{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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2
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1answer
3k views

Lstlistings: Getting pretty equations in display mode

I am currently trying to print my algorithms using the listings package. For clarity I always try to display the more complex mathematical expressions as formula instead of plain code. This results in ...
25
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2answers
4k views

Should one use thousands separators in equations?

I understand that this is not strictly a TeX question but I have recently been asked to correct an equation presented as the first example in the image below to that of the second example i.e., to use ...
2
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3answers
627 views

displaymath/split environment with three columns

I am writing the following equation: \begin{displaymath} \begin{split} MA &= MAAMB + MACAMB\\ \Leftrightarrow MA &= (MAAM + MACAM)B\\ \Leftrightarrow (MAAM + MACAM)^{-1}MA &= B ...
10
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1answer
1k views

How to organize labels when there are too many equations?

I'm writing a moderately long text using LaTeX, and it's great to be able to organize chapters, sections, appendices, and everything else almost automatically. One thing has been bothering me though. ...
1
vote
1answer
164 views

Hanging Indents in Tables for Equations

I currently have the following code \begin{center} \begin{tabular}{l|p{5in}} Differential Equation & $(1273628x^{4} + 1237129387x^{3} + 12831729x^{2})f'''(x) + (9x^{3} + 12392183012938120x^{2} ...
17
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1answer
9k views

How to reference equations using letters and numbers

Sometimes it is convenient to refer to a group of equations by a letter and a number. For example: 2+1 (A1) 2+4 (A2) x^4 (B3) x^e (B4) Placing ...
4
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1answer
252 views

Chemical equation in the website header?

How was the chemical equation created that can be seen in the website header (picture) next to the big {TeX}-sign (left) and below the sindarin(?) part? I assume this was done using TeX somehow ...
4
votes
2answers
274 views

A problem about \xxxdisplayskip

I try to decrease the \abovedisplayskip and \belowdisplayskip to 3pt for save paper while equation including "large" math formulas has less sep between surrounding text than "normal" math formulas, ...
7
votes
2answers
2k views

Hide all images, listings and equations?

is there any way to hide all images, equations and all listings (embedded by using lstlisting package) manually by setting a certain command in the preamble? It would just be interesting to see how ...
6
votes
1answer
353 views

How to prevent \baselinestretch from affecting the math mode?

Changing \baselinestretch will affect the distance between two adjacent rows. How to avoid this? \documentclass{book} \usepackage[a6paper,vmargin=15mm,hmargin=5mm]{geometry} ...
0
votes
2answers
2k views

Trouble with multicol

I'm trying to use multicol to create a formula sheet with two columns. I have specified the use of such columns, and their position, but when I compile they come out one after the other rather than ...
3
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1answer
786 views

Breaking formulas before and after binary operators

Page 195 of the TeXBook reads: Although formulas within a paragraph always break after binary operations and relations, displayed formulas always break before binary operations and relations. ...
5
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1answer
887 views

Using the displaymath shorthand \[ \] for equation or align instead

I want to be able to use the \[ ... \] shorthand to enter either the equation or align environment instead of the displaymath environment. Is it possible to do this? I know you can define new ...
12
votes
2answers
2k views

How do I produce Theorems and equations which are numbered by hand?

I'd like to be able to write a LaTex document with numbered theorems and equations, but I would like not to have them numbered automatically, but rather put in by hand. Ideally, I'd like to be able ...
2
votes
2answers
318 views

Unable to include equation featuring special symbols

I am designing an article, and using the amsmath package. I tried to use the following to include an equation in my document: \begin{equation} |\psi\rangle = \alpha|0\rangle + \beta|1\rangle ...
12
votes
3answers
1k views

polytopes as inequalities sistem solutions in R3 (x-y-z) cartesian space

i'm here to ask if there's a TikZ/pgf support to draw areas resulting from a system of linear inequalities, into a xyz cartesian space. i found examples of my needs for xy plan at How to plot polygon ...
7
votes
2answers
550 views

How to show a placeholder instead of an equation?

