{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)

1
vote
0answers
45 views

Multiple equations given the same number

Without doing anything "odd" LaTeX has starting assigning the same number to different equations. It labels them fine up until 31, then it goes back to 30, then again 31, then again 31. After this it ...
0
votes
1answer
52 views

Extra Space between equation and line above that

How the distance between first line and equation and last line and equation is different. How to remove the extra space. I am using this code According to given assumption that n is a power of 2 ...
2
votes
2answers
56 views

How to use flushleft with eqnarray*?

I'm using WinEdit 9.0 along with MikeTex 2.9. My document preamble reads as follows: % ---------------------------------------------------------------- % Article Class (This is a LaTeX2e document) ...
6
votes
3answers
80 views

Equation number in aligned environment after last line

I'm using aligned inside align as follows \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align} x =&22+2 \nonumber\\ =& \begin{aligned}[t] &5+3\\ &-3+4\\ &+15-0 ...
0
votes
0answers
17 views

How to set equation number with respect to the article instead of chapter? [duplicate]

I am working on a paper which is based on a special template. I need to use the \chapter to organize by document. In each chapter, if I have \begin{equation}, the equation is number with the chapter ...
0
votes
0answers
22 views

Framing equations [duplicate]

Is there any simple way of framing an equation? I often use \framebox{$ mathematics $}, but wish to use the frame around a numbered equation, not fussed whether the numbering appears inside the frame ...
7
votes
4answers
115 views

Aligning equations with two equal signs

I am trying to write three equations, second with two equal signs. I would like the first two to be aligned by the first equal sign, and the second and third by the second equal sign. I have the ...
0
votes
0answers
21 views

different modes to typest systems of equations [duplicate]

Would it be bad style to use in displaymode an array with three colums that are right-center-left ("rcl") oriented instead of eqnarray, to typeset systems of differential of equations ? The spacing ...
0
votes
2answers
70 views

How to write an equation in LaTeX?

How do I write this equation in LaTeX? Vo = ( R1/( R1+R4)-R2/(R2+R3) ) x Vs
1
vote
1answer
54 views

Undefined control sequence with \overbar

can anyone tell me why I get an "undefined control sequence" error with the following code please? \documentclass[times]{fldauth} \usepackage{amsmath} \usepackage{amsthm, amssymb, amsfonts} ...
1
vote
2answers
55 views

Section-level equation numbers follow previous section numbering

I am using \numberwithin{equation}{subsection} to number my equations uniquely for each subsection in my article. For example: Section 1 Title 1.1 Subsection 1.1 Title a=b (1.1.1) a+2=b+2 ...
4
votes
1answer
67 views

Dashed line in equation

What I want: What I have: with this code: \documentclass[11pt, titlepage]{report} \begin{document} \begin{equation} \label{eq:quark1} \left( \begin{array}{c} u \\ c \\ t \end{array} ...
2
votes
1answer
51 views

Incompatibility between lineno and equation*

In addition to a lot of others incompatibilities, also there is one between lineno and equation*. Is there any chance to have the lineno package updated to solve this problem? Does anybody here knows ...
0
votes
2answers
35 views

Aligning two equations without losing enumeration

I have following two equations which I want to align following two equations (equality signs have to match), without losing their enumeration: \documentclass[a4paper,12pt]{report} ...
4
votes
2answers
128 views

Resizebox within equation environment

How does the resize command work with the equation environment? The following code results in an error. \begin{equation}\label{model3_coef} \resizebox{0.91\hsize}{!}{y_{t}^{3} = -145.071 - ...
0
votes
0answers
19 views

Can I display an equation in latex beamer presentation step by step? How? [duplicate]

I'm making a presentation in beamer LaTeX and I want to explain an equation. I want it to apear on the screan step by step, like I would be constructing it. Is it possible? Thanks!
6
votes
2answers
54 views

Expand arrows within an array

Any ideia of how I can expand the \xrightarrow so that they all have the same size? (for aesthetics) \documentclass{article} \usepackage{amsmath} % \text nas equacoes \usepackage{mathrsfs} ...
0
votes
0answers
38 views

