{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
39 views

Leftalign, align and have only one number

I have an equation that I want to leftalign. Also I needed to split this equation due to its length and since we are talking only about one equation, I want to give this equation only one number, not ...
2
votes
1answer
119 views

Syntax of Using Math Mode: Empty Lines (Beginner Question)

I'm just starting to learn LaTeX. I tried typing \begin{equation*} (sample of different operators and symbols separated with \,) \end{equation*} and I got a whole bunch of errors. It seems LaTeX ...
3
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1answer
35 views

Missing } inserted when using \begin{matrix}

I created following equation with an online generator, however it doesn't work on texmaker. \begin{equation} p_{ij}=\left\{\begin{matrix} \frac{\tau_{ij}^{\alpha}}{a\sum _{l\in ...
26
votes
4answers
37k views

Reducing font size in equation

I wanted to type an equation in LaTeX. But it is too long to fit into one line. It involves big arrays with many columns so I cannot split it. I wanted to reduce the font size so that it can fit in ...
0
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0answers
26 views

What is the meaning of \[ … \] [duplicate]

In a tex document, I have come across \[ ... \] (the dots is actually a formula) and I don't know what the \[ and \], respectively, stand for, nor how I could google for it.
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0answers
37 views

How can I separate the lines in this formula?

I'm trying to write the following formula on different lines due to its length. I did the following: \begin{multiline} ...
0
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1answer
63 views

Numbering equations

If I am writing a LaTeX document on TexMaker and I want to number my equation but most probably I will be adding details later on and I do not want to fall into retyping it all over again. So if for ...
2
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1answer
37 views

How Equation label in \begin{cases}

I would like to present the below equation using equation numbers. But it does not show it in the pdf file. Has anybody an idea? Thanks \[ \varphi(x,y) = \begin{cases} \label{ch:five:sec:5:eq4:1} ...
2
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1answer
66 views

How to split a 2 columns paper for a big formula

A have a 2 column paper, and I have a big formula like: \documentclass[twocolumn,article,a4paper]{memoir} \usepackage{amsmath} \begin{document} Therefore, triplets of the sensory score for aroma of ...
0
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1answer
43 views

Moving part of equation to next line

I have an equation: \begin{equation} MMAV1 = \frac{1}{N} \sum_{n=1}^N \omega_n|x_n|, \\ \omega_n = \begin{cases} 1 & if 0.25N \leq n \leq 0.75N \\ 0.5 & otherwise \\ \end{cases} ...
4
votes
3answers
161 views

Aligning more than two columns with alignedat?

Consider this MWE, modified from Aligning conditions in cases environment: \documentclass{article} \usepackage{amsmath} \begin{document} \[ f(x) = \left\{\begin{alignedat}{3} & mx^2 +nx +1, ...
21
votes
6answers
61k views

How to align a set of multiline equations

I am trying to align a set of long equations, that are themselves align environments as most of them are spreading on multiple lines. Currently I just have a sequence of align environments, with ...
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0answers
16 views

including references in an equation environment

This is probably not common but I wonder how one could include a citation in the equation environment for example I would like to do something like this: ...
5
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2answers
57 views

Center the terms in an equation?

I have the following equation: Notice how the last two terms are not centered? If I use the code specified below, I would get that effect. Now, what I would like to have is the effect shown in the ...
1
vote
2answers
70 views

How to deal with very long formulas

I have a very long formula that does not fit in the page. What should I do? Here is the code: \listfiles \documentclass[oneside,12pt]{scrartcl} \usepackage[ngerman]{babel} %\usepackage{amsmath} ...
2
votes
1answer
34 views

Left align 3 different equations

I would like to left align three different equations of three different lengths. As of now I am using this code: \begin{equation} log_{10}M_{200} = ...
0
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1answer
43 views

