_{20}-n_{02})^2}+4{n_{11}}^2 \\ \beta_3={(n_{30}-3n_{12})^2}+{(3n_{21}-n_{03})^2} \\ ...
9
votes
1answer
221 views

How to write the equation number manually? [duplicate]

Does anyone know how to number an equation manually? I know using \begin{equation} automatically numbers the equation but I want to number it manually. Like this: ax=b 2.1 ax=b ...
2
votes
0answers
33 views

adjust length of \leadsto arrow to the text above [duplicate]

I am having really hard time to figure out how to adjust the length of \leadsto arrow in order to match the text above it. The command I am using is ...
5
votes
1answer
53 views

Enumerated list with custom label, containing aligned math equations

How do I write 4°? When I use align* or any other environment the equations become centered and I want all of them to be in a fine line just like on the picture. Here is what I tried: $(i)$ ...
0
votes
1answer
54 views

how to use mathbf or bold type in eqnarray environment?

my math equations dosent look very clear, i think they lack a little of bold. how can i use \mathbf in eqnarray environment ? more general what do you suggest to make equations very clear and ...
2
votes
2answers
75 views

Using \nearrow and \searrow to separate an equation in two alternatives

I'm tryin' to write the solution of an equation with two possible solutions, as x(ax-a+1)=0. I'm using \nearrow and \searrow with an array but I don't get it fits right. This is the code: ...
3
votes
2answers
41 views

Aligning two columns in one equation!

Consider the following \documentclass[12pt]{article} \usepackage{amsmath} \usepackage{amssymb} \begin{document} \begin{align} X_{n}=\begin{cases} X_{n}^{I}= ...
3
votes
1answer
38 views

LaTeX minimal + refcheck + equation

The following LaTeX components do not work together in combination: the document class minimal the package refcheck the equation environment Though the article class seems to work OK. Error ...
0
votes
0answers
30 views

Issues titling an equation block

Does anyone know how I can put a small title right before a line that I have created without putting a large amount of space between the small title and the line? Space is of utmost importance on this ...
2
votes
1answer
33 views

Wrapping an equation around a list

Is it possible to apply a single centered equation # to a list? I'm using aligned wrapped with equation in the first list but 1) it requires a fair amount of manual spacing to make it look right and ...
1
vote
1answer
65 views

Latex equation writing problem: equals appears as minus [closed]

\begin{equation} X=456 \end{equation} after compiling it is showed x-456 where the = symbol gone
5
votes
0answers
82 views

How can I comment out specific parts of both text and equations by a general command/switch?

I want to define a command or switch at the top of my document that will seamlessly include/exclude all the explanatory notes and lines of working that don't need to be in a final paper (but are handy ...
2
votes
1answer
38 views

Adding right brace and equation number

I have an eqnarray that consists of 4 lines. I would like to have a right brace } that spans the last two lines with equation number, first equation with equation number and second equation with ...
4
votes
2answers
47 views

Why is \smallskip so big after display math?

In the below MWE, why is \smallskip adding so much extra space after display math? (And how do I fix it?) \documentclass[12pt]{article} \usepackage[english]{babel} \usepackage{amsmath} ...
2
votes
1answer
47 views

Space lost after \newcommand [duplicate]

I use the initialism "CE" a lot in my thesis, both in an out of equations. I find that the letters are too far spaced for my liking when used in an equation, so I use the \! command to reduce the ...
5
votes
1answer
50 views

How to make hyperlinks point to the top of an equation?

I've got a system of equation splitted on multiple lines with the environment split and a reference to them, which I would like to point to the top of the system of equations. Here's my MWE: ...
5
votes
4answers
73 views

Vertical Alignment of Equations in a Table

I am writing up a university project, and I want to create a table with the left column containing Feynman diagrams (which I have drawn using the feynmp package) and the right column containing ...
2
votes
3answers
40 views

Right-justifying a comment for an equation that uses leqno

I'm unable to get the formatting correct when attempting to add a comment to an equation that uses leqno. Ideally, I'd like the equation to remain centered regardless of whether or not it is numbered. ...
6
votes
2answers
79 views

How to reduce the space enclosed in parentheses?

The following lines gives me more space below E^2 inside the parentheses. How to reduce this extra space. Also, the square (2) is above enclosing parentheses. \begin{equation*} ...
3
votes
1answer
42 views

Equations in different part of the text not aligned

I have a problem, in my document I have two sets of similar equations but they do not align. This is the text: If $\tilde{\mathbf{p}}$ is first combined with the system of Eq.\ref{inplane:eq7} and ...
1
vote
0answers
42 views

LaTeXIt Image Width

I'm not much of a LaTeX jockey, but I use it to typeset equations via LaTeXIt. I'm noticing that LaTeXIt will cut off the typeset image if it exceeds a certain width - I've looked for a document ...
1
vote
3answers
70 views

How would I get custom-colored equation numbers as simply as possible?

