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

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6
votes
3answers
2k views

Plot a matrix of real values with TikZ/PGF like imshow in matlab

How can I plot a matrix of real values with TikZ/PGF such that it looks like plotted with imshow in MATLAB? \addplot3 does something similar, but I'd like to have that in a color-coded 2D plot.
11
votes
3answers
1k views

Column sums in matrix array

I am trying to get my equation to look like the following: I cannot seem to get anywhere close (is there a way to get labels in \bordermatrix to go at the bottom?). Here is my code so far (without ...
4
votes
1answer
1k views

Maxima exported file in LaTeX

I exported this document from Maxima. \documentclass{article} %% Created with wxMaxima 12.01.0 \setlength{\parskip}{\medskipamount} \setlength{\parindent}{0pt} \usepackage[utf8]{inputenc} ...
11
votes
2answers
515 views

Programmatically setting column style of a matrix in TikZ

I'm trying to programmatically set the style of the columns of a TikZ matrix. My attempt is the following: \documentclass{article} \usepackage{tikz} \usetikzlibrary{matrix} \begin{document} ...
7
votes
1answer
5k views

How to print a LaTeX matrix using xtable in R

I'm trying to get R to print a matrix as a LaTeX matrix using xtable, using the LaTeX environment bmatrix. a <- matrix(rnorm(25), 5 ,5) x <- xtable(x) > print(x, floating=FALSE, ...
7
votes
1answer
478 views

Matrix vertical alignment in combination with double spacing

Why does the following code mess up the vertical alignment in the matrices? \documentclass{article} \usepackage{amsmath} \usepackage{setspace} \doublespacing \begin{document} The first case is ...
7
votes
3answers
2k views

Tikz - How to nest nodes in a matrix so they can be connected?

I want to make a matrix which has multiple nodes in a single matrix cell. These nodes should be centered to each other. I managed to make this work by using a nested tikz environment like so: ...
12
votes
2answers
688 views

Print zeroes in a sparse matrix in a lighter color

For a report I need to print some sparse matrices as full matrices, so that means that there are a lot of zeroes. If I print them in the same color as the meaningful entries, it doesn't look very ...
4
votes
1answer
862 views

TikZ-equivalent of bordermatrix with automatic alignment of labels

I would like to create a TikZ matrix (containing pictures in the cells) and annotate rows/columns of this matrix is the same manner as \bordermatrix allows. This is (approximately) a picture of what I ...
8
votes
1answer
8k views

How to label a line created with draw command

I have the following: \begin{tikzpicture} \matrix (m) [matrix of math nodes, row sep=1em, column sep=3em]{ \quad & a_1 & \quad \\ b & a_2 & \{ a_1, a_2 \dots a_n \} \\ ...
7
votes
1answer
657 views

Copy-able Matrix/Grid

I have grid-formatted data: 1 2 3 4 5 6 7 7 9 I'd like to display this as above in a LaTeX document compiled with pdfLaTeX. I've thought about using the TikZ Matrix library and the AMSMath Matrix ...
7
votes
1answer
428 views

Twist a single line matrix in TikZ

I have a single line matrix made with TikZ: \documentclass{article} \usepackage{tikz} \usetikzlibrary{matrix} \begin{document} \begin{tikzpicture} \node [matrix,fill=white!20,draw=blue] (my matrix) ...
7
votes
2answers
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braces on the sides of an easybmat matrix

I created the following matrix with easybmat, and I would like to add at the bottom (respectively right) something like an underbrace (resp. "rightbrace") under each of the two blocks, together with a ...
12
votes
2answers
2k views

Broken matrix - gaps in brackets

This is my minimal working example. \documentclass[12pt,a4paper]{mwrep} %\usepackage{amsfonts} \usepackage{amsmath} %\renewcommand\baselinestretch{1.5} \begin{document} \chapter{Example} ...
3
votes
1answer
413 views

How can I add size of Tikz drawing into size of equation? (PART 2)

