{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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6
votes
3answers
520 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 ...
18
votes
6answers
4k views

Multiline equation with LHS alone on first line?

I would like my multiline equations to look like this: Left-hand-side of my equation = right-hand-side number 1 = right-hand-side number 2 = etc. I know there is a simple way to do ...
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
3answers
150 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 ...
3
votes
1answer
93 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 ...
5
votes
2answers
222 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 ...
6
votes
1answer
105 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 ...
3
votes
2answers
106 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 ...
4
votes
1answer
88 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
84 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 ...
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 ...
0
votes
1answer
45 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 ...
8
votes
2answers
298 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} ...
3
votes
1answer
55 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
119 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
205 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
219 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} ...
12
votes
2answers
283 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 ...
6
votes
4answers
255 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
144 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
74 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
81 views

Multline & Splitfrac

\documentclass{article} \usepackage{amsmath} \usepackage{mathtools} \begin{document} \begin{multline*} -\dfrac{1}{64\pi^2} \left[ \dfrac{ \splitfrac{ ...
4
votes
4answers
178 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
30 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.): ...
3
votes
2answers
286 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 ...
2
votes
1answer
56 views

How to centre an equation

When I build and view my equation it is always aligned right \begin{equation} $$\textit{N}(\textit{t}) = $\frac{P_o}{\lambda+\rho\varepsilon/\Lambda}$[1-e$^{-t(\lambda+\rho\varepsilon/\Lambda}$)]$$ ...
10
votes
5answers
2k views

Moving the equation number up

In what's below, the equation numbering is annoying and forcing it to move up would be a solution. Anyway what are your suggestions to fix this without modifying the equations? ...
3
votes
1answer
61 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} ...
2
votes
1answer
77 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
35 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
545 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
310 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
111 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
244 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
82 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 ...
5
votes
2answers
77 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, ...
3
votes
1answer
53 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. ...
0
votes
0answers
22 views

Math equation problem help [duplicate]

I got the following message based on the code below, any one tell me how to debug it: ! Missing $ inserted. $ My code is: \documentclass[11pt]{article} \usepackage{amsmath} \usepackage{amssymb} ...
0
votes
0answers
44 views

Math equation bug [duplicate]

I have the following formula, the problem is that once I add \begin{equation} ...\end{equation} I receive an error message, but If I add the same formula between two $..$ it is work properly. any one ...
5
votes
1answer
60 views

Tips on ways to mark important equations/statements in a thesis/paper

I'm writing my masters thesis and in it I have a set of examples for different chapters which I separate from the rest of the thesis by a mdframed-box. Furthermore, I have a set of equation that are ...
8
votes
1answer
147 views

Equation number for each row of a matrix equation

Is it possible to give an equation number to each row of a matrix equation? How could I have equation labels in the vein of subequation numbers, one for each row of the matrix equation? Here, I'd ...
2
votes
1answer
59 views

Eqnarray help (disadvantage) when breaking across columns

I'm a first time TeX user and had typed out certain (long) equations in a single column format for submission to a journal (that part worked fine). Unfortunately, I accidentally missed the fact (!) ...
3
votes
1answer
64 views

Positioning equation number not working

In this example the equation number is even below the equation itself. I thought a [t] of [m/c] option could position the number. Doesn't work. How can I get the equation number to be at the top, ...
0
votes
1answer
38 views

Equation subnumbers in IEEEtrantools?

I'm using subnumbers in IEEEtrantools: \documentclass{article} \usepackage{IEEEtrantools} \begin{document} Numbered equation: \begin{IEEEeqnarray}{rCl} a & = & b \;. \label{eq:tTy} ...
6
votes
2answers
208 views

How do I modify an equation with a long numerator and a normal denominator?

I have a long equation from Mathematica with very long numerator and normal elements of denominator. \begin{equation} P_1(t)= \frac{\exp \left(-\frac{1}{4} t \left(\sqrt{-6 \lambda _{\text{G1}} \mu ...
6
votes
1answer
70 views

\eqref for systems

Is there anyway to create a single label for a system of equations instead of just one, such that I can recall it? I've done this but the result doesn't totally make sense. ...
9
votes
2answers
111 views

Incorrect reference to the equation number in algorithm2e

I want equation number in an algorithm with chapter number included. Here is my code. \documentclass{book} \usepackage{amsmath,amssymb,amsthm, latexsym,float,epsfig,subfig} ...
2
votes
2answers
162 views

Equivalence arrow in LaTeX

I have an equation like \documentclass[12pt,a4paper]{report} \usepackage[latin1]{inputenc} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsthm} \begin{document} ...
3
votes
1answer
103 views

How to left-align particular equations using own environment?

I'm trying to left align particular equations. To do that I created a new environment (because I need it a few times). Now, I found that there are various options to do that: using the fleqn option ...