In a continuation of efforts to create a complete SAE technical paper class file, I need a little help finding the easiest way to create colored equation numbers. In my class file, I already define ...
3
votes
2answers
86 views

equations automatically aligning to the left, how do I centre them?

I was under the impression that equations align to the centre. I'm using a pack \documentclass [twocolumn, final] {svjour3} which I am guessing is changing that. So for example this: ...
4
votes
3answers
151 views

Multiline equation inside a split environment

I have a series of equations aligned at = inside a split environment. (They're all actually the same equation, so the left-hand-side is missing in all but the first equation.) Unfortunately the last ...
0
votes
1answer
51 views

superscript bug

I don't know if you guys can help me here but I do subscript when a value is superscripted then it isn't showed in the right way? 2 shouldn't be shown under x but more like x_2 my code looks like ...
2
votes
2answers
40 views

Problem with align alignment

I have written the following code: \mathbb{R}^n\times\cdots\times\mathbb{R}^n&\rightarrow \mathbb{R}^m\times\cdots\times\mathbb{R}^m \rightarrow \mathbb{R}\\ (v_1,\cdots,v_k)&\mapsto ...
2
votes
2answers
47 views

Complex conjugate for inner product

I am having trouble writing an inner product with a horizontal bar over it representing the complex conjugate. $\langle b_i, b_j \rangle=\bar{\langle b_j, b_i \rangle}$ doesn't do the trick Here is ...
3
votes
1answer
59 views

sum in the same line as a fraction

I'm sorry if this has been asked. I'm new to this and to Latex. I have this piece of code: \[ e^{-\xi_1 Y_1^N} = \exp\left(-\frac{\xi_1}{N}\ \sum_{n\geq1}{}V_n^1 e^{-s_n}\1_{\{ s_n \leq ...
7
votes
5answers
194 views

Two labels on the same equation line

I would like to have a compact set of two equations on the same line, each one labeled, with both labels on the far right. The code would be something like: \documentclass{article} ...
7
votes
0answers
81 views

Advanced Math and braille

How does one go about typesetting math books in braille with all parenthesized subscripts and superscripts and are there braille signs for the AmsMath package special symbols?
0
votes
0answers
45 views

latex libreoffice preamble TexMaths extension

I am currently using the texmaths extension to insert latex formulas into a powerpoint presentation. (libreoffice impress). I have to use \usepackage{braket} for the equations to work. the problem ...
4
votes
4answers
214 views

split an equation

I have the following equation \documentclass{article} \begin{document} \begin{equation} \left\{\begin{array}{l} W_1=N_c^ * w_1^c + N_s^ * \left( {w_1^s + 2w_2^s + w_3^s} \right) \\ W_2= N_s^ * ...
2
votes
1answer
38 views

Problems with \sum lower limit when in an exponent (displayed maths)

I just can't get the lower limit to be under the $\Sigma $ in an equation that has this: \begin{align*} e^{ - \sum_{x_n \leq t}{g(x_n)} \end{align*} I've tried \[ \] ,the align* environment; and ...
0
votes
0answers
66 views

how to typeset 'maximum - subject to' relation? [on hold]

How to type the following formula inside an algorithm in latex?
1
vote
1answer
30 views

How to prevent the label of a long equation running into the right margin?

I have an equation of the form \begin{equation}\label{eq:master} f(x) = E \end{equation} where E is a long expression. The problem is that the label runs into the right margin. What is the proper ...
24
votes
2answers
2k views

Why does no one fix eqnarray?

It seems to me that everyone agrees that no one should use the latex built-in eqnarray environment. So much so that packages have been made to fix it, and several alternatives have been made, ie. ...
0
votes
2answers
64 views

Numbering equations within chapters without using the chapter number

Unfortunately, I'm running into the same problem for a couple of times now. I can't find the answer anywhere on this forum, so that is why I decided to post the question. What I am trying to do right ...
1
vote
3answers
42 views

\IEEEeqnarraymulticol and long equations

I am trying to set a long equation using IEEEeqnarray and \IEEEeqnarraymulticol. A simple example is below. \documentclass[12pt]{article} \usepackage{amsmath} \usepackage{amsthm} \usepackage{amssymb} ...
1
vote
1answer
62 views

Local equation numbering inside proofs

According to the question asked here and a possible suggestion to the problem which equations should be numbered given here I want to ask following question; I find it a good solution to number all ...
2
votes
1answer
36 views

How to make the distance between two rows larger in array?

I found a mathematical formula in mathdesign document, it looks good and elegant When I try to type it as it looks, what I got is always not as good as origin. The code I use is ...