Related to: - How can I add size of Tikz drawing into size of equation? Code presented below is the result of combining code from solutions to: - How can I add clips above matrix? - How can I add some ...
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 ...
5
votes
1answer
229 views

Centering item along several nodes in bmatrix

How can I position X exactly in the middle of space between a and d column? \documentclass{article} \usepackage{amsmath} \begin{document} \[ \begin{bmatrix} a & b & c & d & e \\ ...
19
votes
4answers
4k views

Draw a line through one column of a matrix

I'd like to "cancel" (draw a line through) a column of a matrix (using \begin{pmatrix}..\end{pmatrix}). How can I do this?
3
votes
1answer
255 views

How to align macros to correct order in TikZ matrix?

How to fix the broken placement of macros in matrix? \documentclass{article} \usepackage{tikz} \begin{document} \newcommand{\macroA}{ \begin{tikzpicture} \node[minimum height=1.5cm,minimum ...
2
votes
1answer
907 views

Adding text over matrix in LaTeX

I am trying to accomplish this in LaTeX. j ⎡a b c⎤ |d e f| ⎣h i j⎦ so that the "j" is aligned with the center of the matrix. It seems like I can't use the \begin{align} ...
3
votes
1answer
575 views

tabular as matrix

I have the attached figure and I need to have arrows from the entries of the table on the right-hand-side (one which says Dimensions List DL) to nodes of the tree. I think the best way to do this is ...
8
votes
1answer
7k views

Different arrow line styes and different row sizes in tikzpicture

I am using tikzpicture environment, together with \matrix command to draw a diagram. I have two questions: Can I use different arrow line styles in the same matrix? For instance, the matrix called ...
5
votes
1answer
5k views

How to create a matrix with rows and columns labeled (at the right side)?

I would like to create a matrix with rows and columns being labeled. I would like the matrix elements to be right aligned, the row labels being displayed to the right of the matrix, and the column ...
3
votes
1answer
949 views

Example of matrix node in trees in tikzpicture

I'm trying to recreate this image using tikz matrices in a tree. I can create the first node and can hook up to children, but I can't get the syntax for including more matrices as child nodes of ...
8
votes
1answer
314 views

Make the `\ddots` looks well in a transformed matrix

I want to typeset a large matrix: \addtocounter{MaxMatrixCols}{8} \begin{pmatrix} 1\\ &\ddots\\ & &1\\ & & &0& & & &1& & ...
6
votes
1answer
3k views

Write elements above and right outside the matrix

I found writing matrix's code is a boring work. There is one, you can see in pic below. Can anybody help?
2
votes
2answers
4k views

Can you put two matrices in display mode side by side in LyX?

I have two matrices, and I want to render them side by side with appropriate space in between in display mode. How should it be implemented in LyX?
0
votes
1answer
305 views

Typing Block matrix between texts than in separated picture?

How can I type a block matrix for instances a square that divided on each side between lines in LaTeX? Namely between $...$?
5
votes
1answer
2k views

Tikz positioning in matrices

Due to the help of some posts on StackExchange (mostly [1] and [2]) I think that I got the gist of categorizing matrix rows and columns with braces and separating them with lines in TikZ. However, I ...
8
votes
2answers
888 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 ...
5
votes
1answer
818 views

tikz matrix : centering cells

I have what's below and I do not know why the term m_{n+1,k} is not horizontally centered in its cell? \documentclass{article} \usepackage[utf8]{inputenc} \usepackage{tikz} ...
14
votes
2answers
6k views

How to typeset a matrix with MathJax?

I need to typeset a matrix with square brackets as delimiters for math.se (I believe they use MathJaX). How would I do that?
4
votes
1answer
879 views

How to achieve double border line between some columns of tikz matrix?

I've read TikZ matrix as a replacement for tabular which nicely explained how to get table with borders in the first place. Now, I'd like to have let's say thicker border (or double border line) ...
8
votes
3answers
18k views

matrices too big to fit the width of a page

When I type matrices in beamer class, they are often too big to fit the width of a page. What is the way to make the matrices smaller? I also want to make the font of the entries of these matrices ...
8
votes
1answer
1k views

How to cross a row in matrix with a line?

