{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.

learn more… | top users | synonyms (1)

0
votes
1answer
148 views

“Invalid Equation” on codecogs.com/latex/eqneditor.php but It's ok on stackedit.io [closed]

I have this equation in latex: \{\Theta, \{\phi, \psi \}\} + \{\phi, \{\psi,\Theta \}\} + \{\psi, \{\Theta, \phi\}\} = 0 and codecogs.com/latex/eqneditor.php show me "Invalid Equation": but ...
7
votes
1answer
2k views

Placing equation number on left with reqno option in amsart document class

Is there a way to force individual equations to place their equation numbers (or more specifically the result of a \tag*{blah}) on a specific side of the page regardless of the options to amsart. I ...
1
vote
1answer
52 views

Changing the spacing inside equation with underbrace [duplicate]

I am aware of questions/answers that address the question of space around the equal-sign (e.g. this one or this other question). However, my question is related to a situation where I make use of ...
4
votes
2answers
105 views

How to refer to figures, tables, equations and sections [closed]

What is the correct way to refer to figures, tables, equations and sections? For example, should I write In Figure 1.1 we notice that.... or In fig. 1.1 we notice that.... or In figure 1.1 we notice ...
2
votes
0answers
61 views

Eqnarray vs align environments [duplicate]

I keep reading that \begin{align} is preferred to \begin{eqnarray}. Unfortunately, I can't get align to justify rcl. I'll change between align and eqnarray, and the rightmost column is right ...
2
votes
1answer
61 views

writing text next to equations in array [duplicate]

I am trying to reproduce the attached picture: But I can't in any way figure out what the correct way to write text next to an equation is. Is there a package for this?
3
votes
1answer
59 views

Get both advantage of multline ( spacing) AND equation/multlined (numbering)

I like the spacing of multline but not the numbering (on the last line). I tought for a moment that equation+multlined will do the trick but that is not the case right now. The numbering is OK, but ...
6
votes
1answer
91 views

Libertine + newtxmath gaps in big brackets

I have a problem when combining Libertine with newtxmath. When using large brackets in equations the brackets have strange gaps. \documentclass[fontsize=12pt,DIV=12,oneside,a4paper]{scrreprt} ...
5
votes
1answer
56 views

Numbering equation for each custom section

I have created an environment named hwp with custom headers and footers that works otherwise very much like the native section environment, in which I can set equations, add figures, etc. What I would ...
1
vote
0answers
24 views

Generate external images for all equations in a document [duplicate]

I have to convert a LaTeX document to a Microsoft Word template due to circumstances I cannot alter (intergovernmental organisation). With \tikzexternalize, I can easily generate images for all my ...
4
votes
1answer
70 views

Equation errors in latex

i have this equation \begin{equation} D{_{T__1}_,}{_{T__2}} (g)= | H{_T{__1}} (g)- H{_{T__2}} (g)|=|log_2 P{_{T__1}}(g)-log_2 P{_T{__2}} (g)| \end{equation} and it shows some error and also the ...
3
votes
1answer
65 views

How to control equation labelling in “align” environment?

I would like to write something of the form: \begin{align} c_1 & = 1 \\ c_2 & = 1 + 2 \\ c_3 & = 1 + 2 + 3 \\ & \; \; \vdots \end{align} I would like the first three ...
0
votes
0answers
31 views

\hat{} not appearing in equation with transpose? [duplicate]

Why does the first bracket not display the \hat{\beta}, I cut and pasted from the second one so they are exactly the same? I guess it has to do with the fact that the first expression is transposed? ...
9
votes
2answers
72 views

Cleveref: Parentheses around references to subequations using \labelcref

Using the Cleveref package (v0.19) i have a problem with missing parentheses when referencing to subequations, using the \labelcref command. Here is a MWE: \documentclass{article} ...
3
votes
1answer
126 views

Equation without any symbols

I got a strange Problem while writing on my bachelor thesis. If i set up a equation the result is displayed without any mathematic symbols. For example: \begin{equation} \frac{2 + ...
2
votes
1answer
45 views

