{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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4
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504 views

Text containing math above and below equilibrium sign won't compile (using mhchem)

Why won't this compile? I suspect the math inside the []s are preventing compilation. If so how do I make this work? Thanks. \documentclass[12pt]{article} \usepackage[version=3]{mhchem} ...
4
votes
2answers
4k views

Equation: Using \left brackets inserts unwanted space [duplicate]

Possible Duplicate: Spacing around \left and \right I'm having some problems with writing down an equation in LaTeX. It's only a minor issue regarding appearance, but I'm kind of a ...
1
vote
3answers
5k views

eqnarray with subnumber

When I use eqnarray \begin{eqnarray} eq\\ eq\\ eq\\ \end{eqnarray} this show me eq (1) eq (2) eq (3) In some papers I see this output eq (1a) eq (1b) eq (1c) how I can make this way ?
2
votes
1answer
1k views

How to use \simeq in equation?

I need to use \simeq in an equation, but my code is not workin': \begin{equation}\label{m-step} P(t) \simeq {\sum_{g\in G} {\sum_{f\in F} P(t|f,g) \end{equation} Can you tell me why?
9
votes
2answers
8k 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 ...
0
votes
2answers
182 views

How to align an equation reference (1) to the right

I have a centred equation and I'd like to place a (1) on the same line as the equation, but aligned to the right, so that I can refer back to the equation in future. What I have at the moment is: ...
0
votes
2answers
2k views

How to write long equation

I want to write the following equation in such a way that right align is possible. That is all right most elements are in same column. Here left align is done. \begin{eqnarray*} y_{0}&= ...
8
votes
1answer
2k views

Multiply defined labels using hyperref

I'm using the stackrel command to indicate important steps in the transformation of formulas. E.g. I would write: A\stackrel{(!)}{=}B so that I can later explain in text why exactly A equals B. I've ...
8
votes
2answers
831 views

How to punctuate multiline equations?

This might be off topic, yet I wouldn't know where else to ask. I want to keep up with the good habit of punctuating displayed equations. For example I know the comma (,) is compulsory in Here, we ...
0
votes
2answers
6k views

Smaller \lbrace than expected [duplicate]

Possible Duplicate: How do I format this equation in LaTeX? \begin{equation} p_{GL}= \lbrace \begin{array}{@{} l c @{}} 0.59p_R+0.3p_G+0.11p_B & \text{p es un pixel del fuego} \\ 0 ...
7
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2answers
605 views

How do I format this equation in LaTeX?

I want to write this equation in Latex. Sorry, I don't know what's the specific name of this kind of equation. I know title is so general.
2
votes
1answer
333 views

Issue with subequation enviroment

I use the following code \begin{subequations} \begin{equation} \mid H(j\omega) \mid = \frac{\omega CR}{\sqrt{1+(\omega CR)^2}} \label{subeqn:amplitude} \end{equation} \begin{equation} ...
10
votes
2answers
862 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 ...
6
votes
2answers
3k views

Reduce white space before and after multicols environment

I wonder how to reduce the vertical space before and after a multicols environment. I have something like below \begin{multicols}{3} { \begin{equation}\sum F_x = 0\end{equation} ...
9
votes
2answers
2k views

Compact collapsing of equations and paragraphs

I want to duplicate the compact look of G. K. Batchelor's fluid dynamics book. Where a paragraph terminates such that the mathematical expression can collapse up into the vertical space of the ...
1
vote
0answers
70 views

Referring to a whole eqnarray [duplicate]

Possible Duplicate: numbering few equations together I've got an eqnarray with multiple equations and a label on it, e.g.: \begin{eqnarray} \hat{\delta}(q_0,\epsilon) & = & ...
19
votes
4answers
8k views

Making a new environment combining equation and split

I'm trying to define a new environment that consists of a split environment inside an equation environment. But I'm getting an error. Here's what I'm doing: \documentclass[a4paper,12pt]{article} ...
1
vote
1answer
6k views

Left-align {align} environment

I have a problem writing my report in LaTeX. I dearly need this block of equations to be aligned on the left side of the page, in fact I want all my equations to be left-aligned and have the option of ...
2
votes
2answers
2k views

How to align if-condition in equation systems

I use this environment for an equation system: \newenvironment{sistema}{\left\lbrace\begin{array}{@{}l@{}}}{\end{array}\right.} But in this way the "if-conditions" are not aligned, as an example: ...
2
votes
1answer
791 views

Redefining the amsmath equation* environment

For the background to this, see my previous question I've been trying to make changes in my LaTeX document so that math displays in black and text in red. Thanks to Stefan Kottwitz and Torbjørn T. ...
4
votes
2answers
406 views

Making \[ and \] behave as \begin{gather*} and \end{gather*}

I'm trying to redefine \[ and \] so that they behave as \begin{gather*} and end{gather*}. I've been doing this using \DeclareRobustCommmand; however, when I try to compile the following minimal ...
5
votes
1answer
811 views

Equations lining up and labeling

I'm trying to line up multiple equations next to each other and have them all properly labeled. There is another question discussing this exact problem. Unfortunately, all the solutions proposed there ...
15
votes
2answers
8k 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 ...
24
votes
1answer
5k views

Flexible equation, align, multline environment

I'm looking for a command (say \foo{}) or pair of commands (say \foos, \fooe) that behave like: equation environment if there is no \\ nor & multline if there is a single \\ align if there are ...
5
votes
2answers
1k views

Adding labels to a formula

I have a diagram like this, explaining a formula: \documentclass{article} \usepackage{stackrel} \begin{document} $\stackrel[e+f+g+h^i]{a^b}{c d}$ \end{document} For this example, I have removed ...
3
votes
2answers
729 views

