{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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4
votes
3answers
106 views

Equation numbers are shown in reverse parentheses

I am using \begin{equation} a = b \end{equation} to write the equations in my paper. However, the problem is that the number related to each equation is not shown in the correct format like the ...
1
vote
0answers
37 views

Multiple rows of equations [duplicate]

I'd like to know if there's a way of having multiple equations in one block of equation. Here's my first equation: \begin{equation} \binom{n}{2} + 3 = \frac{1}{2} n^2 - 2 \end{equation} Now I'd ...
6
votes
4answers
131 views

how to align equation on page

I created this equation in my thesis. But, it is too big. Half equation dont appear. How I can align it ? \documentclass[12pt,twoside,a4paper,openright]{report} \usepackage{color} ...
3
votes
2answers
57 views

Space is not working in latex

I want to have the following output . For this purpose , I have the following code . \begin{align*} Maximize \mathbf{z = x_1+2x_2+3x_3} ...
8
votes
1answer
125 views

Adding an brace at the right of equation numbering

I use the following: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation} \label{eq:solve} x^2 - 5 x + 6 = 0 \end{equation} \begin{equation} x_1 = \frac{5 + \sqrt{25 - 4 ...
0
votes
1answer
61 views

Using Text in `eqnarray` [duplicate]

I have been told that there was a way to use text within eqnarray; however, I have not been able to find or create any workable code. Any help is appreciated.
5
votes
1answer
83 views

Two different numbering styles for equations in the same document

Earlier in the document, there's some equations labeled like this: (1) (some space) \frac{1}{/2}=0.5 (2) (some space) hi Now, I want to do something like this and switch the equation number and ...
2
votes
1answer
79 views

Aligning equals signs across Beamer blocks

I've got a Beamer frame consisting of two blocks that contain some equations: \begin{frame} \frametitle{Modell} \begin{block}{A $(X_{t})$} \begin{align*} X_{t} = \epsilon_{t} \quad ...
2
votes
3answers
97 views

Aligning a set of equations with one equation number

The following set of equations cannot be aligned from left to right. Since, I need to index them just with one number, I had to use split equations: \begin{equation} \begin{split} X={}^ 2 \bar{x} + ...
6
votes
3answers
277 views

LaTeX locally change equation numbering

I want my document to look like this: Normal document text. equation (1) Definition Definition text. equation (D1) More definition text. Normal ...
4
votes
1answer
97 views

Seriously need help on how to write a lesson on Algebraic expressions and equations?

I'm a grade eight student who really needs help. I have to write a lesson/ how to paper on how to solve algebraic expressions and equations, but don't know how to start or anything! I could really ...
2
votes
1answer
42 views

Align all parts of the equation array and comment it

I would like to align all parts of the equation (Not just the '=' sign) to make it looks better and comment it afterwords. Can someone please help me. Thanks S.L. \documentclass[12pt]{article} ...
5
votes
2answers
216 views

Compress equation horizontally

Is there a command that compresses equation horizontally, so that everything is closer together in the horizontal direction? This is not for a real document but rather just for viewing and playing ...
3
votes
1answer
92 views

Write an extremely wide equation in LaTeX

How do you write an extremely wide equation in LaTeX without any type of breaks/align/. Do you need a special type of class? Can one use A3 or bigger format? It's not for printing rather just to ...
6
votes
1answer
103 views

Formatting of long equation containing a matrix?

I've a problem formatting this equation. It's containing a 5x1 matrix and the content of a cell in a matrix is pretty long. All in all it does not fit on the page. Should I use split() or is there ...
5
votes
3answers
141 views

how to overlay math text with tikz image?

