Questions tagged [eqnarray]

the math display environment from LaTeX with alignment points. Do not use this tag for the `eqnarray` package.

Filter by
Sorted by
Tagged with
2
votes
1answer
23 views

Subequation numbering in iopart

Given a system of equations (1a), (1b), etc. I want to be able to reference both (1a) and the entire system (1). This is trivial with subequations, but in an iopart document this environment does not ...
0
votes
0answers
28 views

Problem writting an equation

It's me again. I'm trying to write this equation: I wrote this way in Latex: \begin{document} \usepackage{amsmath} \begin{eqnarray*} (M - I) \cdot v = 0 &\Leftrightarrow&...
1
vote
0answers
28 views

Mock vertical scroll in eqnarray/align environment

I find that the size of beamer frames is often too small to display verbose calculations. Running a calculation over multiple frames is awkward and one could wish for a vertical scroll on slides. ...
2
votes
1answer
22 views

aligning addition symbols in array

I have been trying to figure out how to put addition symbols in between each of the following characters for this code: \begin{equation} \begin{array}{c|ccccc} &a_0 &...
2
votes
1answer
47 views

Align within an (fl)align environment

I have a centered list of equations, and I'd like each of the equations to begin at the same margin from the left, then to have the equality signs start at the same margin, etc., whilst keeping the ...
0
votes
0answers
16 views

howto autoref individual equations in an eqnarray

Hi I have the following latex written: They are given as follows by \autoref{maxwelleq1, maxwelleq2, maxwelleq3, maxwelleq4} \cite{maxwellfour}. \begin{eqnarray} \label{maxwelleq1} \text{Gauss' Law:}...
0
votes
0answers
38 views

revtex4-1 onecolumn: Remove the extra long blanks before/after eqnarray

In revtex4-1 onecolumn, I find the extra-long blanks (sentence breaks) before/after eqnarray, like this question: How to remove the extra long blanks before/after eqnarray? \documentclass[11pt, ...
1
vote
1answer
53 views

How to align chemical reactions in multiple environments?

How do I align (by arrow) chemical reactions in different environments (between text)? Example: Two arrays. \begin{eqnarray} A & \longrightarrow & A' \\ B & \longrightarrow & ...
1
vote
1answer
36 views

label in eqnarray after brackets

May I know how to add labels for the constraints in the LP set such as (3b), (3c), etc.? It seems like once I added \right}, the label function does not work anymore. And this is what I have now: \...
4
votes
3answers
99 views

How insert a text on middle right of eqnarray

I want to write the text (1st case) on the middle right of this two equation, any idea for this? Thank you. \begin{eqnarray*} % \nonumber % Remove numbering (before each equation) ...
-1
votes
2answers
104 views

How to fix this?

I want to edit the problem of equal signs to be under each other. this code to me is perfect, so what would it be the problem.
0
votes
1answer
65 views

Label eqnarray split and align

I've this tex code \begin{eqnarray} &\partial_{t}f =D \nabla^{2}f -f (1-f)[(1-s)-(2-s)f]\epsilon \label{eqn:1}\\ \nonumber &\\ \text{from which we get} &\partial_{t}f =- \frac{\...
2
votes
3answers
161 views

Shrink the font size of a long equation

I have edited a very long equation in the eqnarray environment and broken some long lines at the appropriate positions with \nonumber\\ (see the small example below). After compiling, the equation ...
4
votes
1answer
276 views

How to have a multiline equation in an array of equations?

I am in the situation where I need to define some parameters similar to each other. For this reason I would like to define them in an eqnarray or align. Unfortunately, one of the right hand part of ...
2
votes
2answers
53 views

How to align a set of multiple equations on a set of multiple aligned?