Proper way of formatting equation strings

In much of my writing, I end up formatting relatively long strings of equations; for example, \begin{align*} M &= \int_0^1\int_0^{\sqrt{1-y^2}}\int_0^{\sqrt{1-x^2-y^2}}x\,dz\,dx\,dy \\ ...
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2answers
99 views

Piecewise-defined functions

I'm trying to write these four piecewise-defined functions. I wrote this code: \begin{equation} \theta = \begin{cases} \theta r + Se \left( \theta s - \theta r \right) & Hp < 0 \\ ...
3
votes
2answers
164 views

Removing the brackets around equation numbering

I am using the equation environment with the amsmath package. I would like to remove the brackets on each side of the equation numbering. I would like to have my equation labelled as 1, 2, 3 ... ...
4
votes
2answers
121 views

putting frame on a column of a matrix

I have a matrix written as following: \begin{equation} A={ \begin{pmatrix} 1 & -1 & 0 & 0 & 0 & \dots\\ 0 & 1 & -1 & 0 & 0 &\dots\\ 1 & 0 & -1 ...
2
votes
1answer
93 views

Handling long equations with multline

So I'm writing a report for my final year engineering project. I've got some very long equations that I'm having to handle and I'm fairly new to LaTeX. The equation I'm trying to split is: ...
16
votes
1answer
13k views

Placing equation numbers on the right

I am new to TeX and am using scribtex to write a maths paper. When I put the followng code, the equation number is automatically displayed on the left, instead of in the right as is usually done. What ...
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3answers
118 views
4
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1answer
26 views

Apparent conflict between eledmac/eledpar and the environment equation*

I want to make a bilingual book with parallel pages containing equations. I use XeTeX with eledpar, eledmac, and amsmath. My problem is about a strange behavior of the alignment of equations inside ...
3
votes
2answers
134 views

Align Multiple Equations with multiple expressions

Here what i have done so far. I want the middle space to reduce a bit. \documentclass[10pt]{article} \usepackage{amsmath, amsthm, amssymb} \begin{document} \begin{align} \Vert\mathbf{R}\Vert_F^2 ...
2
votes
2answers
56 views

How to expand \align mode into two pages by following the end line of the previous page

I have a big matrix and each element of it has many stuff. The problem I'm facing is that the align mode is trying to make each equation to be fitted into one page. For example, in the following code ...
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1answer
32 views

Centering equation while placing the “for” section to the utmost right

I would like to know how I can center the equation, but place the "for i=1,...,p" to the utmost right. \begin{align} \label{meth:regular:lin:phoneydata} ...
4
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2answers
151 views

Can I use something like “$$” in hbox?

I've written a my own little script system for generating homeworks & tests using a database of problems. Below is one particular problem which is giving me a issue for the last option, "d)": ...
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0answers
45 views

Automatically Wrap Equations

Is there a LaTeX plugin that automatically wraps equations that are too wide, or is this something I must always do manually?
2
votes
2answers
136 views

How to reduce the size of the equation

I wish to put two equations into one line using minipage, but they are too wide, any solution for reducing the size of the equation without removing words so that I can put into one line to reduce ...
1
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0answers
18 views

Change horizontal alignment of equation tags [duplicate]

By default, equation numbering seems to left align. However, I would like instead to indent the equation number just slightly. The motivation for this is to align the equation number with the body ...
2
votes
2answers
55 views

How to make equation display the equation number on the left

When using equation, it shows the equation number on the right of the equation. I want the number (1) to show to the left of the equation: The code used for generating it is: $$\mbox{\sc ...
3
votes
3answers
175 views

A brace in an equation to say both variables are equal to the same value

Say I had; \begin{equation} \begin{cases} x = 0 \\ y = 0 \\ z = 0 \end{cases} \qquad \text{and} \qquad \begin{cases} x = a \\ y = a \\ z = b ...
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votes
5answers
510 views

How to format the case equation to look nicer?

