{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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2
votes
1answer
34 views

Equation shown as non existing picture with tex4ebook

I successfully compiled a tex source using tex4ebook buy none of the equation ( \begin{equation} ) is shown properly. In calibre viewer I get a blue question mark, the one for "file not found". In ...
2
votes
1answer
36 views

Place overbrace/underbrace outside of a boxed-environment

Is there a simple way (without complex tikz or that stuff) to place an underbrace/overbrace outside of "boxed"-math environment? Would be great when the braces would have same height position outside ...
4
votes
1answer
115 views

Centered set of equations with single numbering

If I want a set of centered equations, \begin{gather} \end{gather} does the job: \begin{gather} i^2 = j^2 = k^2 = -1\\ ij = -ji = k \end{gather} If I want a set of equations with single ...
2
votes
1answer
151 views

Extremely long equations giving overfull hbox

I am using wxMaxima for doing homework. I have extremely long mathematical equations. I exported my work to a .tex file. But now I have several overfull bad box warnings. I tried to use geometry ...
5
votes
1answer
86 views

Tikz node positioning in math-environment especially \frac

(this is my first TEX-question). I'm trying to label an equation within a tikzpicture. I did it this way: \documentclass[15pt,a4paper,headinclude, totoc]{scrartcl} ...
13
votes
2answers
454 views

Which packages/practices are relevant for writing Structured Derivations? (similar to Dijkstra's calculational style of proofs)

Does anyone know of any packages that support this style of writing proofs? The only things that I've found are: tex-ewd, a bunch of plain TeX macros on CTAN written specifically with Dijkstra in ...
2
votes
1answer
25 views

Numbering equations in sections and sub-sections

In general, I would like to number equations using the sub-section number, so for example, if I am in sub-section 2.3, then it should number the first equation in this section (2.3.1). To do this, I ...
2
votes
2answers
66 views

Proper etiquette for using a lemma in a series of equations?

Suppose we have something like: \begin{equation} \begin{split} a &< b \\ ab &< bc \\ abc &> bcd \\ abcd &> bcde \end{split} \end{equation} And to get the third line, abc ...
3
votes
2answers
110 views

Aligning multiple rows and columns with different number of equations (Align environment)

I am trying to achieve the following structuring with an align environment: Each of the first two rows has 2 equations, which should be aligned. In the third and fourth row, there should be one ...
3
votes
1answer
170 views

How to close \Big( with an invisible bracket?

When then opening and closing of a bracket are not on the same line, LaTeX demands 'invisible' brackets or it will get confused and not compile. Example: \begin{equation} \begin{aligned} A = 5 ...
8
votes
2answers
137 views

New environment for boxed equations

I would like to define new environments to highlight certain equations in some way. For example, I would like a highlighted equation to appear in red text or with a box around it. I have the red text ...
5
votes
2answers
89 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
133 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 ...
3
votes
1answer
78 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. ...
1
vote
1answer
71 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
95 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
53 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?
3
votes
3answers
105 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
57 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
42 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
126 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
36 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 ...
27
votes
4answers
41k 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
39 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
68 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
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
votes
1answer
81 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
45 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
205 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, ...
22
votes
6answers
65k 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
17 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
votes
2answers
64 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
71 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
39 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
49 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
105 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
203 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
138 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
101 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: ...
17
votes
1answer
14k 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
125 views
4
votes
1answer
27 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
135 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
65 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
33 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
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)": ...
1
vote
0answers
49 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
142 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
19 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 ...