I have an equation in an `align' environment. Over one of the equality sign I would like to draw an arrow (slanted, preferred) with the text on the other end being 'This is always true'. How can I use ...
4
votes
1answer
85 views

multiple equations with same number

I can't seem to make this work. I want the matrix and the second equation with the same equation number. \begin{equation} \begin{aligned} [{\bf Z}] &=\begin{bmatrix} R_1+j\omega L_1 & ...
2
votes
1answer
80 views

Mark inline equation to render as image with htlatex

Is there any way to mark some inline equation so it was rendered as pictures with htlatex? I know there is a way to make htlatex to render all inline equations as pictures, but i have many simple ...
3
votes
2answers
103 views

New \left \right delimiters

Can I introduce new delimiter symbols to use with \left and \right? For example I would like to do \begin{equation} \left\harpoonleft something \right\harpoonright \end{equation} I would then like ...
0
votes
2answers
91 views

Aligning an equation [duplicate]

I have an equation like this: \begin{equation} \begin{split} |a+bi|=\sqrt{a^2+b^2}\\ |a+bi|^2=a^2+b^2\\ |a+bi|^2=(a+bi)(a+bi)\\ =(a+bi)(a-bi)\\ =a^2+b^2i^2\\ =a^2+b^2 ...
0
votes
1answer
44 views

is there a reason not to use align?

I have plenty of equations, some of them single lined and some of them with multiple lines which I normaly using the align environment. Now my question is: Is there a reason to use equation over ...
24
votes
6answers
1k views

Is there a way to format the equation like this?

My friend is taking pre-calculus class, and I would like to create some notes for him. Is there a way I can do the following in latex? Right now I only have the very basic down. I want to make it ...
3
votes
1answer
53 views

Comments destroyed the equation's shape

I need to make some comments for every part of the equation. The result (the upper part of the figure) shown that the structure/shape/position of the equation is destroyed by the comments. Can some ...
3
votes
1answer
107 views

Bracket problems when splitting multiline equations

Basically, I have the following latex code: \begin{align*} + \left( \left[ \sum_i y_i x_i(r) - \frac{1}{n}\sum_i y_i \sum_i x_i(r) \right] \left[ \sum_i x_i^2(r) - \frac{1}{n} \left( \sum_i ...
1
vote
1answer
148 views

! You can't use `\eqno' in math mode [closed]

what is wrong with this??? please,can anyone help? \begin{equation} \label{probabilityy} P^{t}({E_{0})=P_{0}+(1-P_{0})P_{1}+ (1-P_{0})(1-P_{1})P_{2}+.......+P_{n}\Pi_{k_{0}}^{n-1}(1-P_{k}) ...
4
votes
4answers
186 views

underbrace matrix inside brackets

I would like to put an underbrace below the matrix like this: $$\left(\underbrace{ \left[\begin{array}{ccc} a&b&c\\ d&e&f\\ g&h&i \end{array}\right]}_{A} ...
6
votes
4answers
247 views

Arrow from last line of equation to the first

I would like to have something similar to the arrow in this picture: Is this possible to include without a lot of coding? At the moment the code is: \documentclass[10pt,a4paper]{scrbook} ...
2
votes
3answers
139 views

\middle too big

I'm trying to typeset an equation that contains a "|": \begin{align*} \lambda_{l} = \lim_{q \to 0^{+}}P\left(X_{2} \leq F_{2}^{(-1)}(q) \middle| X_{1} \leq F_{1}^{(-1)}(q) \right) \end{align*} ...
3
votes
2answers
72 views

Equation incl. number on the same line as theorem environment

I have this: \begin{lemma} \begin{equation} L_b \circ L_a = L_{L_b(a)} \circ L_b. \end{equation} \end{lemma} and I would like the equation to be on the same line as the lemma, with a number ...
0
votes
1answer
68 views

Multline & Splitfrac

\documentclass{article} \usepackage{amsmath} \usepackage{mathtools} \begin{document} \begin{multline*} -\dfrac{1}{64\pi^2} \left[ \dfrac{ \splitfrac{ ...
4
votes
4answers
175 views

Breaking the equation inside a fraction

I am trying to write this equation using the help provided in the link below How to break a long expression in the denominator of a fraction? Still the equation goes outside the margin. I using ...
2
votes
0answers
29 views

Multiple tags in one line of align environment [duplicate]

Is there a possibility to tag each equation of a single line in an align environment of the amsmath package? Like so (this code leads to the error Package amsmath Error: Multiple \tag.): ...
2
votes
2answers
33 views

Newline after \cases in \equation environment

I have the following problem: I have an equation environment with three different lines. The first to should be connected with a 2 line bracket. The last line should be below the two. Just like if it ...
3
votes
2answers
284 views