With a set of multiple aligned equations are becoming misaligned as follows: \begin{equation*} DGE \left \{ \begin{aligned} & FEGE & & & \left \{ \begin{aligned} & & CGE & ...
2
votes
2answers
53 views

Labelling equations with eqnarray

I would like to produce the following output: To be precise, I would like the two equations to be aligned as produced by \eqnarray*, and the two labels L_1 and L_2 to also be aligned. I could use \...
0
votes
0answers
67 views

Number equation problem in eqnarray

I have a little problem with my equations using eqnarray and I can't solve some of them. 1) I have zeros between the equations numbers (in all equations). To solve that I saw this code below (and it ...
0
votes
1answer
29 views

IEEE class does not print long equations more than one page or one column

\begin{equation}\label{eq6} \begin{array}{l} MI\left( {{E_i},{E^t},E_k^n,E_l^m} \right) = \\p\left( {{E_i} = 0,E_j^t = 0,E_k^n = 0,E_l^m = 0} \right)\\ \\ \times {\log _2}\left( {\frac{{p\left( {{E_i}...
1
vote
1answer
95 views

How to reduce gap between two \begin{eqnarray} … \end{eqnarray}?

I have two equations of \begin{eqnarray} .... \end{eqnarray} in latex using editor WinEdt. How can I reduce the space between them? \begin{eqnarray} l(P_5) = abc \end{eqnarray} \begin{eqnarray} ...
0
votes
1answer
135 views

\begin {eqnarray} does not work properly, in the latest version of (La)Tex?

\documentclass[11pt]{article} \textwidth 160mm\textheight 235mm \oddsidemargin-2mm \evensidemargin-2mm\topmargin-10mm \UseRawInputEncoding \usepackage{amsfonts} \usepackage{amssymb} \usepackage{...
5
votes
2answers
340 views

Equation Array Exceed Right Margin

I write equations in eqnarrayuse Latex, but there are lines that exceed the right margin, how to fix it? This is my code: \begin{eqnarray} k_1&=&hf(t_i, y_i)=hf_i \label{$k_1$ RK-4}\\...
2
votes
1answer
202 views

Latex ((Missing number, treated as zero. <to be read again>)) [duplicate]

\begin{eqnarray*} % \nonumber % Remove numbering (before each equation) (a, b) &=& \{ x \in X | a < x < b \} \\ (a, b] &=& \{ x \in X | a < x \leq b \} \\ [a, b) ...
6
votes
2answers
486 views

Substitute for eqnarray?

Firstly, sorry for my english level, I'm French. Secondly, I've read eqnarray environment becomes obsolete, and we have to replace this by align. Ok, but it's not satisfying for me. I explain : \...
1
vote
0answers
118 views

Difference between eqnarray and eqnarray* [duplicate]

What is the difference between environments eqnarray and eqnarray* in a LaTeX input document?
5
votes
1answer
170 views

Multi-line long equation vanishes few brackets

\begin{eqnarray*} M \to {P_j}:{} & \left\{ {{{\left( {{n_1},{n_2},{{\left( {profile,{N_i},{N_i}\left( {\mathop \leftrightarrow \limits^{K_S^i} } \right){P_j},\\ & \# \left( {{N_i}\left( {\...
1
vote
2answers
84 views

How to make \begin{align} looks like \begin{eqnarray}

I trying to align a programming model using eqnarray but the command \tag do not work with it, I could use align instead but the alignment is right for the first column and left for the second column. ...
4
votes
2answers
68 views

eqnarray: redefinition of underscore conflicts with labels containing underscores!

The underscore redefinition I use for having roman subscripts (see example) is preventing me from defining labels within eqnarray environments. How can I solve this? (This problem doesn't appear when ...
2
votes
1answer
351 views

Double linespacing inside equation array

I want to make the spacing between lines inside an equation array wider because the equations are very near to each other, how can I achieve this?
3
votes
3answers
2k views

multiline eqnarray, but only one equation number

I want to build an array and refer to it as with equations. The array consists on two lines; however, I would like to refer it as only one. My code is the following: \documentclass[12pt,twoside,...
0
votes
3answers
946 views

Break line within array or eqnarray

I have used the following codes to generate two equations. However, the second equation overlaps with the equation index. Can someone please help me look it pretty by breaking the 2nd equation into ...
1
vote
1answer
39 views

csvReader eqnarray Problem

I use eqnarray for equations. After using csvreader, the "special" mathematical symbols like "sum" disappear. The following is the code. The equation before and after csvreader is the same. \...
2
votes
1answer
42 views

Distance between equation and its reference number

I have the following MWE \documentclass[xcolor=pdftex,t,11pt]{beamer} \begin{document} \renewcommand{\theequation}{A\arabic{equation}} \setcounter{equation}{0} \section{Appendix} \begin{frame}[...