{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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5
votes
2answers
46 views

Trouble with spacing between section title and equations

I am trying to create a formula sheet so I only have section titles and equations in my documents. I am having trouble with the spacing between my section header and the equations that I want as the ...
6
votes
4answers
109 views

Align multiple equations with parts inside root

I am having trouble aligning the following inequalities in such a way that, on the right hand side, the first bracketed parts within the cube root are aligned below each other. Additionally i would ...
0
votes
1answer
34 views

I want to use {cases} in a numbered equation

\[ f(x)= \begin{cases} \frac{x^2-x}{x},& \text{if } x\geq 1\\0,& \text{otherwise} \end{cases} \] Gives me the correct output, but no equation number. If I replace the [ and ] with ...
2
votes
1answer
63 views

Underbrace an equation with its result

I have several formulas that are too long to fit into the \textwidth of my page. That's why I want them underbraced with the result-formulation beneath them. Something like this. ...
0
votes
0answers
38 views

Latex equation number starts from minus one and appears same equation number to both equations [on hold]

I am compiling a book in Latex. When I compile the book only in one chapter equations numbers are messed up. Also the equation numberes after Chapter 10 always "chapternumber.0." no increments. ...
1
vote
1answer
57 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
65 views

Labeling an equation with letters [duplicate]

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}
2
votes
2answers
38 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
votes
3answers
87 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
45 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
27 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
27 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
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.
0
votes
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
votes
1answer
49 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
29 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
109 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 ...
19
votes
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
votes
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
votes
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
vote
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
votes
1answer
30 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
36 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
vote
2answers
82 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
119 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
106 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
67 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
votes
3answers
106 views
0
votes
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
vote
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
128 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
47 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
vote
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
vote
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
169 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
30 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 ...