{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
21 views

Less spacing at the end of equation lines using Split environment

Does anyone know why in the equation produced by the following code, the plus signs at the end of the first and second lines have less space on their left sides compared to the other plus signs? and ...
3
votes
2answers
624 views

How to write partial differential equation (Ex. dQ/dt=ds/dt) with real partial derivative signs?

I would like to make a partial differential equation by using the following notation: dQ/dt (without / but with a real numerator and denomenator). Earlier today I got help from this page on how to ...
41
votes
5answers
4k views

How to write a perfect equation parameters description?

A symbols or parameters description is shown below, however, the = and the details of parameter are not aligned. I want to make a parameters list for a equation like this, in which symbols, = and ...
5
votes
1answer
55 views

Subequations with main equation number

I would like to have a set of equations, all under the same number, but with a "main" equation, and some other equations that follow being labelled with subnumbers, for example 1 = 1 ...
0
votes
1answer
72 views

Writing equations with neatly defined parameters [duplicate]

I have been dealing with a multitude of equations in my thesis and it gets really repetitive defining each parameter verbally after each equation; personally I find it inefficient and at times messy. ...
3
votes
3answers
356 views

Writing partial differential equation like u_t=u_xx

I have a problem writing the heat equation in latex. I would like to write it by starting with \begin{equation} and ending with \end{equation}. I tried doing the following: \begin{equation} ...
3
votes
1answer
33 views

Equation Line with notes in between

Good day! How can I make an aligned equal sign even though I have notes in between the two equation lines? For example: a+b=c (some notes....) c+d=c+(a+b) Thanks
5
votes
1answer
113 views

align text and equations in columns in beamer

I have a beamer frame consisting of two columns (top aligned) using the [T] option. The second column contains a align equation block. Even though I am using the [T] option the column containing the ...
2
votes
1answer
115 views

missing inserted endgroup

I'm typing this equation \eta=\frac{82\cdot4\cdot1.44 \textrm{MeV}\cdot10$^-15$\textrm{m}}{2\cdot6.582\cdot 10$^-10$ \textrm{MeV}\cdot\textrm{s}\cdot0.0774\cdot2.998\cdot10$^8$\textrm{ms$^-1$}} and ...
3
votes
2answers
226 views

Multiple results for equation

How do I define a equation e.g. x +y that shall be true for e.g. <5 and >0 in one equation? I was thinking of using a large brace, but I can't find any example of how to achieve this.
3
votes
2answers
128 views

How to place the subscript under two summation signs in a fraction?

I would like to place a subscript under two summation signs in a fraction, in an equation. The code showed works when it is not in a fraction, but as soon as I use it in a fraction the subscript is ...
3
votes
1answer
114 views

Increase equation resolution in TeX4ht using accessible images or typeset text

When TeX4ht compiles my latex code it generates a png of my equation and includes this in the html file. Until a better alternative for this comes along I am quite happy with this way of ...
0
votes
1answer
84 views

How can I type this format of equation in latex? [duplicate]

I specifically want braces on right side of the set of equations in given format.
0
votes
1answer
49 views

Undefined control sequence error for equation [duplicate]

I am trying to reproduce the following equation in LaTeX: nopt(d, B) = argminn {Pt - LMI (d, n, ω + 0.5B) >= Pth } and the syntax I have used is the following: $n_{opt}\left(d, B\right) = ...
4
votes
1answer
210 views

How to decrease space above and below displayed equations [duplicate]

This is my code. \documentclass{article} \usepackage{amssymb,amsmath,amsthm,enumitem} \begin{document} How can I decrease vertical space between text above and below \$\$ \ldots \$\$ ? $$x^{2}+y^{2} ...
6
votes
2answers
295 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 ...
0
votes
0answers
17 views

special char in a latex equation [duplicate]

I don't know how to make this special char in latex equation, if anyone could please advise:
5
votes
2answers
124 views

Text within an equation

I am trying to achieve the equation shown in the figure attached below I am not getting the desired result in terms of the alignment of the text between equations and the main text. I have tried ...
2
votes
1answer
44 views

Help formatting really long equations

I have some really long differential equations and I'm having trouble figuring out how to format them the way I want. I want them to look liek this: dx/dt = blah blah blah blah dx/dt = blah ...
1
vote
1answer
83 views

Crop the image of LaTeX formula

How to automatically crop the white space (maximum thickness horizontal/vertical white border) around the formula in image, generated, say, by means of some of online LaTeX formula editors (actually I ...
5
votes
2answers
169 views

add vertical space between equations

I am using the following code to combine two equations with one number in parentheses but the two equations are very close to each other and using '\vspace{} not working How can i add a vertical ...
1
vote
1answer
108 views

