{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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1answer
210 views

Unsqueeze the fraction

For the LaTeX code below, \begin{equation} Fitness(\CS)= \begin{cases} 0.5 + 0.5 \cdot G(\CS) & if\ V(\CS)=0 \\ 0.5\cdot G(\CS)-\frac{V(\CS)}{V_{Tot}(\CS)} & ...
4
votes
2answers
807 views

inline equation outside margin

My inline equation falls outside the margin. I was wondering if there is any solution for that? Here is the MWE: \documentclass[12pt,letterpaper]{article} \usepackage[utf8]{inputenc} ...
7
votes
2answers
2k views

Nested Environ's give “! Argument of … has an extra }” error

I tried using two Environ's in a nested fashion, but I get the ! Argument of \marray has an extra } error. Any idea why this happens? \documentclass{minimal} \usepackage{amsmath,environ} ...
1
vote
0answers
42 views

Need “(eq. 1)” style equation numbering [duplicate]

Possible Duplicate: Changing the apperance of equation numbers with amsmath I am editting a paper that requires the equation numbering to be of the format: F=m a (eq. 1) Is ...
3
votes
1answer
230 views

I want to put bar over a alphabet, but outside in math mode. how do I do it?

I am trying to write bar symbol with some alphabets inside \begin{equation} \end{equation} like this, \begin{equation} H \bar{k} \end{equation} I have more than one alphabet to give bar. I've ...
1
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0answers
228 views

Equation numbering lost [closed]

I'm using equation numbering in a book at section level. Somehow, after chapter 10, equation numbers turn 0 and remain that. I'm not doing anything special before that. Any clue?
0
votes
1answer
575 views

how to use converted tex from mathtype equation in texmaker? Als

I have got the following TeX equation: \[r(t)=\frac{l}{1+e\cos \theta (t)}\] Now I could not use this in Texmaker. To show the same equation Texmaker wants $ r(t )= \dfrac{l}{ 1+e cos \theta (t)} ...
8
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1answer
2k views

Altering fontsize in equations globally

I am trying to typeset all formulas in an article using \small font. If I use \DeclareMathSizes{9}{8}{6}{4}, then the size of in-line math in regular text is also changed. However, I want to redefine ...
12
votes
2answers
5k views

Increase spacing in split environment

I'm writing long equations with the split environment: \begin{equation} \begin{split} ... \\ ... \\ ... \end{split} \end{equation} The problem is that the single lines are a bit high, and there is ...
4
votes
1answer
339 views

Systems of equations in ConTeXt

In LaTeX+amsmath, I can say \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation*} \left\{ \begin{aligned} px-y-4&=0\\ 2x-2y-6m&=0 ...
3
votes
1answer
287 views

Link to equation and change text?

I am interested in linking to an equation - but being able to change the text. I had thought I could combine this answer and this answer, but I cannot seem to get it to work. I have attempted a ...
2
votes
1answer
91 views

Centering equation on a line

I am trying to center my equation on the line using this code: \[ \ l_{12} = \frac {m_{c} c_{c} \frac {dT_{c}}{dt} + m_{s} c_{s} \frac {dT_{s}}{dt}}{m_{s}} Delta t \] but I keep getting this ...
2
votes
0answers
39 views

Auto-breaking of Equation [duplicate]

Possible Duplicate: How can I split an equation over two lines I want to make my own class file having a two columns. I just want to ask if there's a possibility where we can automatically ...
3
votes
1answer
882 views

Package mathtools with showonlyrefs switch swallows parts of equation numbers in appendices

I want to use the mathtools package with showonlyrefs to achieve that only referenced equations are numbered. In the complete document I get the expected behavior for regular equations in the ...
4
votes
5answers
416 views

Double solution in equation mode

I Want to do give two solutions to an equation, and do something like that: / 0 If c = 0 => x = \ -b/a Edit: I've tried the cases environment ...
0
votes
1answer
85 views

How do I set the margins of a centered math expression? [duplicate]

