{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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-1
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1answer
17 views

Simple equation editing

I am writing a simple equation in my thesis: \begin{equation} \begin{align} y &= x^{k}\\ \log(y) &= \log(x^{y})\\ \log(y) &= y\log(x)\\ \frac{\log(y)}{\log(x)} &= y \end{align} ...
0
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1answer
16 views

using the soul package with equations

I use the soul package to highlight some changes in my documents for review purposes. However I can't get it to work with equations (or other environments for that matter). Basically I create a ...
1
vote
1answer
31 views

LaTex Error: Environment equation* undefined

I am trying to work on a Poisson problem (BVP) which looks like the pic above. However, when I executed my codes as below, the compiler showed that "LaTex Error: Environment equation* undefined." ...
5
votes
2answers
97 views

How to produce bmatrix in pmatrix?

I wish to produce the following: So, far I only achieved the following: \begin{equation} \begin{pmatrix} v_a\\ v_y \\ \end{pmatrix} \sim \mathcal{N} \begin{pmatrix} \bar{v}_a, & \sigma_a^2 ...
3
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1answer
75 views

Outputing matrix-vector in latex?

I have to write a formula like this: Using: \begin{equation} \left( \begin{matrix} n \\ k \end{matrix} \right) =\frac { n(n-1)\quad ...\quad (n-k+1) }{ k(k-1)...1 } \end{equation} The daum ...
0
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0answers
18 views

Problem with referencing to the the number of an equation when using arabic support of babel

Unfortunately, I have a problem when using babel with arabic. When deferring to the number of an equation, the digits are reversed. In the below document when using (\ref{eq:10}) it gives (01) instead ...
0
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0answers
15 views

How to include bold+italic font in an equation

\documentclass[a4paper,12pt,numbers=noenddot]{scrartcl} \usepackage{mathtools} \usepackage{amsmath} \begin{document} \begin{equation} \mathbf{R}_I(\mathbf{u}_{e}) = ...
0
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0answers
9 views

How do you write multiple terms on RHS enclosed in curly braces in an equation? [duplicate]

How do you implement this in latex? I can align '=' but how can I get the large curly brace and all three terms aligned properly? Please help.
1
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1answer
26 views

defining a new notation [duplicate]

To show the direct limit, I know some ways but I wish to write this inductive limit using a new command, \limind? In other words, when writing this new command I want to see this: limind, not in ...
2
votes
2answers
33 views

Typing two line brackets, with single line on right hand side

I am trying to type the equation in the photo below, but am having a hard time coming up with a solution. In addition to this, is there a neat way to make the F slightly larger than normal text?
2
votes
1answer
60 views

Is there a formal grammar for *Equations* in TeX/LaTeX?

I've looked at this and this and understand there is no grammar of TeX as a whole. I am wondering if there is a grammar just for equations. They are relatively easy to identify in an amsmath file ...
0
votes
1answer
36 views

How do I indent every line?

What I'm trying to achieve is to align all the equals signs above each other like this: E[ag(X)+bh(X)] = aE[g(X)]+bE[h(x)] = io;garo;gira = AW$aryyy = ...
0
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0answers
22 views

Large Equation with no left hand margin

I have a large fractional equation with multiple lines already in the numerator. I want to get rid of the left hand margin entirely (or almost entirely) for this equation only to try and make it fit ...
0
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0answers
23 views

Latest MiKTeX update breaks XeLaTeX + fleqn [duplicate]

I updated the MiKTeX on my system two days ago. After that, compiling my codes using XeLaTeX gives the following error: ("C:\Program Files\MiKTeX 2.9\tex\latex\base\fleqn.clo" File: fleqn.clo ...
4
votes
2answers
51 views

How can I cite one sub-equation in subeqnarray?