I am looking for functionality similar to the endfloat package but for equations. Instead of displaying an equation I would like to display a placeholder such as [equation 1 here] Does anyone know ...
17
votes
2answers
855 views

How do I discard a portion of an equation number when cross-referencing?

I am writing a LaTeX document in which I number equations within sections. Thus, in my preamble I have \makeatletter \@addtoreset {equation}{section} ...
6
votes
1answer
214 views

The same height of text in a large document

I’m typesetting a large document that contains a lot of mathematics. The only problem is that the height of text on some pages that ends with a displayed formula is less than (about 3-6mm) the height ...
42
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3answers
4k views

Which command should I use for displayed equations?

A number of related questions have already been asked about this issue: align vs equation which is preferable to what to do with this hyperref note on amsmath and even eqnarray vs align But I'm ...
1
vote
1answer
419 views

Using \jot crashes \intertext’s spacing

As mentioned in Intertext vertical spacing, there seems to be some inconsistencies in spacing around AMS’ macro \intertext, even without changing the length of \jot. But if I’m using a longer \jot to ...
4
votes
1answer
1k views

I used eqnarray ignorantly and now must change all to align.. any solutions?

Other than manually going over all the dozen plus instances where I ignorantly used eqnarray must all be changed to align. I first tried doing a finad replace all and replaced align, and then, for ...
3
votes
1answer
124 views

alignment of symbols [duplicate]

I tried to align the equation and have some text on the equal sign. But it turns out that the equal sign that has text over it is no longer aligned to previous one anymore (I believe it is the text ...
2
votes
1answer
296 views

Vertically asymmetric matrices

I am noticing an odd problem with LaTeX that causes matrices and arrays that I compile to have a whitespace gap at the top of the array. When I use the same code as others online, I produce different ...
4
votes
1answer
1k views

Best practice for annotation in lines of align for derivation?

When presenting a lengthy mathematical derivation that draws upon previously introduced theorems or equations, it is good practice to write down the derivation line for line (e.g. using the align ...
50
votes
3answers
79k views

Show equation number only once in align environment

I want the equation number to be shown only at the last line, or better, somewhere in the middle of all. So instead of (1), (2), ... only (1). I use \begin{align} ... \end{align}
3
votes
2answers
1k views

How to turn equation tags off by default?

I'm writing a document in which very few of the equations actually need tags. So instead of using starred environments, I would much prefer to exchange the meaning of the starred with the non-starred ...
4
votes
1answer
158 views

Code inside an equation environment is executed 4 times (or isn't it?).

I created a small example: \documentclass[a4paper,12pt]{article} \usepackage{amsmath} \usepackage[pdfstartview=FitH]{hyperref} \usepackage{bookmark} \begin{document} one line \newcounter{test} ...
3
votes
2answers
363 views

equation positioning problem

With this code: \documentclass{article} \begin{document} \rm \setlength{\parindent}{1cm} Estimatorul nonparametric pentru functia de distributie cumulative, $F(x)$, in punctul $x$ este raportul de ...
9
votes
1answer
3k views

Extra vertical space between aligned equations in ConTeXt?

In LaTeX, I can use \\[3mm] for example, to put extra vertical space, if I think it will improve the readability of displayed, aligned equations. And in fact I find I do this quite a bit. But what ...
1
vote
2answers
316 views

LaTeX equation positioning problem

With this portion of code \rm \setlength{\parindent}{1cm} Estimatorul nonparametric pentru functia de distributie cumulative, $F(x)$, in punctul $x$ este raportul de puncte intermediare care sunt mai ...
8
votes
3answers
1k views

Diagram displayed as an equation

Sorry to ask a direct question like that but: how can you do that ? Is it a complicated use of align ? Is it really and equation (mathmode) ?
2
votes
2answers
2k views

alignment of text between 2 lines in align*

I have this: \begin{align*} &f(1) = -11 & &\mbox{while q satisfies} &q(1) = 11,\\ &f(-2) = 20 & &\mbox{} &q(-1) = 20 \end{align*} which puts the text "while" ...
5
votes
2answers
1k views