Different \eqref{} styles depending on the number of arguments

I am using the following command to make references to equations of the form "Eq. (X.X)" \let\originaleqref\eqref \renewcommand{\eqref}{Eq.~\originaleqref} (see: Modify \eqref command) But there ...
1
vote
1answer
85 views

missing $ inserted in figure caption

using a formula in my figure I got this error , here is my formula, how do I correct it ? thanks a lot \begin{figure}[H] \centering \caption{Net = \sum w_{i} p_{i}} \label{fig:f7} ...
1
vote
1answer
60 views

incomplete \ifodd , all text was ignored… error

shall you please help me to know why here I have got an error ? : \begin{document} \begin{equation}\label{3-6} \begin{aligned} \overline{\epsilon}_{ij} = \frac{1}{V} \int_V \epsilon}_{ij} dV\\ ...
2
votes
1answer
41 views

missing } inserted in my formula

Latex has a missing } inserted error in my formula, I didnt see a missing thing in it : \begin{document} \begin{equation}\label{3-5} \begin{aligned} u^{_{A}}_{i}$ - $u^{_{B}}_{i}$ = ...
3
votes
2answers
66 views

Refer to the “name” of an equation, while a List of Equations is generated using these names

I link two questions below because I use their solution, to number my equations and generate a list of my equations. My question about numbering equations: Number of Equation: 1, 1a, 1b Generate a ...
4
votes
2answers
112 views

How can I set a letter in a equation both small and bold

I want to set the "\widehat{\mathbf{x}}" part smaller but I've no idea how can I do it. Any suggesting would be very grateful. \documentclass[12pt]{article} \usepackage{amsmath} \begin{document} ...
3
votes
2answers
58 views

Strange endgroup errors and enumerate errors are everywhere

I am writing a document. Problem with equations After I tried to put two equations into the document, LaTeX started giving me a whole bunch of errors such as: \begin{document} ended by ...
3
votes
3answers
79 views

how can I write these equations in 2 columns

Since the answers exist , I changed and edited my code to the setting part of it , so I could ask you to please help me , how to edit mine to be able to correctly use your codes, above all , I ...
1
vote
0answers
50 views

How to label equations effectively and efficiently?

I am writing a thesis containing a lot of equations. One problem I am facing is how to label them well enough so that it is easier to refer to them later on. Currently, I tried to name every equation. ...
1
vote
2answers
59 views

the equation number jumps to the left of the page

I wrote a code and I wonder following the regular order , the number jumps to the left of the page \documentclass[11pt,a4paper,twoside,openright]{report} \usepackage{setspace} \usepackage{graphicx} ...
1
vote
2answers
50 views

The equation number doesn't appear

I was trying to create an aligned numbering of equations, but I don't know if I am using the right order, the equation numner does not appear: \documentclass[11pt,a4paper,twoside,openright]{report} ...
6
votes
2answers
67 views

Hyperref adds vertical space to equation environment [duplicate]

When the length of the text prior to an equation environment approaches \textwidth, hyperref adds an extra vertical space, as illustrated by the following snapshot: The corresponding code is ...
2
votes
1answer
34 views

Group equations with right brace and give single equation number

i want to write equation like this a right brace to cover those equations and mark them with single equation number what modifications need to be done to my code? \begin{flalign*} &Y ...
7
votes
2answers
473 views

Write this equation in latex

I want to write this equation in latex: I need that comments be in right side. I did something like this but it has some flaws. \begin{eqnarray} \label{cons1} % \begin{aligned} ...
0
votes
1answer
70 views

Optimization formulas in LaTeX

This is the code I'm using for my optimization problem. \begin{equation} \begin{array}{rrclcl} \displaystyle \min_{w,b,\xi} & \multicolumn{3}{l}{\frac{1}{2}w^{t}w+C\sum_{i=1}^{N}{\xi_{i}}}\\ ...
2
votes
3answers
163 views

Aligning the equations and equation numbers correctly

I have the following code \documentclass{article} \usepackage{amsmath} \usepackage{amssymb} \begin{document} \begin{minipage}{16cm} Maximization:\\ \begin{minipage}{7.6cm} \begin{align} ...
4
votes
1answer
126 views

Why is there a larger vertical space after the first subequation?

