{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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0
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1answer
86 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 a ...
4
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1answer
202 views

Which display-style math environments allow both new lines and respond to additions of infinite horizontal space?

Consider the following example: \documentclass{article} \usepackage{amsmath} \begin{document} This is a really long line of text to show where the margins of the page are. This is a really long line ...
1
vote
1answer
953 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] = -(0)...
5
votes
2answers
899 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 ...
5
votes
2answers
575 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 \...
4
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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
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1answer
308 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
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3answers
515 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
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1answer
473 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
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1answer
2k 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 equation ...
8
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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 &= ...
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2answers
4k 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
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1answer
2k 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 ...
1
vote
1answer
177 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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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 ...
9
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1answer
7k 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
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1answer
852 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 ...
3
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1answer
1k 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 ...
2
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1answer
637 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
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2answers
375 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
457 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 ...
11
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1answer
7k 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 ...
6
votes
1answer
2k 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
437 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: \begin{...
7
votes
2answers
4k 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 ...
5
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2answers
19k 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. ...
2
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1answer
845 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 ...
6
votes
1answer
230 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 ...
4
votes
2answers
399 views

Can you use arabic letters in equations?

Making equations with greek letters is easy -- for example, $2 \gamma = 1$. But is there any way to do it with arabic letters -- something like $2 \gim = 1$? I've run out of greek letters in my ...
15
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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 ...
15
votes
2answers
56k 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? \documentclass[a4paper,11pt]{...
11
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1answer
500 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 ...
11
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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} \...
6
votes
1answer
1k views

Left-aligning equations

How do I left-align selective equation blocks, i.e. not centered ? I know how to do it for ALL equation blocks in the document setting \usepackage[fleqn]{amsmath} \setlength{\mathindent}{0pt} in ...
1
vote
0answers
50 views

Write Cyrillic in equations just like Greek letters? [duplicate]

Possible Duplicate: What packages will let me use Cyrillic characters in math mode? Is there any way to get these letters in the same way as the Greek ones? So with \theta, etc? I have looked ...
11
votes
1answer
277 views

Writing Notes, want my equations organized at the end of document

I'm writing up my textbook notes in LateX. As I am writing paragraphs, I am inserting equations while I'm writing. I want to somehow display all of my numbered equations at the end of my document ...
1
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0answers
50 views

How to make all the text in math mode non-italic [duplicate]

Possible Duplicate: Is there a way to set math mode font non-italic? I learned, that I can change the equation to not-italic, using $\mathrm{text}$. But how to make all the equations non-...
30
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4answers
65k views

Aligned equations in LaTeX

I have a long equation in LaTeX, which I need to break up into more lines. I've done this, although its not quite what I was looking for. Here is a MWE showing my problem: \documentclass[10pt]{...
6
votes
1answer
681 views

Positioning equations with tikz diagram

I'm trying to annotate an diagram of a neural network with an equation that describes the activity of each node. I can't get the equation to the upper right, where I want it to be. I've tried using ...
2
votes
1answer
176 views

dotted symbols in equations

I am writing a mathematical equation in LaTeX but want some of the symbols to be represented by dotted line segments. In practice I want to use \sqcup, which consists of three line segments, and want ...
4
votes
2answers
289 views

Writing Neater Equations

I have this problem all the time: I am trying to write a very large polynomial, but when I use eqnarray it does not look very nice. Is there a way to make it look nicer ? I am using a two column ...
6
votes
1answer
175 views

Autofit for inline equations

I am trying to use an inline equation to list bunch o tuples. However, I it does not automatically go to next line. I am doing it manually, but this time it looks ugly. By the way I am writing in a ...
8
votes
1answer
2k views

Controlling exact position of equation numbers

I'm using the fleqn option to the amsmath package to position my equations a small fixed distance from the left hand margin, rather than centred. I think it would look better if the equation numbers ...
21
votes
4answers
7k views

How to break a long expression in the denominator of a fraction?

I used the split command to break my equation but I receive the error: ! Missing } inserted. <inserted text> } l. \end {split} The code in .tex file is as follows: \begin{...
3
votes
2answers
343 views

\eqref making mistakes

Somwhere in preambula: \renewcommand{\f}[2]{\frac{#1}{#2}} \newcommand{\eqnl}[2]{\label{eq:#1} \eqn{#2}} %eqn is smthlike $$ $$ \newcommand{\eqf}[1]{\eqref{eq:#1}} Text part: Будем полагать, что \...
4
votes
1answer
722 views

Centering an equation vertically

I would like to put an equation at the center of a page in beamer (viewing the page from top to bottom rather than left to right - I already know how to center an equation going from left to right). I ...
4
votes
2answers
8k views

Sub-numbering equations within array

I'm using the array environment to give multiple definitions of some value, let's call it x. I can easily get a reference to all 3 definitions together, but I want each one to have its own reference. ...
6
votes
1answer
661 views

How to align a set of my equations?

I just wan't to align the equation like this example (Of course, I can't align these equations on the web page): ∵△ABC ≌ △A′B′C′ ∴∠ABC = ∠A′B′C′ ∠ACB = ∠A′C′B′ ∠BAC = ∠B′A′C′ If I use &, ...
9
votes
1answer
310 views

How to improve the looks of a fraction?

We may notice that the numerator and denominator in the following fraction are not aligned. And, to me it does not look good. How to align the numerator and denominator? \documentclass{article} \...
4
votes
1answer
419 views

Align multiple equations under longer equation

I want to do what this MWE would do if the hspace{-1in} actually moved that second alignment column to the left, underneath the big quadratic formula. \documentclass{article} \usepackage{amsmath} ...