{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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2
votes
3answers
78 views

How can systems be side by side with an arrow between them

Here's my problem : I'd like to a write many equivalent systems of equations. Therefore, I'd like the first to be at the left, then an arrow (\Leftrightarrow, for example, since they're equivalent ...
1
vote
1answer
57 views

Aligned and \left \right [duplicate]

The following aligned equation gives an error 'Extra }, or forgotten \right.': \begin{equation} \begin{aligned} U&=\mathbb{R}^{M N}\\ V&=\mathbb{R}^{2 M N}\\ W&=\mathbb{R}^{4 M N}\\ ...
6
votes
3answers
199 views

why does something disappear in the aligned environment?

I noticed a strange behaviour with the aligned environment: \begin{equation}\label{eq:direct_limit} \begin{aligned} [x] + [y] & := [\eta_{ik}(x) + \eta_{jk}(y)],\\ [x] \cdot r & := [x \cdot ...
2
votes
1answer
65 views

Using IEEEeqnarray environment in multiline equation

I am trying to get my equation $\begin{equation}\label{form explicitely} F_{\mathfrak{B}}(x,y)=\frac{((t^3-2t^2p+t(q+p^2)+r-pq)}{f^2}x^3+ \frac{((-3t^2+4tp- (p^2+q))}{f}x^2y+(3t-2p)xy^2-fy^3 ...
7
votes
1answer
295 views

Changing font size in equations changes superscript size in text (LATeX)

I used \DeclareMathSizes{12}{20}{14}{10} to make my equations larger than the default output of LATeX (the parameters mean, as far as I understand, {font size}{equation regular text size}{equation ...
1
vote
1answer
75 views

Force equation number to be right aligned

I'm trying to typeset some basic equations with proper numbering. I simply want a single equation to have a right aligned number in the two column environment that I'm using. I tried three approaches, ...
0
votes
0answers
16 views

Is there a way to change behaviour of a (math)command depending on the display style? [duplicate]

I want to define a command that changes behaviour depending on weather it is written in inline or disply mode. For example I want to define \backlim, such that it prints \lim_\leftarrow when used in ...
1
vote
2answers
73 views

Equation number on wrong line

Hi my equations produce their numbers on the following line as opposed to the same line. Here's an example \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation}$$ ...
3
votes
1answer
99 views

How to customize numbering in IEEEeqnarraybox?

I want a equation like this Code is below But now I can't number equations like the above as without using \cdot and (1) etc. manually. I'm so confused. Please help. Thank you. ...
1
vote
0answers
89 views

Numbering of equations in chemfig

This might be a stupid question, but how do I number my equations in chemfig? I've drawn this rather complicated equation in chemfig, but I have no idea how to number it. I was hoping to have it ...
0
votes
1answer
46 views

Equation with note and tag

Given the following set of equations as an example: `... \begin{align} x &= y^2 + 3 \\ y + 3 &= 11 \end{align}` The equations will be center aligned with respect to the "=" sign and ...
2
votes
3answers
101 views

Customize equation numbering for Equation environment?

I want to manually label equation number ? For example I want to label this equation 3.1 instead of (1) which automatically pops up. Is it also possible in split environment as well or not ? ...
3
votes
1answer
66 views

Equation causes overfull hbox

I have the following code, which causes an overfull line. I don't know how to fix this. Any ideas? \documentclass{elsarticle} \usepackage[math-style=TeX]{unicode-math} \usepackage{amsmath} ...
1
vote
0answers
90 views

how to generate Mathematica code into more-appealing LaTeX code?

Subscript[R, c] (Subscript[m, d] (g+Overscript[y, ¨]) sin(Subscript[\[Alpha], c]+Subscript[\[Theta], 1])+Subscript[k, d] cos(Subscript[\[Alpha], c]+Subscript[\[Theta], 1]) (Subscript[d, c] ...
0
votes
1answer
99 views

How to insert mathematical formula /equation in Zotero's note?