Horizontal spacing between lines in split enviroment

I have a math expression that looks like this \documentclass[a4paper,12pt,amsmath,amssymb]{article} \usepackage[utf8x]{inputenc} \usepackage{ucs} \usepackage[T1]{fontenc} \usepackage{tgtermes} ...
30
votes
2answers
791 views

Equation connected by lines

I have written a code that defines a new environment in which aligned equation are connected by lines as in the image: I think it is useful when, inside the align environment, there is the need of ...
7
votes
4answers
272 views

left position math formula

I try to write down the following equation: \begin{equation} \begin{flalign*} \left \| \vec{r}_1 - \vec{r}_2 \right \| = \\ \sqrt{( r_{1,x}-r_{2,x} )^2 + ( r_{1,y} - r_{2,y} )^2 } = \\ \sqrt{( ...
5
votes
3answers
72 views

left alignment for equation by using aligned

I used equation to write my Comment set. But when I used aligned, it doesn't show a left alignment. This is my code : \begin{equation} \begin{aligned} Comments=\{\{7322,{""}\},\{7424,\text{"remove ...
2
votes
1answer
44 views

Font issue with overline in equation

I have the following code, which produces different font sizes, when an overbar is included to the variables. \documentclass[11pt]{article} \begin{document} \begin{eqnarray*} ...
6
votes
1answer
66 views

Center over-long equations between both margins

I understand the reasoning behind the fairly narrow textwidth in a default LaTeX article. 60-80 characters per line and all that. However, I am preparing a document that features many lengthy ...
1
vote
1answer
27 views

break a long equation with an initial bracket [duplicate]

I tried to fix this problem by reading the answers to the questions on this forum related to this topic, but I did not find any solution. Could you help me, please? The thing is that I have to break a ...
3
votes
1answer
62 views

Vertically aligned equation number with underbrace

I would like to vertically aling an equation number for the following MWE: \documentclass{scrartcl} \usepackage{amsmath} \usepackage{mathtools} \begin{document} \begin{align} \begin{aligned} a ...
9
votes
5answers
4k views

Diagonal strikeout starting too low and ending too high

I want to strikeout an equation with diagonal line but I've not managed to get the diagonal line to draw as I want. The closest I've gotten is via the first example in Frédéric's answer of \cancel ...
2
votes
0answers
37 views

Aligning equations with a label [duplicate]

I just discovered how to use flalign* to left justify my multi-line equation, but I would like it to start immediately after the a) lim... in my enumerate without going to the next line. ...
0
votes
0answers
26 views

Showing elimination in the equation [duplicate]

I want show solving process. So I have for example Y=(x-2)y / y =x-2 . I want draw a line over y that show as eliminated as problem be solved. How can I do?
2
votes
1answer
120 views

Young diagram as float in tufte-book

I am trying to place Young diagrams (using youngtab) in the margin, as in the tufte-book document class. I have tried the obvious \begin{figure} \centering ...
4
votes
1answer
42 views

Disabling enumeration for a document

I'd like to disable enumeration for my document. I'm using amsmath and breqn. I tried using \mathtoolsset{showonlyrefs=true}, but it doesn't work. \documentclass[a4paper,landscape]{article} ...
1
vote
1answer
110 views

Formula sheet with columns and equation breaking

I'd like to make a compact formula sheet with 3 page columns in landscape orientation. I prefer the equations to break at boundaries (semi-)automatically. Currently most of my equations are formatted ...
3
votes
3answers
72 views

Fixing alignment in equations

I wish to get a more typical alignment (I hope this obvious) than what I am getting with the following code: \[ ...
4
votes
2answers
94 views

Left align definition for symbols in a LaTeX math equation?

I have an equation and want to have a 'where' block beneath it explaining the variables used. I would like to use something similar to the last example in this answer, but I would like the 'where' ...
1
vote
3answers
91 views

How can I reference a formula with an on going numbering?