I defined the following subeqnarray \documentclass{article} \begin{document} \begin{subeqnarray} & a_1+b_1=c_1, \label{eq:subeq1} \\ & a_2+b_2=c_2, \label{eq:subeq2} \\ & ...
3
votes
2answers
46 views

write equation with more than one curly brace

I was trying to write the equation, but did not get enough hints in tex.stackexchange.com
6
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3answers
89 views

Aligning text to the right of matrices in math mode

I wonder how I could make LaTeX align to the right some specific descriptions I wrote about the operations I apply to matrices. For example, here is a screenshot of what I have right now but I want it ...
4
votes
3answers
276 views

Two lines in a bracket

I am facing trouble trying to enter the formula: I entered: \Bigg[ \vec{p}^T_1+\vec{p}^T_2=\vec{E}^{miss}_T, p^2_1=0, (p_1+p_l)^2=p^2_2=M^2_W, (p_1+p_l+p_{b_1})^2=(p_2+p{b_2})^2=m^2_y \Bigg] ...
1
vote
3answers
36 views

Not able to see the complete equation [duplicate]

I am trying to write an equation using this LaTeX code \begin{equation} ...
1
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3answers
80 views

Align long equation after equals sign

I see there are plenty of questions posted here with similar topics, but I can't find a solution to my question. Below is my latex code for a few equations. How can I force text on the 2nd, 3rd (and ...
2
votes
1answer
26 views

Uncentered split equations

I want my equations to start on the left with two tabs. I use \qquad\qquad for this. When I split an equation with \begin{equation*} and \begin{split}, TeX centers the equation. Any advice on how ...
1
vote
2answers
33 views

Aligned Equation Resizing? (Above or Below \textwidth)

My input: \begin{equation} \begin{aligned}[t] & \min\limits_{\bm{\Delta(P,Q),u}} & & \sum\limits_i u_i, \\ & \text{s.t.} & & (P_{min_k},Q_{min_k}) \leq (P_k,Q_k) \leq ...
1
vote
1answer
31 views

multiple subequations same line with reference

I'm trying to write several equations on one line, include a label for each equation, and also be able to view the equation number for each equation. Is this possible? I've seen several related ...
3
votes
2answers
82 views

Use different math font in inline-style and display-style formulas

I would like to use a different font in inline-style math mode ($...$) and displayed equations (e.g., \begin{equation} ... \end{equation}). Currently, I set my fonts with \setmainfont{Frutiger 45 ...
2
votes
1answer
52 views

Tagging multi line equations

Often I have a chain of equations but later on I only want to refer that the first statement is equal to the last one. There are some options to do that: \begin{align} \label{equation} a ...
12
votes
2answers
696 views

How to draw a double-ended arrow between the numerator and denominator in a frac inside a sqrt, and an arrow labeled by an otimes pointing to that?

Here's what I have, and I've hand drawn what I seeking: I'm after (a) a double-ended arrow with the two ends pointing to the numerator and denominator of a fraction under a square root, and (b) an ...
1
vote
3answers
218 views

Chemical equation in LaTeX

I am trying to create an equation in LaTeX using the following code. \delta{$^{66}$}Zn = \Bigg[ \frac{{($^{66}$Zn/ $^{64}$Zn)$_{sample}$}}{{( $^{66}$Zn/ $^{64}$Zn)$_{standard}$}} - 1 \Bigg] \times ...
1
vote
2answers
47 views

Box around equations in align environment and no indentation

I have the following code and I want to do two things to it.First, I want to have the output maximally on the left, that is I do not want any indentation of the stuff in the align environment, I want ...
3
votes
0answers
53 views

Alt Text For Equations

I know it's possible to add alt text to images, so a screen reader can read it. However, is it possible to add alt text to equations, so a screen reader can properly read an equation?
0
votes
1answer
63 views

Missing dollar inserted, cliched!

I give up, what is the mistake here?!! \begin{equation} \rp = \frac{\sqrt{|s|^{2}-\pi^{2}}}{1+\bar{z}} \end{equation} I get the error ! Missing $ inserted. <inserted text> $ l.156 \rp = ...
0
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0answers
22 views

How can I vary the left-right position of equation numbers within a document?

% %---------------------------------------------------------------------------------------------------------- % \documentclass{book} % ...
1
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2answers
33 views

Using alphabets to label equations

I have the following codes that label equations the usual way: \begin{align} \partial^2 EU/\partial \alpha \partial \widebar{d}&= U'(\epsilon)[G_{\alpha}(\alpha,\theta,\epsilon) - \widebar{P} ...
0
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1answer
43 views

Rename Equations to 14a and 14b but keep ordering

I have Equations 11, 12, 13 and so on. I want the next equations to be 14a and 14b, but the one after should again be 15, i.e., keep the ordering. I know how to tag equations, but then the equation ...
8
votes
3answers
178 views

How to input the staggered array?

