{array} is an environment used in {math-mode}. It can be useful when aligning terms.

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8
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2answers
906 views

Enforcing That \array Stays Square When Drawing Matrix

I'm trying to draw a block matrix in LaTeX, and this is what I have so far: \begin{array}{|c|c|} \hline I_{r \times r} & 0 \\ \hline 0 & 0 \\ \hline \end{array} Here's a ...
7
votes
4answers
594 views

How would you reproduce the Leibniz binary table

I would like to reproduce the original Leibniz binary table (as seen here). The most precise the better...
7
votes
1answer
474 views

Tables header row's: how to ignore the column type?

I have several column types defined using the array and collcell package. An example \newcolumntype{N}{>{\collectcell\num}c<{\endcollectcell}} This alleviates making tables a lot, and makes ...
7
votes
2answers
1k views

Modify locally the “array” environment for Equation Systems

When I started to use LyX 2.0.6 I noticed that when an Equation System is needed, there are two options available to typeset it: using the appropriate command on the Math Line cases, or ...
5
votes
4answers
2k views

Table of displayed formulae

I'm trying to make a table of formulae. I've tried a bunch of different approaches (including \parbox, align, eqnarray, etc.), but none of these satisfy all of the requirements: \hline (or something ...
5
votes
3answers
272 views

Question about @{} used in array environment

I saw people use @{} in the array's environment at Align a linear program. I can understand that l means flush the array cell to left, but cannot understand what the purpose of @{} or find it in ...
4
votes
1answer
2k views

Error with blkarray: Misplaced \noalign

I am trying to write a matrix with indices given to the rows and columns. I get the error "Misplaced \noalign." Does anybody understand why? The minimal example is below. \documentclass{minimal} \...
4
votes
3answers
1k views

\underbrace at a strange place, spanning array columns

Take a look at the following code: $$\begin{array}{rr|r|c|l} vd_2:&\raisebox{0pt}[0pt]{\makebox[0pt][l]{$\overbrace{\phantom{b_1\dots b_{n-l_{k-1}-2k}\hspace{2\arraycolsep}b_{n-l_{k-1}-2k+1}\dots ...
11
votes
2answers
2k views

Problems with alignment of sequences

I want to align two sequences: a_1, b_1, c_1, d_1, e_1 etc. a_2, b_2, c_2, d_2, e_2 etc. here's what I wrote \begin{align} \notag &a_1,\ &b_1,\ &c_1,\ &d_1,\ &e_1\ \...
7
votes
1answer
9k views

Columns width of array environment

I'm using the array environment and have something like this: \begin{array}{|c|c|} \hline \textbf{x} & \textbf{y} \\ \hline \hline t_1 & lon_1 \\ \hline \end{array} I ...
7
votes
2answers
378 views

How to stop fractions in display equations from running into each other?

Is there some standard way to create multiple display equations like the following without having to use: \renewcommand*{\arraystretch}{2} (so that the two rows in the second equation don't get ...
7
votes
1answer
1k views

tabular and array

Consider the following example: \documentclass{article} \usepackage{array} \usepackage{calc} \begin{document} \begin{tabular}{p{\textwidth - 3cm}|p{1cm}<{foo}} Caption1 & Caption2\\ ...
6
votes
2answers
2k views

Several lines of formulas to the left of one curly brace pointing to equation number

How to make several lines of equations under one curly brace from the left side, such that it point to a reference number. Now I do something like this: \begin{align} \left. \begin{array}{ll} a = b +...
6
votes
1answer
458 views

How to model {smallmatrix} with {array}?

It is pretty normal, I guess, to use \begin{array} ... \end{array} to model matrices, when more control is required than you get with pmatrix, bmatrix, etc., with the proper \left and \right, and the ...
5
votes
2answers
228 views

Multiple lines in equation environment

I have to put an two equations inside one equation environment. I could do it with this piece o code: \begin{equation} \begin{array}{ccl} \nabla \cdot F & = & \left(\frac{\partial}{\partial ...
5
votes
4answers
1k views

Big curly brackets and rotated text around table

I have a rather cramped looking table here showing the chance of a nurse touching a surface type given (s)he is doing a certain type of care. I would like to make a large curly bracket to the left of ...
4
votes
1answer
2k views

How to draw the following table (simplex tableau)

I would like to draw table, I tried, \begin{equation} \begin{array}{c} z \\ s_1 \\ s_2 \\ s_3 \end{array} \begin{bmatrix} \begin{array}{c|ccccc|c} z & x_1 & x_2 & s_1 & s_2 &...
3
votes
1answer
377 views

Nested matrices with aligned columns and rows

I'm trying to represent "matrices" with more than two dimensions, like the Riemann curvature tensor or Christoffel symbols, using nested matrices. I still don't know if this can help working with ...
3
votes
1answer
440 views

Pgfplotstable adding a growth column without column names and then offsetting it

I'm trying to create a new column in a pgfsplotstable which shows the compound growth over the preceding columns. The columns don't have names, and I want to shift the column a little to the right to ...
3
votes
1answer
1k views

Creating a Payoff Matrix Using LaTeX Tabular Environment

I'm trying to use my limited knowledge of LaTeX to create a payoff matrix by hand. Here's my first try: \begin{tabular}{cc|c|c|} & & Player $Y$ & \\ ...
3
votes
1answer
974 views

using multiple brace in array environment

I want to create something like that Clearly every element should be coherent with eachother and line need to be connected. This is a MWE, how should I modify it to make it coherent: \...
3
votes
1answer
606 views

I keep getting an error in line 38 saying “Extra alignment tab has been changed to \cr.”

