{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.

learn more… | top users | synonyms (1)

3
votes
1answer
1k views

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

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}) ...
8
votes
5answers
668 views

Aligning a system of linear equations

I want to figure out how I can align a system of linear equations very nicely. At the moment I am using the following command: \systeme{x_1=2r + s -t,x_2= r, x_3=-2s +2t, x_4=s, x_5=t} But this ...
4
votes
2answers
189 views

Numbering equations as “page number.equation number”

How do you get equations numbers of the form "page number.equation number”. Is there a way to set things up so the equation command numbers this way automatically?
2
votes
3answers
66 views

Center inline equations

I want to be able to center inline displaystyle equations (I've seen this done in some math books). For example, with enumerate: 1) [centered equation] or with ...
3
votes
1answer
78 views

Why are these Multiline equations not rendered?

Here: $$\begin{alignat}{2} x(t) & = X+v\cos \theta t \\ y(t)& =Y+c\sin \theta t-\dfrac{1}{2}gt^2 \\ \end{alignat}$$ MathJax doesn't renderes it and so ShareLatex.com. Is there any ...
5
votes
2answers
320 views

\left and \right brackets way too huge!

I have an Equation written with the following code: \vec{B}(\vec{m},\vec{r}) \sim \left(\frac{3\left[\begin{pmatrix} 0\\ 0\\ m \end{pmatrix}\cdot \begin{pmatrix} \sin\theta\cos\varphi\\ ...
0
votes
1answer
54 views

I want to make an equation, but I can't get what I want on the correct lines

$$\frac{\partial u}{\partial x}(x,y)=f(x,y,u(x,y))$$ $$\frac{\partial u}{\partial y}(x,y)=g(x,y,u(x,y))$$ $$u(x_0,y_0)=u_0$$ I want to write this but as an equation, I have tried \begin{equation} ...
5
votes
1answer
206 views

How to output the following equation?

What is the code to produce the following?
0
votes
1answer
124 views

how can I display equations in (elsarticle) [closed]

Equations are not displayed correctly when using \documentclass[final,5p,times,twocolumn]{elsarticle} while they are correctly displayed with \documentclass[preprint,12pt,authoryear]{elsarticle} ...
3
votes
2answers
75 views

How to break lines of text in equation?

I have a problem with breaking lines in equation environment, can't really omit the text. I tried using \mbox and \parbox but they don't really give the effect I'm looking for. example: ...
5
votes
1answer
103 views

How to add a (*) into the align environment

How can I add a (*) to the align environment with some regular equation in the center? It's so I can type afterwards, "By (*), ..."
3
votes
1answer
59 views

Equation left margin

I have equations inside an environment which has a larger left-margin than the main text (analogous to an enumerate/itemize environment, implemented with the changepage package's adjustwidth ...
5
votes
2answers
357 views

Number of Equation: 1, 1a, 1b

Following Problem: I have a PDE and two boundary conditions what i actually want is: PDE (1) BC1 (1a) BC2 (1b) and what i have is: PDE (1) BC1 (2a) BC2 (2b) is there something which provides a ...
1
vote
1answer
42 views

Using array inside alignat to create equation legend

I want to describe the parameters in used in the equation in two columns below the equations. Something like this **** = ******* *** = ********** - - | A: ...
3
votes
1answer
66 views

Label block quote like displayed equation [duplicate]

I would like to be able to add a tag to a block quote in a more or less identical manner as one would with a displayed question. Ideally, I would also be able to use \label and \eqref (or \ref) as if ...
0
votes
0answers
25 views

squeezing the equation fonts [duplicate]

I have a set of equations which are defined below \begin{figure*}[h] \label{eq1} \begin{alignat}{2} & E_{\mathrm{access}} && = E_{\mathrm{read}} + E_{\mathrm{write}} ...
3
votes
1answer
133 views

Errors using dmath for multiline equation breaking in a table with booktabs package?