Shorthand for \begin{eqnarray*} … \end{eqnarray*}

To align a long string of symbols I usually use \begin{eqnarray*} ... \end{eqnarray*}. I would like to know if there is any convenient alternative to this environment. For example, I know that ...
2
votes
2answers
87 views

Move up a text in equations

I don't know if the title explains much what I want to say, but here it is: $$ \frac{\text{XXXXX }}{\text{YYYYYYYY}} \text{(ZZZZZZZZZZZZ)} $$ I want to move up the ZZZZ sentence so that it is ...
4
votes
2answers
86 views

Control the size of an equation (in display mode)

There are several ways to show an equation. I'm trying to put a big equation in display mode (i.e.: \[ {\equation} \]) and to keep it's dimensions within the size that is reasonable, using adjustbox. ...
1
vote
1answer
54 views

How to put equation numbers in these equations while keeping them aligned with the “equal to” sign

I want to put equation numbers on these three equations. also I want them to be aligned with the"=" sign. \documentclass[12pt,a4paper]{article} \usepackage[a4paper, total={6in, 8in}]{geometry} ...
2
votes
1answer
45 views

\Aboxed with multiple & in align* environment

\Aboxed command in mathtools is used to box an equation with only one alignment operator inside. But how to box an equation with multiple align operators ? For instance, in the following equations, ...
0
votes
1answer
210 views

Pandoc equation numbering style

I use pandoc to render .pdf files from markdown. Example input: #Fudamental matrix ##Epipolar constraint in pixels (@) $$(K_{0}^{-1}x)^{T}E(K_{1}^{-1}x')=0$$ (@) ...
2
votes
1answer
87 views

equation exceeds the page border

I have the following equation which goes behind the page border: \begin{equation} P(word|name_i)= \frac{1}{\sqrt{2\pi\sigma_i^{2}}} \times ...
3
votes
2answers
137 views

Equation on same line as proof

If a proof consists of only a single, less-than-a-line-long equation, there is no reason to put the \emph{Proof.} and the equation not on the same line. How can I tell LaTex this? Here is a minimal ...
2
votes
1answer
68 views

Align equation which floats to centre

I have this code (which is based in this answer): \[ \SI{0.2}{\micro\second} = (1 - FR) * \SI{0.1}{\micro\second} + (\num{0.3} * FR) * \SI{8}{\milli\second} + (\num{0.7} * FR) * ...
3
votes
1answer
139 views

Math equation eating whitespaces and operators

I have this: $0.2 \mu sec = (1 − FR) * 0.1 \mu sec + (0.3 * FR) * 8 millisec + (0.7 * FR) * 20 millisec$ \\ and the result is that all whitespaces are gone, as well as the first minus symbol for ...
7
votes
3answers
232 views

Box with subtext in an equation

I would like to do something like the boxes in the equation below But I have no idea how to implement this in Tex. Thanks in advance!
1
vote
1answer
175 views

Latex IEEE template - Equation “otherwise” in second column

I'm trying to put an equation in IEEE latex format(two column). Following is my equation. \begin{equation} LD(a_{x},b_{y}) \begin{cases} max(x,y) \;\;\;\;\;\;\;\;\;\;\;if\; min(x,y)=0 \\ ...
4
votes
2answers
81 views

Subsequential numeration of theorems and equations

I'm writing an essay in Latex and I want to do the following thing, which I'll explain with an example. Suppose that I have a theorem 1.1 and inside it I have to specify an equation. Is there a way in ...
7
votes
1answer
91 views

Switching from equation to align changes horizontal width

I am puzzled by why changing from an equation environment to an align environment should change the horizontal width of my equation. Below I provide an example. Sorry, it is not a minimal working ...
5
votes
2answers
107 views

Aligning long set of equations

I'm trying to make a big series of equation equalities in LaTeX, however, my equation just keeps going on out of the page width. Here is what I have: $$ ...
54
votes
2answers
47k views

How to write conditional equations with one-sided curly brackets

I want to write a conditional expression such as the following. What is the best way to express such conditional expressions in Latex?
3
votes
1answer
80 views

Subequation behavior for ungrouped equations?

I have several equations at different places in my paper, and I want to number them as I would using subequations, e.g. 1.a, 1.b, 1.c, 1.d. The problem is that they do not follow each other ...
2
votes
2answers
54 views

Two Different Equations with aligned does not aligned within each

I have two different formulas where the first one doesn't aligned with the second one. I first tried align but it gave me an equation number for each line. Then I did ...
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
853 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
193 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
69 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
79 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
207 views

How to output the following equation?

What is the code to produce the following?
0
votes
1answer
131 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
77 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 (*), ..."