Possible Duplicate: How to globally change the spacing around equations? For example, this is a paragraph \[ \frac{1}{2} \] this is a paragraph as result, I want something like this is ...
5
votes
2answers
815 views

Alignment problem with large subscript in sum

This MWE exhibits the problem I have: \documentclass{article} \usepackage{amsmath} \usepackage{mathtools} \begin{document} This is a really long line of text to show where the margins of the page ...
1
vote
1answer
845 views

Missing number treated as zero in eqnarray*

The following eqnarray* environment \begin{eqnarray*} [v,v] &=& 0\\ [v,v+0] &=& 0\\ [v,v] + [v,0] &=& 0\\ 0 + [v,0] &=& 0\\ [v,0] &=& 0\\ [0,v] = -[v,0] = ...
5
votes
2answers
520 views

Positioning of image within an equation

I have the following problem: I would like to have images of Feynman diagrams as part of equations. Using \newcommand{\imineq}[2]{ \includegraphics[height=#2ex]{#1}} I had success in as far as ...
7
votes
3answers
2k views

Have verbatim code as an equation

I have a little snippet of program code / input that needs to be rendered with the exact layout as typed in (verbatim). Is it possible to have this as an equation? I tried to nest the Verbatim ...
36
votes
2answers
124k views

How do you center equations?

I can't seem to center equations without causing some weird formatting problem. The following results in the R being dropped: \begin{center} E(R_{i,t})=E(\alpha_i)+E(\beta_{i,F_1 } ...
3
votes
2answers
4k views

How can I add an explanation under an equal sign in Lyx (/Tex)?

When I write some equation with pen and paper I usually do something like in the following picture: Is there a way to do something similar in Lyx (my working environment) /Tex ? That is: having an ...
2
votes
1answer
255 views

How to make tex appear in the middle of a line in Lyx?

When I write, for example, in Math.SE and I want some equation to appear in the middle of the line I just use $$ instead of just one dollar sign. How can I do something similir in Lyx ? doing ...
6
votes
1answer
898 views

Generating a worksheet

My objective is to be able to generate worksheets in categories like: Laws of Indices Simultaneous Linear equations and Quadratic equations When I say generate is to generate for example 20 ...
5
votes
3answers
456 views

How to keep table and equations to the left side?

\documentclass[12pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \begin{document} First find how many days between July 22 and Nov 4 ...
4
votes
1answer
442 views

How can I align equations to the left?

I looked up a template to put my homework in a nice formatting, but I can't get it to look the way I want. More specifically, I want to: Align to the middle whatever is after: \hspace{1in} .... (I ...
5
votes
1answer
1k views

Inserting a picture in an equation [duplicate]

Possible Duplicate: Can I insert an image into an equation? Is there any method to insert a picture in an equation? I am trying to write an equation where one of the elements of the ...
7
votes
2answers
3k views

Underlining an equation in an align block

I'm trying to set up a system of equations and want to underline the last equation, but can't figure it out. Here's what I have: \begin{alignat*}{4} &F_n &- mg &- F_a\sin 32^\circ &= ...
15
votes
2answers
3k views

Align Equations Over Multiple Tabular Rows

I'm trying to set up a table with some equations in it, however I would like the equations on multiple rows to be aligned properly. So far I have \begin{tabular}{cc} \hline \multicolumn{1}{l}{Header ...
5
votes
1answer
1k views

bigger parentheses in equations

I have the following TeX equation: r = (I_n - (.85) M^T)^{-1} (\frac{1 - (.85)}{5}) \cdot 1 \\ I want bigger parentheses around the term (1-(.85)/5), how can I achieve this? How can I get large ...
36
votes
11answers
9k views

Embedding LaTeX equations into a webpage

I'd like to include some basic math equations into a webpage. Is there an easy way of either compiling the LaTeX into an image which I can upload, or else of having the browser parse the code?
1
vote
1answer
173 views

How can I label for a collection of equations? [duplicate]