I've been exploring several reference manager by now and ends up using Zotero, because it's simplicity. previously i had mostly been using Citavi, Citavi had this feature of storing mathematical ...
3
votes
1answer
46 views

Number equations like subsections

I would like for equations to share the same counter as subsections. For example if my document is: \documentclass{article} \begin{document} \section{A} \begin{equation} 1+1=2 \end{equation} ...
1
vote
1answer
57 views

Numbered equations with additional text part 2

I would like to have numerated equations with some additional text added, where the numbering automatically increases for any next equation, with the possibility to add a different text for any ...
9
votes
5answers
608 views

Mathematica equations to LaTeX but equation is too long, how to split it?

I am new user of LaTeX. I have a problem of splitting long equation which I generate by Mathematica. I tried to use \\, multiline, and split commands but it gives error. Is there way to export ...
1
vote
1answer
75 views

Putting a number on the right hand side without using the equation or align environment? [closed]

I have a couple of lines which I wish to number and I'm hoping for something like: Text... \alignright{1} or something like that if it exists to produce Text... (1)
3
votes
1answer
47 views

In LyX, how to put the equation number on the left (instead of the right)?

I'm writing an article in LyX v.2.0.6 and am quite new to it. All numbered equations have the equation numbering appearing on the right of the equation. I should, however, place them on the left. Does ...
2
votes
1answer
104 views

Numbered equations with additional text

I would like use the following enumeration of equations: x+y=z (1.1) some text Where this enumeration is, say, given on the right side of equation. It ...
3
votes
1answer
37 views

Equation sub-numbering [duplicate]

How can I label my equations as: a = b+c (1(a)) d = f+g (1(b)) Please advice as I have used simple labeling structure \label but don't know how to handle the letters.
1
vote
1answer
104 views

Why is $ required around \oplus in a math environment?

I wrote the following: \begin{equation*} \begin{tabular}{c|c|c} P & Q & P \oplus Q \\ \hline \text{T} & \text{T} & \text{F} \\ \text{T} & \text{F} & \text{T} \\ \text{F} & ...
5
votes
2answers
107 views

line break in equation

How do I get the line to break in an equation like in the example below between starName=name and birthdate=1960. \begin{document} $\Pi_{movieTitle} \sigma_{starName = name \wedge birthDate = ...
9
votes
3answers
118 views

what is the correct way to typeset equations with a leading indicator/marker on each

I am using \begin{align*} to typeset set of equations. I want to say that the first one applies to case of dimension [T] (time), and the second for [L] (length) and the third for [M] (mass). I want ...
9
votes
2answers
200 views

Tikz figure inside equation with braces that are too large

I'm currently trying to include a tree, visualized using Tikz-qtree and Tikz into an equation. The problem I'm having is that the curly braces are way too large. The code I'm using at the moment is: ...
4
votes
1answer
66 views

Hidden reference to equation

How to make a hidden reference to an equation, such that \mathtoolsset{showonlyrefs=true} is overridden (assuming it is active)? Alternatively, how to switch off showonlyrefs temporarily (regardless ...
7
votes
2answers
170 views

How do I color one line of a display equation?

I want to color only one line of this display equation: \begin{align*} i_{fb} &= - \frac{v_o}{Z_F} \\ F(s) = \frac{i_{fb}}{v_o} &= - \frac{1}{Z_F} \\ \color{red} F(s) &= - \frac{1 + ...
5
votes
3answers
77 views

catcodes vs. autonum

I'm trying to make certain equations with large amounts of special characters more readable by playing with catcodes. This works: \documentclass[12pt]{book} \begin{document} $$ \catcode`X\active ...
3
votes
2answers
58 views

How to align terms in alignat environment (follow-up)

This is follow-up on the similar question. I still cannot figure out where to put ampersands on alignat environments. :( Here is what I generated. To enhace the readability, I want to customize ...
5
votes
1answer
534 views

problem when writing an equation with latex: missing delimiter (. inserted) \end{equation}

I tried this and that, but could not solve this problem. Here is the code that produces this error: \begin{equation} o=g(h)=\left\{\begin{array}{rcl} 1 & if & h < 0 \\ 0 & if ...
6
votes
2answers
75 views

Tabbing/horizontal placement with labeled equations

I have a string of equations, each with a label that I would like to format nicely. I want the equation labels to be at the same horizontal position and the start of the equation to be at the same ...
3
votes
1answer
64 views

Placing an object at the end of the line

I'm new in LaTeX and I'm currently faced with a problem of placing an object at the end of the line. E.g. {equation} (1.1) I wish to place (1.1) at the end of the line, and I've searched around ...
1
vote
1answer
58 views

