{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
54 views

Numbering an array of equations

I want to do this thing in an equation array mode. Exactly same in the figure.
2
votes
2answers
57 views

Labeling an equation with letters

Is there a way to label an equation with letters instead of numbers? For instance, \begin{equation} \label{Problem} \phi'(t)=f(t, \phi(t)). \end{equation}
1
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2answers
29 views

Special treatment of equation numbers i.e. \overline or \widehat [duplicate]

Is there a way to make the equation numbers with an over line or over hat? Can this be done for just a couple equations?
2
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3answers
72 views

Equation spacing and aligning

Can anyone help me to properly align my formula in my equation-environment. I do not manage to make a space between them, to align them that the colons are over each other, and that the smaller ...
2
votes
1answer
44 views

Unnecessary vspace for align/equation when it's first on page

I'm using the align environment and now I have the problem that one of my formulas is the first object on a page with some vspace before it. But this looks a bit odd, because it isn't in line with the ...
1
vote
1answer
23 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
95 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
votes
1answer
26 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 ...
23
votes
4answers
29k 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

Equation numbering in Iguana Tex [closed]

I am preparing a power point presentation and using Iguana LaTex to insert mathematical symbols and theorems, etc. Now, every time I enclose an equation with the standard \begin{equation} - ...
0
votes
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
29 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
47 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
votes
1answer
28 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
votes
1answer
28 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
votes
1answer
38 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
107 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, ...
0
votes
0answers
3 views

Why TEX.SX has not `MathJax` add on as some his twin sites [migrated]

Hi to all and sorry if the question is off topic, but I do not know where do it. Usually, when we talk about equations in LaTeX, Why, we must do an upload of an image to explain the result. In my ...
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6answers
56k 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 ...
0
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0answers
14 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: ...
0
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1answer
69 views

Justified alignment for equations

I am writing a IEEE journal paper full of equations and with center alignment the paper looks so messy. I needed to justified align at least those that are coming successively one after another. I ...
5
votes
2answers
53 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
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2answers
64 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
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1answer
29 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
votes
1answer
35 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 \\ ...
1
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2answers
79 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 \\ ...
2
votes
2answers
117 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
104 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
62 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
12k 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 ...
0
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3answers
102 views
0
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1answer
73 views

How to shade a region outside the sphere in Tikz

I would like to graph the region given by (x-2)^2 + (y+1)^2 + z^2 > 5. So, I'm looking to draw a dashed sphere of radius sqrt(5) centered at (2,-1,0) and then shade everything outside of it. Any ...
4
votes
1answer
21 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 ...
1
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0answers
20 views

\floatfoot and equations

I am using \floatfoot to creates notes for a figure in a paper. I would like to include an equation in the notes for this figure. Specifically, I am trying to use the following code: ...
3
votes
2answers
126 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
46 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 ...
1
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1answer
29 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
votes
2answers
146 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)": ...
1
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0answers
39 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
123 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
vote
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
47 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 ...
2
votes
3answers
166 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 ...
5
votes
5answers
492 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
vote
2answers
126 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
vote
1answer
29 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
94 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
83 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
203 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
47 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 ...