Amsmath, spacing, left alignment

It was recommended that I include amsmath package to use \tag{} (which works). When I do this however, it somehow changes my predefined spacing; I would like everything to be left aligned, no left ...
13
votes
2answers
2k views

Displaystyle fractions in a system of equations

I'm trying to define an environment to use with equations' systems. So far, the best solution was \newenironment{eqsys}{\begin{equation}\begin{cases}}{\end{cases}\end{equation}} but I noticed that ...
3
votes
1answer
602 views

Trouble with the showkeys package

I am using showkeys package in LaTeX so my labels inside \[ \] math statements show up. Usually \[ \] does not show any numbering, I both want to use \[ \], and numbering, this was the only solution ...
5
votes
3answers
261 views

How to number equations and floating materials by page number

I am somewhat intrigued by question Something like \enumerate, but with custom numbers at each \item, which mentions a book where each question is numbered by its page number and the question number. ...
3
votes
1answer
663 views

Align Environment and Spacing [duplicate]

Possible Duplicate: Blank lines in align environment When I put a blank line between a line of text and the align environment, it will add two blank lines instead. It seems that the align ...
10
votes
4answers
11k views

Which one should I use: \begin{align} or \begin{aligned}?

Which one should I use: \begin{align} or \begin{aligned}?
3
votes
2answers
913 views

“Trackchanges”: respecting the equation environment

I am using trackchanges for monitoring changes in a LaTeX document. I have a problem when compiling a trackchange tag with a equation environment embedded into it. Here is a .tex file which compiles ...
5
votes
2answers
246 views

How to number a set of equations separately from another set?

How can I number a set of equations separately from another set? For example, if we have a file with this contents: \documentclass{report} \usepackage{amsmath} \begin{document} \begin{equation} ...
1
vote
0answers
209 views

Custom Equation Numbering [duplicate]

Possible Duplicate: Label equation with a symbol I wanted to know if there a way to create your own custom markings for equation numbering instead of the automatic numbering. Preferably, I ...
0
votes
1answer
866 views

Long formula alignment inside breqn with tabs?

It aligns the formula to the left-hand-side but I would like to get tabs here-and-there. How can I get tabs inside breqn or is there some package to do it automatically? $ cat test.tex % breqn -pkg ...
11
votes
1answer
2k views

Referencing subequations with cleveref

I try to refer to the parent number of subequations with \cref from the cleveref package. However, I would like to change the output "eq. (...)" into "eqs. (...)" when I refer to parent numbers ...
2
votes
1answer
277 views

Why using pdf we get better results than using dvi?

In How can I auto adjust a equation to appear in the entire page? (Scale to equations, is this exist?) I asked how I could change the equation sizes. Nothing seemed to work. But the problem was I was ...
6
votes
2answers
4k views

How to export a equation as a image without background?

For example, if we have a equation on a file like: \documentclass[12pt]{standalone} \usepackage{varwidth} \usepackage[utf8x]{inputenc} \usepackage[T1]{fontenc} \usepackage{amsmath, amssymb, ...
2
votes
1answer
334 views

Unwanted line breaks after equation tag when using fleqn and leqno

When you use fleqn and leqno and assign your own equations tags with \tag to equations in environments such as gather and align and you assign a tag with a certain length, then there's a line break ...
13
votes
1answer
5k views

How can I position equation numbers always to the left side?

Equations and amsmath environments put equation numbers to the right side by default, the output of \begin{multline} some equation \end{multline} is: equation (number) How can I change it this ...
4
votes
2answers
802 views

System of linear equations wobbles

I tried to illustrate how to solve a system of linear equations but I don't come along with the different approaches to position the equations. They are shifted at some slides, e.g. if an arrow is ...
2
votes
1answer
3k views

Beamer color overlay in equation environment

I want to use this overly command <2->\alert<2> inside an equation environment to color some terms. How can I do this?
11
votes
4answers
8k views

How to show two groups of equations side by side: one implies the other?

I would like to show a bunch of equations can imply another bunch of equations, with double right arrow in between. Here are two trials of mine: one is to use another level of math mode to enclose the ...
1
vote
2answers
2k views

Presenting a long linear regression equation

I am using the following code to have a long linear regression model in my two-column latex file. I have used figure * to avoid the overlapping of the equation with the second column. However, it ...
6
votes
1answer
1k views

Proof Split Over Two Pages

I have a proof that should take up only just over half a page; however, when I compile it, only the first few sentences appear in the bottom half of the page where my proof starts, and the rest is ...
2
votes
2answers
497 views

How can I align text, a diagram and a set of equations at the top?

I used the right environment + commands but I don't understand why my "1." the top of the diagram and the first line of the equation don't line up. Whatever else follows doesn't have to be aligned but ...
7
votes
2answers
973 views

Equation environment definition

Where is the full definition of the equation environment? I cannot find it in the .cls files. Is this in latex.ltx? Or something?
5
votes
2answers
242 views

Applying breqn in bulk to typeset a math book for my kindle?

I'm trying to typeset this book for my Kindle: http://linear.ups.edu/ Unfortunately some of the equations result in overfull hboxes, and I can't read them. Though I've managed to manually convert ...
7
votes
2answers
4k views

Using the same number for repeated use of the same equation

I'm a LyX beginner so please don't worry about stating the obvious. I'm numbering equations by section in my document. That's working fine. However, when I refer to the same equation later on in the ...
6
votes
2answers
3k views

placement of QED symbol on numbered equation line

This question is both on LaTeX and on mathematics writing style; I hope that's still apropriate here. I have a proof that ends with a (right) numbered equation, and I'm pondering about where to put ...