Equations with several identities

I want to write a simple single line equation of this kind: a = b + c = d + e + f. However, when I try to add the second identity ( = ), everything on its right side does not appear in the results. ...
13
votes
1answer
126 views

How can we detect that we are right after display math mode? (for vertical spacing)

I need a "\smartmedskip" feature/macro in plain TeX which is in usual identical to \medskip, however, if we are right after display math mode, then it should be just "disabled", i.e. it should then ...
2
votes
1answer
63 views

Issue with arabxetex and equation numbers

There seems to be some issue with printing equation numbers when using the arabxetex package. Here is a minimal example: \documentclass{article} \usepackage{arabxetex} % %\usepackage{bidi} % ...
8
votes
3answers
219 views

How can I have numbered verbatim environments?

How can I have an automatically numbered verbatim environment, just like equations? I tried putting it like this: \begin{equation} \begin{verbatim} bla... bla... bla... \end{verbatim} \end{equation} ...
5
votes
3answers
160 views

Itemize equation with bullets

I am trying to place an equation ''inside'' itemize environment. Basically I would like to avoid using \begin{cases} and just represent the equation by using itemize (one bullet for each case) ...
4
votes
2answers
122 views

Customizing subequations numbering in itemized list

This is a follow-up on the question subequation numbering in itemized list. \documentclass[10pt]{article} % for fancy math \usepackage{amsmath} % rank operator \DeclareMathOperator*{\rank}{rank} % ...
6
votes
1answer
66 views

Linebreaking with \eqref and long tags

When using a long tag for an equation, is there a way to have an equivalent of \eqref that would allow LaTeX to break the reference between words, or even within words. In the example below I get ...
3
votes
1answer
143 views

splitting an equation inside curly brackets onto 2 lines without using \Big

I have a long equation: \begin{equation} \begin{split} X_{t} = mean(\left\{|Y_{t-4} - Z_{t-4}|,...,\\ |Y_{t+4} - Z_{t+4}|\right\}) \end{equation} \begin{split} that I want to ...
6
votes
1answer
100 views

How can I split and align this series of equations?

I know this is an issue that comes up frequently, but I keep running into issues using all the suggested examples (breqn, amsmath; split, align, etc). Here's what I have: ...
2
votes
1answer
67 views

Equations with justifications in angle brackets in Latex

How would I do something like this : f(x) = < Justification > x + y + a = < according to ... > abc Which math environment should I use get this kind of equations? ...
8
votes
1answer
129 views

Subscript spacing in newtxmath (comma issue)

I've found a strange behavior of newtxmath package. Using my code with documentclass[12pt]all commas are glued to the next letter, which can be hard to read: When I changedocumentclass[11pt] ...
5
votes
2answers
95 views

Unable to use systeme for a system of equations with \ldots and non-numeric coefficients

I just found in this answer: http://tex.stackexchange.com/a/35176/4011, that using the systeme package ist probably the best way to typeset a system of linear equations in LaTeX. Now I tried to ...
0
votes
0answers
35 views

Number all equations in align [duplicate]

In the align environment you can put two (or more) equations on one line: \begin{align} x+y &= 1 & x+z &= 1 \\ x+w &= 1 & w+z &= 1 \end{align} By default this results in ...
7
votes
2answers
284 views

Align equations with conditions

I am using the following equation with boundary conditions, I would like to position the equation centrally aligned and would like to keep the boundary condition to the right. But the equation is a ...
3
votes
3answers
140 views

Fit equations as same size of the text fonts

An inline equation is written with the sentence appears, It can be noticed the line spacing has been locally increased for that particular sentence containing the variable E. How to shrink the ...
1
vote
2answers
170 views

Combining numbers and letters in equation numbering LaTeX

I currently have the following equation in LaTeX: I'm trying to achieve the following in LaTeX: The problem is that I can't seem to get the numbering to start at 1a. When I use the following ...
2
votes
3answers
475 views

Larger font size in math display equation environment?

Consider the following MWE: \documentclass[a4paper,12pt]{article} \usepackage{amsmath} \usepackage{graphicx} % \scalebox % defaults seem to be: pslatex.sty:103: \DeclareMathSizes{12}{12}{9}{7} % NB: ...