Is there an "easy" way to cross the row in a matrix with a line? I am trying to demonstrate to my students how to type in LaTeX their homework assignment on Boolean function. The below table is used ...
5
votes
1answer
341 views

special symbol for matrix index l

In the following image there are two different styles used for matrix index l. The first one is the default one. How can one get the second one? The code is for the first equation is ...
3
votes
1answer
276 views

How to position “=” mid-line inside a '\raisebox' and then `align` using `&=` with expression below?

In order to get a full stop at the bottom, rather than mid-line, after an aligned matrix expression, I have raised the expression using a raisebox, and adjusted space using `vspace'. This is now ...
3
votes
2answers
398 views

How to put a full stop at the bottom, not mid-line, after an aligned matrix?

How can I put a full stop at the bottom rather than at mid-line following the end of an aligned matrix expression such as $\begin{pmatrix} x\\ y \end{pmatrix}$?
8
votes
2answers
3k views

Matrix with arrows and labels

I would like your advice on writing a matrix with latex. In order to explain the meaning of the rows and columns, the matrix should be surrounded by two arrows, one on the left side pointing downward ...
4
votes
1answer
695 views

TikZ: Tilting a submatrix of a \matrix

\documentclass{standalone} \usepackage{tikz,pgf} \usetikzlibrary{fit,scopes,arrows,calc,shapes.misc,matrix,positioning} \begin{document} \newcommand{\bbrect}[3]{ ...
19
votes
3answers
3k views

How can I visualize Matrix operations?

I would like to visualize some matrix operations like that: How can I do that (preferably something that also works for mathjax)?
8
votes
1answer
27k views

Matrix equation (esp. row vectors)

I'd like to write the matrix equation A = (x y) B (x y)^T, where (x y)^T is written as a column vector and B is a 2x2 matrix written as such. I can (almost) do this by, for example, the following: A ...
10
votes
1answer
2k views

Compiling a BIG matrix

I have a large matrix (say, 100x100) in LaTeX code and I want to view it in a human-readable form. Obviously compiling the TeX code (of the matrix and nothing else) is the best way (much better than ...
5
votes
2answers
10k views

Set horizontal width of matrix in amsmath [duplicate]

Possible Duplicate: Is there a way to slightly shrink a table, including font size, to fit within the column boundaries? I have a 16x16 pmatrix. How do i set the width so it doesn't ...
6
votes
3answers
952 views

Optional argument to an environment inside align

I have lots of matrices so I want to define a mat environment. I sometimes need the matrix to have right-aligned columns so I am using mathtools and I want to have an optional argument that is ...
16
votes
4answers
20k views

Diagonal dots spanning multiple lines/columns of a matrix

I'm filling in large sparse matrices, for example \begin{bmatrix} 0 & -2 & 1 & & -1 & 2 \\ 2 & \ddots & \ddots & \ddots & & -1 \\ ...
5
votes
2answers
3k views

Vertical Line in \bordermatrix [duplicate]

Possible Duplicate: bordermatrix with blocks I need to put a vertical line between two columns of a matrix in \bordermatrix. I know how to do it in the array environment, but \bordermatrix ...
15
votes
1answer
842 views

How does this macro for augmented matrices work?

I've used this code I found somewhere to typeset literally hundreds of augmented matrices, and it's been amazing: \documentclass[a4paper,12pt]{article} \usepackage{amsmath} \usepackage{arydshln} ...
4
votes
2answers
929 views

How can I use monospaced font inside a matrix (or tabular etc)?

I would like to display a matrix with characters using monospaced font (as in \tt and \mathtt), but I haven't found an easy way to do it. Something like this: \begin{center}{\tt\left( ...
11
votes
2answers
3k views

Gaussian reduction of matrices

I have to show a Gaussian reduction in an assignment, and I was wondering what the more space-efficient and neatest way of expressing this is. I thought about using \begin{smallmatrix} (it's only a ...