{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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“Escaping” Linux kernel version in latex

I'm trying to include a kernel version info (i.e. \texttt{2.6.40.4-5.fc15.x86_64}) in my LaTeX document. However, LaTeX keeps trying to put it into "math-text" ("Missing $ inserted" and so on). How ...
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3answers
11k views

Make equations large

I'm including some equations in my document, but want them to appear very large. I have them in display mode, as opposed to inline mode, but can't seem to find any way to make them larger. I've tried ...
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5answers
1k views

How to align the equal signs in this equation such that the first line and last 2 lines align

so I have an equation below. My latex code for it is: \begin{align*} CoJPoD_{ \{I_1, \cdots, I_{k-1}, I_{k+1}, \cdots, I_{n}\} | I_{k} } = CoJPoD_{ \{system \backslash I_{k}\} | I_k} \\ = ...
10
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3answers
277 views

Alignment in math equations

How can I align my equations as in the image below? I know \begin{equation} \begin{split} x_1'(t) &= x_1(t)+2 x_2(t) \\ x_2'(t) &= 3 x_1(t) \end{split} ...
10
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4answers
296 views

Splitting a formula

What is the best way to split an overlong formula such as the following one to multiple lines: \documentclass{scrartcl} \usepackage{amsmath} \begin{document} \begin{eqnarray} P2‘‘ &=& ...
10
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3answers
886 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} ...
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4answers
4k 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 ...
10
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1answer
273 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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2answers
516 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 ...
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3answers
5k views

How to provide a definition for symbols in a LaTeX math equation?

Say I have an equation: x = R + E What's the best way to provide a definition for R and E? Is there a way to include a line under the equation saying what the variables mean (i.e. a "where" ...
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3answers
6k views

Uncover a multiline equation with beamer

I am using the beamer class for a presentation and amsmath package for the math mode. If I uncover the formula in the following way, the formula jumps between slides, which is not intended. ...
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1answer
171 views

How can I add circles and arrows in linear equation systems?

How can I write a linear equation system that uses circles and arrows to indicate what should be added on each line. This is what I have so far: $S = \begin{cases} x_1+2x_2 - 2x_3 = 1 \\ ...
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1answer
317 views

How to vertically align underbraces

I am trying to balance underbraces in the equation below, how can I ensure that both underbraces at the same depth? \begin{equation} y = \underbrace{ \left [ x^2 + r^2 (a^2+\frac{a^{0.3}}{b}) ...
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1answer
132 views

Is this a known issue with the centering of eqnarray?

In this example, \documentclass{article} \begin{document} \begin{eqnarray*} A&=&B,\\ C&=&D,\\ E&=&F, \end{eqnarray*} \begin{eqnarray*} A&=&\mathord{B,}\\ ...
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2answers
4k views

Using “cases” inside “equation” gives error[with “amsmath” loaded]

I'm trying to use the cases environment inside an equation environment. The sample code is quite simple: \begin{equation*} X(\omega) = \begin{cases} 1 \text{se $\omega ...
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2answers
577 views

Which is the preferred command for equations in LaTeX?

While browsing some of the older questions I learned that I should not use $$. I also learned that I blamed LaTeX for obscure error messages that can be prevented by using \( and \). I started to ...
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3answers
712 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 ...
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1answer
240 views

Chemical equation with “●” symbol

How to write this equation (the ● is like the +). I'm using {chemist} package for ordinary equations. ROO● + AH → ROOH + A●
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2answers
621 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 ...
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2answers
2k 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 ...
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1answer
479 views

Bad position equation number Lualatex

If a math display is too wide, then the \eqno appears on the next line on the left instead of on the right as it should. Does anyone know how to solve this problem? This is an example: ...
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1answer
748 views

How to show work on binary number addition/conversion

I'm doing various operations with binary numbers for my Discrete Mathematics hw and I'm not quite sure how to render it because I need to show my work. This is an image of something I've been trying ...
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2answers
399 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 ...
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1answer
310 views

Correct alignment of multiple-line inequality

I want to display a set of inequalities to look like the code below this is the lower bound ≤ this is the thing to be bounded ≤ this is the upper bound My attempt to do this is the following: ...
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2answers
345 views

equation, equation number and itemize bullet all on the same line

I think the following sample says it all. I need to get the item bullet in the right place on the same line as the equation, and have this followed by an normal equation number. Someone asked the ...
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2answers
617 views

Horizontal alignment within an equation using Tikz

I am trying to center horizontally the first terms of a system of equations inside the alignat environment. I don't know if Tikz is the right way to go, but as I might have to add some other ...
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1answer
371 views

What would be the appropriate technique for typesetting a “where” list of variable specifications after an equation?