I work with LaTeX for long time and I used eqnarry. But that's obsolete so I gave equation and aligned a try. The problem is, that if I reference to my equation it shows the chapter numbering (?), but ...
38
votes
4answers
4k views

align vs equation

I always use align in my documents, and avoid equation. Is there anything wrong with that? My reasoning behind this: align > equation, so why not use it?
2
votes
0answers
77 views

Add an equation at the bottom of a KOMA-script article in twocolumn mode

how can I place a large equation at the bottom of a page when using the document class scrartcl with the twocolumn option enabled. I know about this solution using multicols, but I'd rather stick ...
2
votes
1answer
60 views

How to use display equations with psfrag?

I would like to include a display equation in an EPS figure using the pstool package. When the command for the replacement text is $\sum_{i=1}^{N} x_i^2$, then it compiles fine (see the vertical axis ...
7
votes
1answer
10k views

equation spanning two columns in ieeetran

I am writing a paper using ieee style in two columns format. Do you know how can I write an equation that spans over the two columns?
12
votes
3answers
269 views

Displaymath environment that can align equations and squeezes math

I have a long equation to align. Without squeezing the math, it is just barely longer than \textwidth. However, the align environment doesn't squeeze the math at all, which results in a badbox. ...
2
votes
1answer
56 views

Separately annotate parts of a fraction

I'm trying to create the following image in TikZ as part of a handout explaining blood pressure to patients in a clinic. I am unsure how to annotate a fraction in tikz. I know of the example using ...
1
vote
1answer
72 views

Why isn't eqref working?

I am trying to use \eqref as in the following, but instead of (1), I get a set of blank parentheses as the result. Could anyone help me fix the problem? \documentclass[10pt]{article} ...
5
votes
1answer
61 views

Can I make footnote inside an equation?

Can I make a footnote to clarify an important point inside an equation?
5
votes
1answer
95 views

Library of reusable equations

I want to do something that sounds simple. I want to create an external file where I will store my equations. Then I would like to be able to these equations and input them in a document without ...
2
votes
1answer
93 views

Equation Number Positioning in Align Environment

How do I control the space between the equation number and the right margin in the align environment?
10
votes
1answer
171 views

How can I add circles and arrows in linear equation systems?

How can I write a linear equation system that uses circles and arrows to indicate what should be added on each line. This is what I have so far: $S = \begin{cases} x_1+2x_2 - 2x_3 = 1 \\ ...
10
votes
3answers
11k views

Make equations large

I'm including some equations in my document, but want them to appear very large. I have them in display mode, as opposed to inline mode, but can't seem to find any way to make them larger. I've tried ...
9
votes
5answers
1k views

How to subtract two equations?

I am trying to subtract one equation from another but I can't get it to display the way that I want. This is what I have right now. \begin{align*} &y&=2x+5\\ -&&\\ ...
1
vote
0answers
30 views

Starting a theorem or a proof with an equation and vertical spacing

Is it bad practice to begin the statement of a theorem or of a proof with an equation? If it is acceptable, what is your opinion on the resulting spacing in the three cases, in the code below? In the ...
4
votes
4answers
2k views

equations that are too large to fit on one line

I have an equation that is too long to fit on one line: x = a + b + c + d + e + f as an example of what it looks like. What is the correct way to handle this? Do i break it up over multiple lines? ...
1
vote
0answers
68 views

Kerning subscripts

\newcommand{\EQ}{\begin{equation}} \newcommand{\EN}{\end{equation}} \EQ \vec{F}_{TOTAL} = \vec{F}_g + \vec{F}_{OTHER} \EN The small g after F looks like it's hanging in space. Using \EQ ...
2
votes
1answer
120 views

Centering numbered equations

I am writing a document using the BioMed Central style. I have to insert some equations, which I would like to number. For example I wrote: \begin{equation} \hat{a} = aV_kV_k^T \end{equation} ...
30
votes
5answers
2k views

LaTeX accessibility

Does anyone know of any LaTeX modules that makes the pdf output generated by pdflatex Americans with Disabilities Act of 1990 (ADA)/Section 508 compliant? Specifics: With regard to math. One simple ...