I want to typeset the equation in my beamer frame: This is my solution and of course, it doesn't look well. And my code is : \[ \parbox[c][2cm]{2cm}{Attainable \\ GFlops/sec} = ...
1
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2answers
153 views

Nested equations with curly braces on the right

I'm trying to write a nested system of equations with a curly brace on the right of each system, some text and then another curly brace which covers all other systems. However, the rightmost curly ...
1
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1answer
39 views

size of framed environment in memoir

I am using the memoir package and the 'framed' environment. It seems that the vertical white spacing differs depending whether it is a single equation or the 'multiline' environment. Please, compare ...
6
votes
1answer
147 views

Number quote environment like an equation

I want to put an equation number to the right of a quote (the environment) as if it was an equation. I have looked at Equations with only text in them, How can I make LaTeX number my quotes and How ...
3
votes
2answers
104 views

Equation number at the right of first line with multline

This is very similar to A vertically centered equation number on a multline environment, but the answers won't apply to my case it seems. I have \begin{multline} X = \\ ...
7
votes
3answers
304 views

All letters upright in math mode (equivalent to \rm)

I'm using the document class scrartcl and I'm looking for a way to write equations in which all letters are upright like it appears when using \rm. \begin{equation} \rm A_{something} + ...
1
vote
2answers
69 views

Properly align two very long lines in multlined

How do I get rid of the indentation of the second line? I would like the two lines to be aligned to each other. I had thought that both having maximum width, the first being left-aligned, the second ...
2
votes
1answer
112 views

how to write multiline equation with right brace alone

I am wrting this equation with \begin{eqnarray} u_k^{n+1}=\argmin_{u_k \epsilon X} \left\lbrace \alpha \left|\left|\partial_t\left[\left(\delta(t)+\frac{j}{\pi ...
4
votes
1answer
98 views

Number equations inside enumerate

How can I get begin{equation} numbers to be of the form (1.2), where 1 is the current enumerate item, and 2 is the equation number? M(not)WE: \documentclass[]{article} \usepackage{amsmath} ...
2
votes
2answers
2k views

Enumeration of equations in the double dollar math mode

How introduce enumeration of equations in the double dollar math mode (i.e. $$...$$)? Or even better, is it possible to make $$...$$ as a particular math environment, e.g. equation or align?
2
votes
3answers
131 views

List of equations, including equation contents and caption

I would like to automatically generate a list of equations present in the document, which includes the equation itself. Here is a MWE: \documentclass{article} \def\caption#1{} \begin{document} First ...
5
votes
2answers
68 views

Having two braces which refer to a set of equations and its initial conditions on the same line

Say I have; \usepackage{amsmath} \begin{equation} \begin{cases} \dot x = 2z + xy \\ \dot y = 4xy - z\\ \dot z = -5z \end{cases} \end{equation} \begin{equation} ...
3
votes
1answer
64 views

How to align separate equations to one side

I'm writing several separate equations using \begin{equation*} equations in here \end{equation*} \begin{equation*} equations in here \end{equation*} \begin{equation*} equations in here ...
5
votes
2answers
109 views

How can you number equations manually?

How to number equations manually? I'm making a presentation on a chapter, so would like my equations to be numbered as in the book, and not necessarily from the first equation in the chapter, for ...
3
votes
2answers
72 views

Splitting equation in align environment

I am attaching a picture of what I want to achieve. I am trying to use align* environment, and I've read all related questions to this, but with no luck. Can someone tell me a way which gives a result ...
2
votes
2answers
34 views

Use Labels to show equations

I want to be able to create many equations, say $a+b=c$ and $c+d=e$, save the equation as a variable but not have the equation be displayed. I simply want to have the ability to use the label/variable ...
2
votes
1answer
58 views

Labeling an equation without making it center aligned [closed]

I know that we can use the \tag{label} command to label an equation. However using this makes an equation center aligned. How do I keep the equation left aligned and still have a tag for the equation? ...