{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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14
votes
2answers
6k views

How can I center text/math inside a list environment?

When using math (display) mode in conjunction with a list environment, the displayed material is not truly centered on the page; it is only centered with respect to the indentation of the item. ...
10
votes
2answers
971 views

Custom alignment of columns in align environment

I need to typeset two columns of equations, each row typeset with an equation number to the right as with an ordinary equation. The first column must be centered, and the second column must be ...
9
votes
2answers
1k views

Changing the formatting of equation numbers

How can I change equation numbering so that the chapter number is outside the parenthesis like this: 1(1) instead of (1.1)
9
votes
1answer
425 views

Spacing issue for newenvironment wrapper of equation environment

If I create a custom environment based on the equation environment, I get a spacing issue: the next line of text after my environment closes doesn't start on the left margin. Example code: ...
7
votes
1answer
2k views

Add Overbrace to describe a column of matrix

I want to add some over-braces to a matrix to get the following output: However, this this what I managed to get: I don't know how to get the neuron 1 and neuron 2 headings...I was thinking of ...
14
votes
1answer
1k 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 ...
10
votes
3answers
500 views

Boxed equation with number

My minimum working example: \documentclass{report} \usepackage{amsmath} \begin{document} \begin{center} \boxed{K_{k+1}=P_ka_{k+1}^T(a_{k+1}P_ka_{k+1}^T+I_N)^{-1}} \end{center} \end{document} ...
8
votes
1answer
576 views

Label equations arbitrarily

When I have equations, as in \begin{equation} ... \end{equation} Can I arbitrarily assign the numbers to the equations? Instead of the usual order (1), (2), (3), ..., I'd like something like (1), ...
8
votes
3answers
432 views

Changing the number of figure or equation automatically in text by changing the places of figures and equations

Is it possible to automatically reference a figure and equations in text? I meant sth like bibliography references. Moreover, by changing the place of the figures or equations relevant figure or ...
4
votes
1answer
305 views

How to put a text label *before* an equation?

currently I have an optimization problem defined in {equation} environment: I want to add a label (P) before equation (6). Currently, I had to use the first line "Optimization problem (P)" as a ...
3
votes
2answers
108 views

Refer to the “name” of an equation, while a List of Equations is generated using these names

I link two questions below because I use their solution, to number my equations and generate a list of my equations. My question about numbering equations: Number of Equation: 1, 1a, 1b Generate a ...
3
votes
3answers
5k views

Numbering side-by-side equations or inline equations

I am trying to produce a two-column table of math equations, where each cell contains its own left-justified, numbered equation. I tried using \begin{equation} \end{equation} inside the tabular ...
2
votes
3answers
120 views

Shrinking or splitting some equations in a group of equations

I have a group of equations, such as /begin{gather} Eq1 // Eq2 // Eq3 // Eq4 /end{gather} Unfortunately, some of the equations in the group are too long to fit on the page. For equations that are ...
2
votes
1answer
917 views

Align number from enumerate with equation

I'm trying to have an equation as the first line of one of my items in an enumerate environment. Example: \begin{enumerate} \item \[ x \] \end{enumerate} I want the $x$ to have the same ...
0
votes
1answer
121 views

Numbering equations

If I am writing a LaTeX document on TexMaker and I want to number my equation but most probably I will be adding details later on and I do not want to fall into retyping it all over again. So if for ...
22
votes
2answers
3k views

Table of Equations

I've looked around for this, and haven't been able to find a satisfactory answer; How would one go about producing (automatically) a table of equations, just a numbered list of used equations, ...
42
votes
1answer
8k views

Breaking equations with breqn

I am new to using the breqn package. It looks good, but I get an odd behaviour when an equation can almost fit in the page but not quite: the alignment gets completely wrong. Is there a way to fix ...
16
votes
2answers
9k views

Too much space at the top of a beamer block when using multilined math environment

I would like to place two math lines in a beamer block, as two separately centered lines. I know that I could do this using two distinct equation environments, but it would be nicer to use a single ...
9
votes
2answers
33k views

Align multiline equation with expression after equal sign

I am trying to align a multiline equation using array within the equation but it turns out it doesn't do very well. The code I am using is as follows: \begin{equation}\ \begin{array}{lcl} ...
22
votes
2answers
2k views

Typesetting Right-to-Left math

UPDATE: I've managed to produce something that is aesthetically correct, however with a lot of "hardcoding" and trial and error to manually measure my spaces. Not to mention that I have to write my ...
24
votes
1answer
15k views

Multiple Alignment in equations

The following equations need to be aligned in two spots. If I use the align* environment then the second column of alignment is pushed to the right edge of the page. I googled this and saw that ...
21
votes
2answers
7k views

Is there a difference between the `displaymath` and `equation*` environments?

The amsmath documentation says Basic LaTeX doesn’t provide an equation* environment, but rather a functionally equivalent environment named displaymath. Are they really the same or is there a ...
11
votes
2answers
10k views

How to place and number 3 short equations in one line?

I have 3 short equations which consume much vertical space, if each one is typeset in a separate line. How can I typeset them in one line in a "mathematically correct" way? I do not necessarily need ...
10
votes
4answers
60k views

Bold text and newlines inside equations.

What I'm doing: \usepackage{amsmath} \usepackage{amsthm} \usepackage{eucal} \usepackage{amssymb} \usepackage{mathrsfs} % don't know what some of those do, but i think all the math related ones are % ...
9
votes
2answers
9k 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 ...
8
votes
4answers
19k views

Avoid large spaces between text and equations

I use the options \renewcommand{\baselinestretch}{1.25} \setlength{\parskip}{0pt} \setlength{\parindent}{0pt} in the preamble of my document and most of the time the document looks like intended. ...
19
votes
6answers
6k views

Multiline equation with LHS alone on first line?