Write an equation, but I have a word with an accent

I want to write this equation: Peso fibra=(1,266x500)/(média 3 pesos) I used the equation environment. But, the word "média" has an accent. So, I have problems to compile my main file. How I can ...
1
vote
3answers
102 views

Spacing problem between equation and surrounding text

I want to insert formula in text and I used equation as shown: \documentclass{article} \usepackage{amsmath} \begin{document} So, $\rho : G \rightarrow GL(n,\mathbb{F})$ is representation if and ...
2
votes
1answer
55 views

How to centre an equation

When I build and view my equation it is always aligned right \begin{equation} $$\textit{N}(\textit{t}) = $\frac{P_o}{\lambda+\rho\varepsilon/\Lambda}$[1-e$^{-t(\lambda+\rho\varepsilon/\Lambda}$)]$$ ...
12
votes
2answers
277 views

diagonal text in math mode w/ vertical equality

The goal is a code where one can label elements in math mode in the following way: without having to manually position each letter of each word as a node in tikz. Preferably, other than the stacks ...
3
votes
1answer
57 views

Split environment not vertically centering equation number

I'm trying to compile the following code: \documentclass{article} \usepackage{amsmath} \newcommand{\invexpsqrt}[1]{{#1}^{- \tfrac{1}{2}}} \begin{document} \begin{align} \begin{split} \rho_{out} ...
8
votes
2answers
296 views

Boxed equation with number

My minimum working example: \documentclass{report} \usepackage{amsmath} \begin{document} \begin{center} \boxed{K_{k+1}=P_ka_{k+1}^T(a_{k+1}P_ka_{k+1}^T+I_N)^{-1}} \end{center} \end{document} ...
2
votes
1answer
75 views

Equation + explanation below

I have to write an explanation to my equation, and I would like to do it, below the equation. But, I do not know how to do that. It should look like this: My preamble look like this: ...
3
votes
1answer
33 views

Missing $ or }in split environment and cant find source of error

I simply can't find the error in my code \documentclass[12pt,a4paper]{scrartcl} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage[ngerman]{babel} \usepackage[pdftex]{graphicx} ...
6
votes
6answers
538 views

please help me fit my equation into my margins!

I have this equation. It is quite wide, and I've had to split things over two lines. However, the part to the left of the = is quite long, and it's causing me some issues. I've posted a MWE here. ...
5
votes
1answer
298 views

Superscripts and subscripts in this equation

I have this equation: g^{\mathsmaller{\left(1\right)}} \left( \tau \right) = \frac{\langle E_{\mathsmaller{s}}^{\mathsmaller{*}}\left( 0 \right) E_{\mathsmaller{s}} \left( \tau \right) ...
3
votes
2answers
41 views

Mini-alignment of a single equation?

So I have this problem, whereupon I would like to do some 'mini-alignment'. I have googled for ways to do this, but I get results based on aligning whole equations. Here is my current output: What ...
5
votes
1answer
107 views

Alignment for Multiple Equations

I have equations in two different align environments. How do I align them equally in such a way that the = sign is in the exact position following the sequence. The MWE: ...
12
votes
2answers
238 views

TikZ figure inside equation?

I was wondering if it is possible to have a TikZ graphic inside an equation, to produce something similar to
4
votes
3answers
81 views

Concerning the equation mode

I am listing a bunch of itens that are left-aligned (actually, I am using the \hspace command); then, for one of them, I need to do a definition by cases, so i'm using the equation mode and, inside ...
4
votes
2answers
67 views

How to customize vertical distance in 'underlying'

This seems to be a dummy one but I haven't found anything that works good for me. I'm working in an article and I need to get an underlined expression, like this I mean REALLY CLOSE, but, so far, ...
1
vote
1answer
48 views

bidi causes reversed parentheses in equation numbers

When writing a Hebrew document using xelatex, bidi, and polyglossia, equation numbers are in reverse parentheses. How can I fix this? MWE \documentclass[a4paper, twoside, titlepage, 11pt]{report} ...
3
votes
1answer
49 views

Placing a tikzpicture next to an align and add an equation number

I want to place a tikzpicture next to an equation and equip both of them together with an equation number. The reason is that the tikzpicture is a kind of explanation (visualization) for the equation. ...