I would appreciate if you can help me find a solution/way out to the following problem. I am using the booktabs package to get a nice looking table. I have a long equation in the table which I ...
1
vote
0answers
108 views

Spacing between consecutive displayed equations

I'm trying to adjust the spacing between several display equations, without having to put them in AMS align environment. I inserted several display equations in a row, each creating its own new line, ...
4
votes
1answer
63 views

Multiple subsequent connected equations exceeding line length

How to break a number of equations like in the following example? \begin{align} \lambda \cdot \lambda \cdot \lambda \cdot \lambda \cdot \lambda \cdot \lambda\\ \beta \cdot \beta \cdot \beta ...
2
votes
1answer
70 views

Too wide line spacing?

Following the likelihood function \begin{equation} \prod_{i=1}^n E \lbrace B_{k_{i_1}} (x_{i_1}) B_{k_{i_2}} (x_{i_2}) \rbrace E [ A^2 \lambda_1^* (x_{i_1}) \lambda_2^*(x_{i_2}) \exp ...
3
votes
2answers
115 views

Equation broken into two (centered) lines with equation number in the middle of both lines

I would like to know how to break a long equation into two lines and have both lines centered. Besides, I would like to have only one equation number in the middle of both lines. Here's a MWE: ...
1
vote
2answers
79 views

Space between variables in a large equation and reduce size of powers?

\begin{equation} \resizebox{.8\hsize}{!}{$<\mathscr{F}>=\frac{\int_\Gamma d^{3\!\!N}\!\!\!q\, d^{3\!\!N}\!p\, \rho(q, p) \mathscr{F}(q, p)} {\underbrace{\int_\Gamma d^{3\!N}\! \!\!q\, ...
1
vote
1answer
53 views

equation labels for reference

How can I reference to the equations in the alignat? The equation set is \begin{alignat}{2} \sigma_1 &= x + y &\quad \sigma_2 &= \frac{x}{y} \\ \sigma_1' &= \frac{\partial x + ...
5
votes
2answers
114 views

span and align large multi-line equations

I have a set of lengthy equations and I want to span them on two columns. The code I wrote is \begin{figure*} \label{eq:eq1} \[ E_{\mathrm{access}} = E_{\mathrm{read}} + E_{\mathrm{write}} ...
3
votes
2answers
75 views

Change the size of one equation from a group of equations

This is the latex code that I am using to create three equations. I want to reduce the length of the second equation to fit in a single column. How can I resize or scale only the second equation in ...
5
votes
2answers
200 views

Multiline regression equation in Latex

Noob here. I'm trying to put together a multiline multivariate regression equation in Latex and am having some issues. $ {Unit.Sales_t} = \alpha + \beta_{1} Date_{t} + \beta_{2} Cable.TV_{t} + ...
0
votes
0answers
12 views

How to prevent font size in condition equation from getting changed [duplicate]

Below is a snippet of my latex source that prints an equation. In the attached image output, I see a significant decrease in font size in the part of the equation that is represented as in the ...
2
votes
2answers
132 views

System of equation left aligned

There is a system of equation. How to align it on the left? (second line should be started right under the first line) My code of this: $\begin{equation} \left\{\begin{aligned} \hat a \sum x^2_i + ...
3
votes
5answers
93 views

Multi-line equation with split

I have the following problem: Obviously I want the = to be aligned and I need two lines for the equation following the third =. Also I'm not so sure whether I used the \big{[} and \big{]} commands ...
2
votes
3answers
198 views

How to define vectors when used in equation

So in short I want to have something that looks like this: So far I managed to get to the following output: with the code as follows: \documentclass[12pt, a4paper] {article} ...
0
votes
0answers
14 views

Flush left equations in beamer column [duplicate]

When I do this in beamer: \begin{column}[T]{0.6\textwidth} \begin{equation} F = m a \end{equation} This is Newton's law. \end{column} the equation sits in the center of the column while the text ...
6
votes
2answers
134 views

Aligning stackrel signs beneath each other using split

I'm typesetting a proof by induction using split to align equality signs precisely beneath each other. One of the signs should have 'IH' on top of it to indicate that the induction hypothesis has been ...
7
votes
2answers
152 views

number equations according to subsections but do not display subsections without numbers

I wish to number my equations according to their (sub)section so when I reference them it shows for example (1.1) but my sections and subsections should not display their number so the section should ...
2
votes
1answer
39 views