I would like my multiline equations to look like this: Left-hand-side of my equation = right-hand-side number 1 = right-hand-side number 2 = etc. I know there is a simple way to do ...
17
votes
1answer
9k views

Adding line numbers to latex and respecting equations

It's often convenient to add line numbers to a page automatically and the lineno package generally does the trick. But I've had two problems with it It doesn't seem to align the line numbers with ...
15
votes
3answers
4k views

Can I insert an image into an equation?

I would like to use a small image in an equation, where a symbol like \alpha might otherwise be. Is there a nice way to do this?
13
votes
2answers
512 views

Which packages/practices are relevant for writing Structured Derivations? (similar to Dijkstra's calculational style of proofs)

Does anyone know of any packages that support this style of writing proofs? The only things that I've found are: tex-ewd, a bunch of plain TeX macros on CTAN written specifically with Dijkstra in ...
13
votes
3answers
9k views

How to increase the spacing between equations in “gather”?

Is there a way to consistently increase the vertical spacing between equation lines in a gather (or gather*) environment from amsmath? Specifically, I want to produce something like \begin{gather*} ...
12
votes
2answers
2k views

Labelled in-line equation

I searched the internet but I cant find a solution for my problem. I want a numbered and labelled equation inside the text.Something like: The equation a+1=b (2.1) does ... The equation a+1=b ...
11
votes
1answer
6k views

Vertical spacing before and after equation environment: empty line or not?

The vertical spacing in front of and behind the amsmath equation environment is different whether I insert a blank line or not (im using KOMA-Script with parskip=half if this is important). I'd like ...
7
votes
2answers
2k views

Highlight an equation within an align environment with color option

I'd really like to do exactly what's being asked for in this question: Highlight an equation within an align environment, but with the ability to change the color when I call it, so that I could have ...
6
votes
2answers
1k views

hf-tikz doesn't box around equation

In TikZ based \boxed construct is causing pdflatex to hang it was suggested to use hf-tikz instead of manually using tikz. The documentation indicates that this package doesn't work properly for tall ...
5
votes
4answers
1k views

framed equations

I'm aware of possibilities to frame an "important" equation in Latex as the one suggested in mathmode for instance but I thought it would be nice to have a dedicated environment instead of putting ...
14
votes
2answers
962 views

Is it possible to have a “real” \belowdisplayshortskip?

I think this is a tough one. Have you ever wondered why TeX sometimes produces vertical spacing around equations that is far from satisfactory? An example: \documentclass{article} ...
12
votes
3answers
865 views

Replace the `$$ … $$` macro with the `\[ … \]` macros? - Prefer the way LaTeX lays it out, but `$` are faster to write

Is there a way to replace the $$ ... $$ macro with the \[ ... \] macros? (and replace inline mathmode as well) I realised the only way I can write the \sum_{i=1}^{10} t_i is between the \[ ... \] ...
10
votes
2answers
3k views

Equations and Double Spacing

If a document (in any class) is double spaced, how do you redefine the spacing around centered equations as if there was single spacing? Whenever I use double spacing, I feel like the space before and ...
9
votes
3answers
2k views

A vertically centered equation number on a multline environment

The multline environment does exactly what I want in splitting a long formula between lines by utilizing the horizontal space to the fullest. (I don't want the alignment features of the align ...
8
votes
2answers
271 views

How do I suppress the whitespace above an equation block at the page top?

How do I suppress the whitespace above the equation block at the page top ? It is added to the top margin, and I don't want that to happen. I know that \abovedisplayshortskip controls this for the ...
6
votes
2answers
2k views

Is it possible to re-insert a LaTeX equation by label?

Is it possible to re-insert an equation in LaTeX via referencing the original equation by label? I already know, it is possible to: reuse the original equation numbering via \tag{} as described here ...
6
votes
1answer
4k views

How to move the whole block of {align*} to the left?

I use {align*} a lot, it seems that the block of {align*} are automatically centered. How could I move the block to the left margin?
5
votes
2answers
139 views

Undersetting an arrow beneath an equation

I'm looking to add an arrow underneath an equals sign to explain the step that has been taken. See below: To achieve the arrow style that I like to use, I used \drsh from mathabx. I tried using ...
5
votes
1answer
2k views

`\hfill`-like spacing in math mode without using `align`

In question 83509, a way of getting \hfill-like behaviour in the align environment is described, but for my purposes, I need one that works in the equation environment. (I want to display some ...
15
votes
2answers
15k views

Multiple subequation labels in one \ref

I'm trying to write a macro that puts subequations' labels in parentheses in a compact form. For example, if I have \begin{subequations} \begin{align} y - ax &= b \label{subeq1}\\ x^2 + ...
10
votes
2answers
656 views

Automatically number inequalities

I have a long chain of inequalities and I would like to add some explanation for some of the steps under those inequalities. I have seen people do this like \stackrel{(i)}{\leq}. This is what I would ...
9
votes
1answer
42k views

using subequations

I have an equation consisting of two parts and would like to use subequation for that. Here's the code: \usepackage{amsmath} \begin{subequations} \begin{equation} \operatorname{min}_{a,b,c} ...
7
votes
1answer
350 views

Number quote environment like an equation

I want to put an equation number to the right of a quote (the environment) as if it was an equation. I have looked at Equations with only text in them, How can I make LaTeX number my quotes and How ...
7
votes
2answers
5k views

Writing steps in an equation

What is the "best LaTeX practices" for writing equations with multiple steps? Feel free to recommend packages that might help. Do these methods work just as well within an enumeration? Here is what ...