I am using the subequations environment and observe non-uniform vertical spacing between subequations. Specifically, the space between the first and second equation is larger than the other spaces. ...
2
votes
1answer
75 views

Problem numbering equations properly

I'm trying to create some equations with amsmath with captions and references. I'd like to suppress the equation number in the margin. I know this can be done using the equation* environment but ...
2
votes
1answer
27 views

Equation numbers are not showing

I am writing a science report and using the format: \[ \int_{I_0}^I \frac{dI}{I} = ...etc. \label{eqn:myEquation} \] No labels are printing next to the equations If I later \ref{eqn:myEquation} it ...
2
votes
1answer
26 views

Line numbering in Equation

I need that the line numbering in an equation would be: 1, 2, 3, ... and k (instead of default numbering 1, 2, 3, 4, 5). How can I do that? MWE: \documentclass[]{article} \begin{document} ...
3
votes
2answers
155 views

amsmath's multline and fleqn

As a fleqn fanatic, I run across this problem once every week: when splitting a long formula using amsmath's multline, the middle lines are flushed left: \documentclass[fleqn]{article} ...
0
votes
1answer
26 views

Equal sign incorrectly aligns with subscript

If I type \mu_\bar{x}=\mu_x Then the equal sign aligns with the subscript \bar{x}. However, what I want is align the equal sign with the mu, which is the big character, on the left side. How ...
0
votes
1answer
263 views

Change equation number latex

I would like to quote a part of a paper and would like to keep the same numbering of equations. For example, suppose in a paper, the equation appears \begin{equation} 1 + 1 = 2 ...
3
votes
1answer
82 views

aligning equation

Regarding the enclosed MWE I would like to get the \sums aligned. But using a second & in lines two and three leads of course to a problem with line one. How do I get the desired result? (Looking ...
2
votes
1answer
71 views

Double underlining an answer while keeping the equations aligned at “=” symbol

I've just recently started using LaTeX for homework and I'm wondering how I can double underline an answer while still keeping the equations aligned at the "=" symbol? I have this piece of code: ...
2
votes
1answer
34 views

Equation shown as non existing picture with tex4ebook

I successfully compiled a tex source using tex4ebook buy none of the equation ( \begin{equation} ) is shown properly. In calibre viewer I get a blue question mark, the one for "file not found". In ...
5
votes
3answers
84 views

Formatting equations to display next to one another

I want to format my equation as follows: x = a y = b x = c y = d Below is the actual Latex code. \begin{align*} kx_{N-1}^2\lambda_{N-1}^2 &= m(x_N - x_{N-1})^2\\ ...
2
votes
1answer
39 views

Place overbrace/underbrace outside of a boxed-environment

Is there a simple way (without complex tikz or that stuff) to place an underbrace/overbrace outside of "boxed"-math environment? Would be great when the braces would have same height position outside ...
4
votes
1answer
122 views

Centered set of equations with single numbering

If I want a set of centered equations, \begin{gather} \end{gather} does the job: \begin{gather} i^2 = j^2 = k^2 = -1\\ ij = -ji = k \end{gather} If I want a set of equations with single ...
5
votes
1answer
91 views

Tikz node positioning in math-environment especially \frac

(this is my first TEX-question). I'm trying to label an equation within a tikzpicture. I did it this way: \documentclass[15pt,a4paper,headinclude, totoc]{scrartcl} ...
2
votes
1answer
25 views

Numbering equations in sections and sub-sections

In general, I would like to number equations using the sub-section number, so for example, if I am in sub-section 2.3, then it should number the first equation in this section (2.3.1). To do this, I ...
2
votes
2answers
69 views

Proper etiquette for using a lemma in a series of equations?

Suppose we have something like: \begin{equation} \begin{split} a &< b \\ ab &< bc \\ abc &> bcd \\ abcd &> bcde \end{split} \end{equation} And to get the third line, abc ...
3
votes
2answers
122 views

Aligning multiple rows and columns with different number of equations (Align environment)

I am trying to achieve the following structuring with an align environment: Each of the first two rows has 2 equations, which should be aligned. In the third and fourth row, there should be one ...