\documentclass [12pt]{article} \oddsidemargin=0pt \topmargin=0pt \textwidth=6.5in \textheight=8.5in \begin{document} \begin{center} {\large\bf\LaTeX\ Example 6} \end{center} We can typeset array ...
3
votes
1answer
74 views

Vertically center elements in rows of array

In the following table, I would like to center the Venn diagrams vertically. Here is a MWE showing my diagrams aligned "top": \documentclass[letterpaper,10pt,american]{article} \usepackage[left=1 in, ...
3
votes
2answers
59 views

Create array of specific counter values

I want to create an array containg specific values of a counter to be used in a foreach loop. So I want to define a command that adds the actual counter value at the end of the list. What I can do is: ...
2
votes
2answers
118 views

Instead of the left open brace, if I want an Arrow mark, how I can do it?

\begin{cases} First line\\ Second line\\ third line\\ \vdots \end{cases} is giving like, Instead of the left open brace, if I want an Arrow mark, how I can do it? One way is this, $\left\...
2
votes
1answer
3k views

Two double-line equations need double left brackets

I have four lines of equations. The first two and the second two need to be grouped by a left bracket, and all four need to be grouped by one overall left bracket. I am using an array within an ...
2
votes
1answer
551 views

subfloat with array?

the following code produces an error: missing $ inserted. 1.109 \end{array} any suggestions on what I am missing: \begin{figure}[H] \caption{My caption goes in here.} \centering \subfloat[...
2
votes
2answers
181 views

Difficulty modifying an array environment

I have an array that I had past help on and now I am attempting to modify that array. However, when doing so, parts of my "theorem" keep getting shifted to the next line. Here is a MWE: \...
2
votes
1answer
253 views

Strikethrough rows and columns in matrices

I've found this code from How to cross a row in matrix with a line? \documentclass{article} \usepackage{tikz} \newcommand{\pmark}[1]{\begin{tikzpicture}[overlay,remember picture]\node(#1)at (-1em,....
1
vote
0answers
42 views

Row Operations Error (Repost) [duplicate]

I couldn't comment on my last post, that's why it's a duplicate. I'm trying to put "arrows operations" in my matrices but I keep getting a Latex error. Could you guys help me out? I used the linalgjh ...
1
vote
2answers
762 views

How to make equal width columns?

Based on Leo's answer but I removed one column and replaced the \big) with a vertical rule. Now I want to make all columns have the same width. How to do this? \documentclass{article} \usepackage{...
1
vote
2answers
190 views

Stating linear program

i want to formulate a linear program. But all i found is not what i am looking for. It should look similar to this picture: The main difference is that i want on right sight automatic numbering (...
1
vote
0answers
80 views

Extra space before the first row of an array

Why is there so much space before my array's first row? How can I fix it (as I don't believe that this is its default behaviour)? \documentclass[12pt]{article} \usepackage{parskip} \setlength{\...
1
vote
1answer
105 views

3x3 Normal Form Payoff Matrix in LaTeX Tabular Environment

~Disclaimer~ This question is a generalization of this question to the 3x3 case. I would like the same format as the top example in the answer to the above question; That is, "Player 1" on the left, "...
1
vote
1answer
67 views

svmono array padding

The svmono class (available here) butchers spacing inside arrays; compare \documentclass{svmono} \begin{document} $\begin{array}{|l|} text \end{array}$ \end{document} to the same in the article ...
1
vote
1answer
69 views

Question about the underbrace in combination with the array

I'm trying to use the \underbrace option, and I kind of managed to make it work with the following code: \begin{equation} \begin{array}{rcl} \left(\Lambda_1 \Lambda_2\right)^T G \left(\Lambda_1 \...
1
vote
0answers
33 views

“]” not working [duplicate]

I tried to compile something like the following but it is not compiling: $$ \begin{array}{ccc} [u,v]=0&,&\text{if bla}\\ [u,v]=0&,&1 \end{array} $$ I also tried \begin{...
0
votes
0answers
41 views

Row Operations Error

I'm trying to put "arrows operations" in my matrices but I keep getting a Latex error. Could you guys help me out? Thanks! \documentclass[11pt]{article} %size, document type \usepackage{fullpage} \...