3
votes
3answers
83 views

How can I split this equation?

Does anyone know how to split this equation in two lines? \begin{equation*} \iint_S \eta = \iint_S \left[F(x(u,v), y(u,v), z(u,v)) \ \frac{\partial(x,y)}{\partial(u,v)} + G(x(u,v), y(u,v), z(u,v)) \ ...
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} ...
1
vote
1answer
229 views

how to change spacing between align environments and equation environments?

I am using align and environment for various equations. There is some space that comes before and after the equations that I would like to minimize. Is there a single command that could be used to ...
4
votes
2answers
135 views

Two kinds of equation labels within one paper

I have looked high and low for an answer to the following (including on this site, Google, etc.) without success, and I hope someone may be able to answer it (and if it is a repeat of something ...
4
votes
1answer
63 views

Personal remark environment after an equation

I have the following remark environment: \newenvironment{rem}[1][]{% \vspace{8pt}\small% \begin{list}{}{% \setlength{\leftmargin}{\parindent}% \setlength{\rightmargin}{\parindent}}% ...
3
votes
2answers
126 views

Centering an item in cases environment [duplicate]

I wish to center the 1 in the following LaTeX code: \begin{align*} v'(k,\CS)= \begin{cases} \displaystyle\frac{G_{max}(k){-}q_k'(CS)}{G_{max}(k){-}\Gmin(k)} & \text{if }G_{max}(k) {\neq} ...
2
votes
1answer
119 views

Math-mode inception: creating a list environment for individually referenced equations

I'm trying to create a list-like environment properties that could be used as such: \begin{properties} \item[Lemonade Rule] \forall \text{lemons} \exists \text{lemonade} \item a^2 + b^2 = c^2 ...
0
votes
1answer
122 views

Can't use \left. … \right| in a custom environment

I'm writing a Hebrew (RTL) document with equations and I compile it with xelatex. The equation numbers are wrong and I have found that placing \LTR tag before the equation fix this. I have created an ...
2
votes
2answers
1k views

Create environment out of eqnarray with frame box

Could you help me to create an environment out of this code: \smallskip\centering\framebox[0.9\textwidth]{ \begin{minipage}[c]{0.8\textwidth} \begin{eqnarray} I & = & ...
5
votes
2answers
368 views

Multiple split equations

I find myself again and again using a combination of the gather and aligned environments. So it would be nice to not have to write so much. In particular, it is often only clear after writing the ...
1
vote
2answers
999 views

Enumeration of equations in the double dollar math mode

How introduce enumeration of equations in the double dollar math mode (i.e. $$...$$)? Or even better, is it possible to make $$...$$ as a particular math environment, e.g. equation or align?
7
votes
2answers
957 views

Nested Environ's give “! Argument of … has an extra }” error

I tried using two Environ's in a nested fashion, but I get the ! Argument of \marray has an extra } error. Any idea why this happens? \documentclass{minimal} \usepackage{amsmath,environ} ...
5
votes
1answer
864 views

Equations in fancy boxes

I've checked the post here, where the package empheq is used for embedding equations into coloured boxes. With that idea, I wrote in my file the following: % in the preambule \usepackage{empheq} ...
4
votes
1answer
290 views

Numbering sequent proofs like equations

I am trying to reproduce some very old articles for use in an anthology. Some of these articles present certain rules of inference as proofs in sequent calculus, but number them along with equations, ...
12
votes
3answers
8k views

Curly brace behind equations

I have the following question: I like to have a big curly brace behind the equations to show that they belong together and have only one equation number. An example without the brace would be ...
2
votes
1answer
603 views

Redefining the amsmath equation* environment

For the background to this, see my previous question I've been trying to make changes in my LaTeX document so that math displays in black and text in red. Thanks to Stefan Kottwitz and Torbjørn T. ...
4
votes
2answers
369 views

Making \[ and \] behave as \begin{gather*} and \end{gather*}

I'm trying to redefine \[ and \] so that they behave as \begin{gather*} and end{gather*}. I've been doing this using \DeclareRobustCommmand; however, when I try to compile the following minimal ...
13
votes
2answers
2k views

Displaystyle fractions in a system of equations

I'm trying to define an environment to use with equations' systems. So far, the best solution was \newenironment{eqsys}{\begin{equation}\begin{cases}}{\end{cases}\end{equation}} but I noticed that ...
5
votes
3answers
2k views

Have verbatim code as an equation

I have a little snippet of program code / input that needs to be rendered with the exact layout as typed in (verbatim). Is it possible to have this as an equation? I tried to nest the Verbatim ...
4
votes
1answer
156 views

Code inside an equation environment is executed 4 times (or isn't it?).

I created a small example: \documentclass[a4paper,12pt]{article} \usepackage{amsmath} \usepackage[pdfstartview=FitH]{hyperref} \usepackage{bookmark} \begin{document} one line \newcounter{test} ...
14
votes
9answers
811 views

Looking for a more appropriate version of \cases

Often-times I find myself wanting to write something like, That is, a vertical brace followed by a table consisting of three columns, the first and the last are math, aligned where-ever I like, and ...
7
votes
2answers
832 views

Equation environment definition

Where is the full definition of the equation environment? I cannot find it in the .cls files. Is this in latex.ltx? Or something?
19
votes
4answers
6k views

Making a new environment combining equation and split

I'm trying to define a new environment that consists of a split environment inside an equation environment. But I'm getting an error. Here's what I'm doing: \documentclass[a4paper,12pt]{article} ...