{matrices} is about matrices in {equations} and {diagrams}.

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4
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3answers
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How to get TikZ nodes not to change alignment?

I'm still working on rendering a nice block matrix. I've been using BMAT but it is irrelevant for the question at hand. I want to connect various entries in an array/matrix/BMAT by lines, and I'm ...
2
votes
1answer
338 views

using easybmat and tikz packages together?

In continuation to this question, I was looking for a way to add nice diagonal lines inside a BMAT matrix to express a band structure of the matrix. However, a LaTeX file with both TikZ and easybmat ...
14
votes
1answer
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How to typeset block matrices?

I need to typeset a block matrix that is made of a 2X2 structure of blocks such that the (1,1) block and the (2,2) blocks are zero and the (1,2) and the (2,1) blocks are non-zero (and happen to have a ...
5
votes
1answer
578 views

In TikZ, is it possible to nest matrices?

This is similar to this question, but not quite the same thing. I want to make a matrix of graphs that are all relatively the same, and I made the graphs using the matrix construct. [By the way, did ...
15
votes
6answers
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Formatting arrows between rows of corresponding matrices

Some material I'm creating requires output that looks like this: (note the position of the arrows). I'm using the following code (with the AMS macros) to generate this, and I'm looking for ...
37
votes
5answers
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typesetting column vector

I would like to define a command which typesets a column vector. For one vector I can have something like: \left( \begin{array}{c} a\\ b\\ \end{array} \right) I would like the command to produce ...
38
votes
5answers
18k views

What's the best way make an “augmented” coefficient matrix?

When studying systems of linear equations, it's nice to remind people that the last column of the coefficient matrix holds the constants. This is often done in books by putting a vertical line ...
2
votes
4answers
1k views

Defining a good tab-able macro for matrices.

I want to declare some macros in my preamble which allow me to create 2 x 2 matrices more quickly, and in particular, I want to be able to tab through the four entry positions. I feel like this is ...
22
votes
4answers
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Multirow/multicolumn cells in TikZ matrices?

Is it possible to make TikZ matrix cells span multiple rows/columns, like they can in LaTeX tables using \multirow/\multicolumn? Specifically, I'd like to typeset something like the following in a ...
17
votes
2answers
2k views

Problem with defining shortcuts for TikZ matrices.

For answering a question yesterday I wanted to define a shortcut for creating a matrix inside a tikzpicture. As a minimal example, consider \newcommand\mymatrix[1]{ \begin{tikzpicture} ...
3
votes
1answer
928 views

Shrinking large matrices by preventing column alignment

I have a relatively large but sparse matrix (say 20x20). Maple has no problem displaying it on a screen because maple does not force the columns to be aligned when the matrix is large enough : element ...
42
votes
5answers
10k views

How do I label different rows or columns of a matrix using braces?

I have a matrix enclosed in brackets [ ] (or (), or {}, or |'s, or ||'s): - a b c d - | e f g h | | i j k l | - m n o p - which I want to label like so: R |---| -- - a b c d ...
10
votes
1answer
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Aligning matrix nodes in tikz

Another question about aligning nodes using matrices in tikz. Consider the following: \documentclass{article} \usepackage{tikz} \usetikzlibrary{matrix} \begin{document} \begin{tikzpicture} \matrix ...
68
votes
5answers
152k views

How to add a matrix to a LaTeX document

How do we add a matrix to a LaTeX document?