{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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Latex equation number starts from minus one and appears same equation number to both equations

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. ...
2
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1answer
24 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. ...
2
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2answers
64 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}
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2answers
32 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?
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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
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3answers
84 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 ...
1
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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
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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 ...
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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 ...
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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} - ...
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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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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
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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} ...
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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 ...
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3answers
108 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, ...
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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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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} ...
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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: ...
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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} ...
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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 ...
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
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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 \\ ...
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2answers
81 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
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2answers
118 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 ... ...
2
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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 ...
2
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1answer
63 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: ...
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3answers
106 views

Structure of Maxwell's equations and numbering in Latex

Please,how we can write this: Thank you.
4
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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 ...
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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: ...
2
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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 ...
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 ...
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} ...
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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)": ...
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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?
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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
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3answers
167 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 ...
1
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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
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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 ...
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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} = ...
7
votes
3answers
205 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} + ...
2
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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
1answer
76 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
71 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} ...
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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 ...
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 = \\ ...
5
votes
2answers
52 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
54 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 ...
3
votes
2answers
64 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
32 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 ...