Possible Duplicate: Separate labels in cases I want to label each equation in a collection of equations as in the example below. How can I do this?
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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 ...
8
votes
1answer
5k views

itemize equations

I would like to itemize some equations but they don't appear on the same line as the bullets. Here is a code example. \documentclass{article} \begin{document} \begin{itemize} \item\begin{equation*} ...
7
votes
1answer
749 views

nested equations numbering

Is there a way of playing with align, alignat, numcases etc environments that produces aligned and numbered equations which look like this : Blahblah text before equations : A = B \iff C = D ...
2
votes
1answer
540 views

Number only some equations in an equation array

I have an equation array consisting of around 9 equations, however I wish to number only some of them. How can I do that?
4
votes
2answers
350 views

“Math paragraphs”: display a lot of small formulas, automatically placing line and page breaks

I have a lot of short formulas that I want to set out all together—short enough that usually two or three will fit on each line—so I would like to simply give all the formulas, and let TeX place the ...
3
votes
1answer
448 views

How to create a figure with math content

What's wrong with the following figure in the text? First, it says "amsmath: Unable to redefine math accent \vec." and then "Undefined control sequence" but neither is any helpful to me. It uses LLNCS ...
6
votes
1answer
1k views

Size of equations in tables

I'm trying to insert multiple equations in a tabular environment in LaTeX. My problem is simple yet I haven't found any particular solution to it: the equations displayed are too small, and I'd like ...
9
votes
2answers
401 views

How to put a list and an equation side by side

I'd like to get a list and an equation side by side so that I fill the page width better for aesthetic reasons, I've tried the following but doesn't compile: \begin{tabular}{cc} Known values: ...
9
votes
3answers
5k views

How to put your symbol explanation for the formula?

I have a formula written in LaTeX. What is the best way to explain what the symbols mean in the formula? For example I have this equation with a where: symbol definitions \begin{equation} ...
6
votes
2answers
3k views

Writing equations within dgroup environment

I am having a problem with writing equations using dmath and dgroup in my article. the packages I am using are \documentclass[a4paper 12pt] {article} \usepackage{breqn} The codes I am writing are ...
2
votes
1answer
675 views

Linebreaking gather (equation) environment?

Please help me to line break this gather environment. You can clearly see which line I want broken by where I've placed the split environment in my code. It's too long for 1 line. I also want it ...
11
votes
3answers
1k views

Too long equation without splitting

I am writing an equaition which is too long-wide. I don't want it to split. I tried to change the fontsize within the equation enviroment but it didn't work. I am using \documentclass[11pt]{article} ...
3
votes
2answers
14k views

How to put a formula into a table cell

I need to insert into a table cell a formula that requires the summation sign and I apparently do something wrong and the compiler just throws me back errors and I really don't know how to solve this. ...
6
votes
1answer
222 views

Subnumber equations within theorem environments but keep them intact otherwise

I want to number my equations in a manner similar to this. However, what I want is that when the equation is not within a theorem environment, there should be normal numbering 1,2,3,4. However, each ...
11
votes
1answer
449 views

Text in an equation

This is best explained by example. Suppose I have the following: \[ \begin{align*} C_3 \rightarrow 6 automorphisms\\ C_4 \rightarrow 8 automorphisms\\ C_5 \rightarrow 10 automorphisms ...
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votes
2answers
1k views

How do I show the equation formula again instead of its number of ref?

I have an equation: \begin{equation}\label{eq:equation} f(x)=x \end{equation} I would like to refer to this equation and show the whole formula again, and not only its number. In other words, I ...
10
votes
2answers
40k views

How do you make numbered equations in latex?

I would like to put in a code that automatically assigns a number to the equations in my documents preferably aligned on the right hand side. How can I go about this? ...
8
votes
2answers
1k views

Equation numbering problems in AMSMath environments with \pause

I'm writing a beamer presentation, and trying (unsuccessfully) to use \pause to step through a numbered array of equations, with the equations appearing in turn, and the corresponding numbers ...