How to make equations, figures and theorems use the same numbering scheme

It was asked a while ago how to make equation use the same counter as a theorem for example and one solution was to make the theorem counter use the equation instead by using ...
2
votes
1answer
985 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 ...
3
votes
1answer
2k views

An environment to change the vertical space around a formula

Specially in beamer presentations, I use a custom environment to change the vertical space around a formula. The code is: \newenvironment{shrinkeq}[1] { \bgroup ...
1
vote
1answer
484 views

Alignat issue - extra space in one line

My code looks like this: \begin{alignat}{2} \theta^2&\equiv\frac{2m a^2\epsilon}{\hbar^2},\ \lambda&\equiv&\theta^{\frac{2p}{p+1}}\frac{E}{\epsilon},\\ ...
7
votes
1answer
5k views

aligning a multiline formula with the bullet of itemize

I would like to use a multiline equation into an itemized list, but such that the bullet of the list is aligned with the first line of my equation. The current code I use is like this: ...
11
votes
2answers
212 views

How do I make “gather” object, place its self in the text, the same way as an equation object?

Assuming the amsmath package is installed. I found a difference between the way that an equation object and a gather object is embedded within the text. If an equation is beneath a line of text that ...
3
votes
1answer
161 views

Fitting display math with luatex?

I took a latex file and edited it to be more readable on my phone. Specifically, I used the geometry package to typeset it on pages measuring 3x4. I set the text to be left justified to keep words ...
16
votes
2answers
979 views

Suppress equation number when not refered to [duplicate]

Is is possible to use only equation or align environments without the * and then automatically suppress the equation number if there is nothing refering to that equation? It would make the LaTeX-life ...
6
votes
1answer
413 views

Itemized Equation

I am new to latex, so please pardon me if this question seems trivial. I am writing a document and write equations in \begin{equation} ... \end{equation} since I would like the equations to be ...
5
votes
2answers
422 views

Is it possible to tweak the alignment of an equation when it is broken using breqn?

I have a looooooooong displaymath that I'm using breqn to break into smaller chunks. As there are no actual relation symbols, I've manually added \allowbreak everywhere I'd be happy for one to occur ...
8
votes
1answer
2k views

Centering xymatrix in equation environment

The xymatrix diagram does not seem to vertically align when grouped in an equation environment. For example, this code produces the following image (which seems to place the xymatrix 2.5em lower than ...
3
votes
2answers
379 views

Double braces in equation

I'm trying to create the attached image formulae. But I don't know how to get the double braces to work. This is my attempt with only single brace. x(t_n) = \left\{ \begin{array}{l l} 0 ...
15
votes
1answer
9k views

Span formula over multiple pages.

I've looked through the search but I couldn't find what I specifically want. I have the following \begin{equation} \begin{split} Very long equation \end{split} \end{equation} Now, I have half a ...
6
votes
2answers
239 views

How to get the equation to look in a required format?

I am still new in LaTeX - beginner. How can I have the equation to look like this (the example is shown in ms word): Lexical level: f o x + plural (‘+’ is a morpheme boundary) Surface level: ...
5
votes
2answers
2k views

Complicated alignment within multiline equation

I'm having trouble getting the desired alignment behavior in a set of "sets" that I'm typesetting. I have a bunch of set definitions of the form $$U = \{\text{$x$ $|$ $x$ satisfies some ...
4
votes
1answer
940 views

Multiple equation numbers for a tikz picture

I am attempting to draw two related exact sequences in the same tikz picture, for alignment purposes. I currently have wrapped the tikzpicture environment in an equation environment, so that both ...
0
votes
1answer
860 views

Split equation problem

I would like to split the following equation in two parts. Very basic thing, seems to be. \begin{equation} \zeta_k(x) = \frac{\sin (\frac{1}{2} (x - x_0)) \cdots \sin(\frac{1}{2} (x-x_{k-1}))} { ...