Change horizontal spacing for subscripts in equation environment

I would like to adjust the spacing prior and after a subscript to reduce the required horizontal space. With this small mwe \documentclass{scrbook} \usepackage{amsmath} \begin{document} ...
3
votes
3answers
102 views

Comments on two parts of the equation

I would like to create 3 well aligned equations with self defined tag numbers (I call them 1, 2 and 3). After that I would like to make 2 comments for the three equations. The expected result would ...
6
votes
1answer
250 views

Cleveref's \crefrange and mixed equations and subequations

This example doesn't work with the latest version of cleveref. The line Refer to \crefrange{eqa}{eqc}. gives the output: Refer to ?? 1–3. It used to work before. Can anyone explain how to fix it? ...
4
votes
1answer
52 views

Amsmath double line equation alignment centered

I need an equation that consists of three parts (or one equation including 3 equations in total), it should look like this: My code for now gives me the following: So I would like to have the two ...
3
votes
1answer
77 views

equation number to caption

I am trying to change the number in the caption of the figure. It should be the following number of the equation. So instead of "Gleichung 0.1" i want "Gleichung 0.2" in the caption (see picture). I ...
2
votes
1answer
78 views

Equation across a double page

How can I achieve typesetting a long multiline equation across a double page, like this: ________________ | 1 | 2 | | ---- | ---- | | ---- | ---- | | E=|mc^2 | |_______|_______| ? ...
5
votes
2answers
68 views

Text formula with fixed horizontal limits

I would like to write a formula of the form $$ A = B \times C $$ where $A$ is some long phrase, e.g., ``the marginal utility of doing so and so given that we know this and that'', and $B$ and $C$ ...
10
votes
3answers
3k views

Big forward slash in math

I have a equation in from of a=VERYBIGSTUFF / VERYBIGSTUFF And I would like to have a "verybig" forward slash in the middle of them. I dont like \frac mode, as I would like to have them ...
0
votes
1answer
41 views

How can we alot the equation number in the answer box?

How can we alot the equation number in the answer box? I need to mark my equation $$\sin^x+\cos x=15$$ as $1.1.$ But i don't know how can i do this. Kindly help me to the thing so.. My work I am ...
5
votes
1answer
442 views

Reset equation numbering after each section

I would like to reset equation numbering after each section or subsection. Right now I use \setcounter{equation}{0} I saw in another page you could also reset it by adding the following line to the ...
1
vote
0answers
56 views

Problem with equation numbering, resets after ten

i have a problem with my thesis, equation numbering resets after number 10. For example, in the doc after equation 3.3.10 follows 3.3.1 and not 3.3.11. Here is my preamble ...
4
votes
2answers
48 views

How do i format the equations so that they show up aligned?

I have \begin{eqnarray*} \phi(n) = \phi(pq) = & pq - (\# of multiples of p) - (\# of multiples of q) + (\# of multiples of pq) \\ & = & pq - q - p +1 \\ & = & (p-1)(1-1) \\ ...
4
votes
2answers
36 views

Special alignment about split environment

I have some trouble in formatting my formula, so far I am able to get it look like this: What I want is this: Here is my MWE I am using split, I don't think I can use align because it will break ...
3
votes
1answer
41 views

Aligning Vertically Spaced Equations

This question is most likely a duplicate and trivial, but I ask nonetheless as it is causing frustration. I have written the following \begin{equation} \begin{split} \alpha_{a}\alpha_{b}+\alpha_{b} ...
5
votes
2answers
218 views

Equations with text and math interpersed

This is related to the question I asked here: Equations with only text in them Basically I want to have an equation with a lot of text and some math in them. I don't want to use \mbox because there ...
0
votes
2answers
171 views

how to get mathematical equations into image in latex?

how to get mathematical equations into image in latex? I want the code that convert all equations into image in the pdf file after compile the tex file.
4
votes
2answers
539 views

Choosing numbering on equations

I'm writing some course notes and through out I want to refer to the equation number in the book we are using, rather than numbering the equations within the document. In other words how can I decide ...