How to input the staggered array as the expression like this: The expressions are in hexagonal fashion. Are there packages for this situation? thank you.
4
votes
2answers
68 views

Breqn package is causing \mathcal to not work when used along with \overset

I am trying to place \mathcal{U} over and under the symbol \gtrless using the following code: $\overset{\mathcal{U}_0}{\underset{\overline{\mathcal{U}_0}}{\gtrless}}$ However, what I am seeing is ...
2
votes
1answer
58 views

Is it possible to strikeout a whole equation or paragraph?

I have a document in which I want to strikeout whole paragraphs including all equation and eqnarray environments. Available options such as sout (from ulem) works on paragraph but not in equations. ...
6
votes
3answers
105 views

How to mark equation number but not change the reference text?

I would like to mark a few equations as special by adding an asterisk (or some other symbol) to the equation number. I accomplish this as follows: \documentclass{article} \usepackage{amsmath} ...
1
vote
1answer
52 views

File ended while scanning use of \frac

I keep receiving the error message File ended while scanning use of \frac ." and have narrowed the error down to this equation, though I can't work out why. \documentclass [12pt] {report} ...
1
vote
1answer
32 views

I am getting the following error for my code, please help

Code: $$x(t) = \left[ \begin{array}{c} i_{L1}(t)\\ i_{L2}(t)\\ v_{C1}(t)\\ v_{C2}(t)\\ i_l(t) \end{array}\right] $$ Recall that the input voltage $V_g$ is an independent voltage source and the load ...
1
vote
1answer
38 views

Left brace in align environoment [duplicate]

I would like to have a left brace around equations in the align environment. How can I do this? (I would like to use this environment because I would like to number each individual equation to be ...
3
votes
1answer
36 views

Multiple cases with automatic braces

I am writing a relation in which I need to describe the value of G(i, s, a): \documentclass{article} \usepackage {amsfonts} \usepackage {amsmath} \usepackage [margin=1in]{geometry} \usepackage ...
2
votes
1answer
18 views

align*-environment aligns parts of equation to the right with multiple ampersands

This following example aligns the last part of the equation to the right and I don't know why. What I would expected to see instead is that the last parts of both lines start directly to the right of ...
2
votes
1answer
129 views

missing $ inserted on code

I am certainly new to latex and have this error in a high frequency in my code. The error is claiming I have a missing $ sign in many places, and I imagine that my syntax usage of $ is off. My ...
1
vote
1answer
92 views

How to write system of differential equations

I need help in writing this system in LaTeX: EDIT: I need more help because I am still unable to use the provided solution. My system is: \begin{empheq}[left=\empheqlbrace]{align} ...
3
votes
3answers
80 views

How can I uncover the fraction line in beamer?

I would like to uncover elements of an equation one at a time. This is easy enough usually, but in this case I'd like to progressively reveal a fraction. The problem with the way I'm doing it is that ...
4
votes
2answers
70 views

An error in aligning several systems of linear equations using systeme

I have code to typeset four systems of linear equations. I have all the equations aligned at the equals sign. In the first equation of the second system, I have + 0 = (q-m)x + b_{1}, but I want 0 ...
2
votes
3answers
64 views

Adding labels to the equations when they are broken

\begin{align} \begin{split} \pd{EU}{\alpha} &= d(\theta) U'(\pi_{1}) [G_{\alpha}(\alpha, \theta, \epsilon) - \widebar{P} C_{\alpha}(\alpha, \theta)] \\ &+ (1-d(\theta)) ...
0
votes
0answers
26 views

Aligning the equations [duplicate]

How do I align the two equations and label them? \begin{equation} \begin{split} \pd{EU}{\alpha} &= d(\theta) U'(\pi_{1}) [G_{\alpha}(\alpha, \theta, \epsilon) - \widebar{P} C_{\alpha}(\alpha, ...
2
votes
2answers
46 views

Symbol to the right of equation

I want the contradiction symbol to the right of the equation without moving the equations to the left. I've written \begin{align*} u(2-t, 1, 3-t) & > (2,1,3) \\ 1 ...
3
votes
3answers
78 views

Arrange long multiple equations with texts between them

I have aligned the equations in the following way but using multiple \qquad. I don't think it is a good practice to do so. Moreover the equations should fit within the width of the document. What I ...