I'm often finding I need to lay out an equation in a manner resembling the following source: \begin{align*} x = y + z \end{align*} where $y = $ the value of $y$; $z = $ the value of $z$. ...
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1answer
200 views

Double subscript problem

The code \DeclareMathOperator*{\FAggregate}{F} \begin{equation} q_k'(e) = \FAggregate\limits_{a \in R}_a (q_k(S(a))) \end{equation} causes a problem with an additional _a. What I want is the a to ...
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2answers
5k views

A lateral brace to group a set of equations with labels

I have a set of equations that I'd like to display together (as an example, the Maxwell's equations). Requirement #1: I'd like to have them labelled like in an align environment \begin{align} ...
10
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2answers
323 views

Modify eqnarray to match that of amsmath's align

This is a follow-up question to \eqnarray vs \align. Sadly, some journals (and their accompanying document classes) still require the use of eqnarray to arrange a number of equations in a single ...
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5answers
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How to subtract two equations?

I am trying to subtract one equation from another but I can't get it to display the way that I want. This is what I have right now. \begin{align*} &y&=2x+5\\ -&&\\ ...
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5answers
521 views

Mathematica equations to LaTeX but equation is too long, how to split it?

I am new user of LaTeX. I have a problem of splitting long equation which I generate by Mathematica. I tried to use \\, multiline, and split commands but it gives error. Is there way to export ...
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4answers
611 views

Align denominator of fraction to left

The highlighted part has the equation centred, which looks rather imbalance with the top equation, is it possible to align the highlighted part to the left? Below is the code I am using. ...
9
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4answers
121 views

Aligning mathematical inequalities

I want to align the following at the inequality signs, however it becomes very ugly: \begin{alignat*}{2} ...
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3answers
617 views

How can I number a few equations together

i would like to write few equations, but all the equations will get only once numbered and in the middle (right side) of the equations. e.q. if i write 3 equations, the number will be to the right of ...
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3answers
417 views

How do I typeset a chemical reaction equation? I want to have a long “=”

I am new to LaTeX. I searched ctan.org, but didn't find what I want. I want to typeset a chemical reaction equation. The = mark seems too short. I need a long one. I tried to add an option 2cm to get ...
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2answers
580 views

Writing equation in LaTeX: some part are mysterious to me :)

I would like to write in LaTeX two equations: and I do not know how to do that...Particularly, how to write stuff underneath the max function. And also how to have this line over Wi or Wj. PS: ...
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2answers
608 views

How to format Maxwell equations?

Is there a variant of split environment from amsmath package which would allow for two aligned equations in a row? I want to format two pairs of Maxwell equations in two rows and put single equation ...
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3answers
2k views

How to Make Theorems and Equations Share Numbering

How do I make theorems and equations share numbering? The default numbering system goes like this: Theorem 1. Blah blah blah... 1=0+1 (1) Theorem 2. More blahs... Theorem 3. No more ...
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2answers
169 views

Equation number in an array

I want to put the equation number at the right for the following code: \[ \log{y_{i}} = \left\{ \begin{array}{l l} y_{2i}^{*} & \quad \textrm{if $y_{2i}^{*}\succ0$}\\ 0 & \quad ...
9
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2answers
227 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
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3answers
267 views

Writing an equation with the units positioned off right

Okay so I have a have a lot of equations in the document I am writing and I am trying to display the units of an equation off to the right. I was wondering how I can achieve this? Right now, all I ...
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2answers
2k views

Change equation font to Times New Roman?

How would I change equation font in the \begin{equation} environment to Times? For instance, I use this code in LaTeX: \begin{equation} \begin{split} {L_{CML}}\left( \theta \right) ...
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votes
4answers
244 views

Depth and height confusion

I create two equations: $x \notin \mathbb{N}$; and $x \in \mathbb{N}$. As it turns out, both have the same depth value: Depth = 0.39098pt Height = 7.5pt Depth = 0.39098pt Height = 6.88889pt ...
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2answers
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Horizontal spacing after equation

I have the following snipped in my LaTeX document: \begin{align} \sum_{j=1}^{m}x_{ij} &= 1 \text{ for } i = 1,2,...,n \sum_{i \in P_k}x_{ij} &\leq 1 \text{ for } j = 1,2,...,m \text{; } ...
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2answers
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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 ...
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5answers
3k views

Diagonal strikeout starting too low and ending too high

I want to strikeout an equation with diagonal line but I've not managed to get the diagonal line to draw as I want. The closest I've gotten is via the first example in Frédéric's answer of \cancel ...
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2answers
397 views

A large amount of text below the sum or product sign

I want some advice about how to format it better if I have to write a long text below a $\sum$ or a $\prod$ sign. Basically I want to explain the restriction over which the sum or the product is being ...
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2answers
3k views

Putting equations in \intertext to annotate a proof

I'm trying to typeset a proof with Latex. When I do proofs, I like to alternate between a line of text, to explain each step, and the resulting equation. I also like to have the equations align at the ...
9
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3answers
109 views

what is the correct way to typeset equations with a leading indicator/marker on each

I am using \begin{align*} to typeset set of equations. I want to say that the first one applies to case of dimension [T] (time), and the second for [L] (length) and the third for [M] (mass). I want ...