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

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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 ...
9
votes
2answers
671 views

How to typeset this in LaTeX

I would like to typeset the following matrix: However, I don't know how to achieve the braces and the dots leading to the matrix entry.
14
votes
1answer
340 views

Are there specialized libraries or packages to draw blocked/partitioned/splitting matrices in Tikz?

I need to write matrix splitting and factorization operations (for my linear algebra course). It is hard to do these is direct Latex. I can use Visio to draw these easily, but I'd prefer to use Tikz ...
14
votes
2answers
2k views

Using brackets as delimiters for matrix in TikZ-PGF Matrix Library

The TikZ-PGF manual is clear that for the matrix library, the delimiters are parentheses and braces: Delimiters are parentheses or braces to the left and right of a formula or a matrix. I ...
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 ...
8
votes
5answers
677 views

What's the best way to write matrix together with its dimensions on top and left?

I'm trying to show that matrix A (m rows, n columns) times matrix B(n rows, k columns), results as matrix C ( m rows, k columns). I wonder what's the easier way to write it? there are several ...
6
votes
1answer
986 views

How to make a full equation with tikz?

I am using this solution here to make long dashes within a matrix, and it is working well. The code is: \documentclass{article} \usepackage{tikz} \usetikzlibrary{matrix} % possible to customize here ...
13
votes
4answers
1k views

Drawing Young tabloids

I would like LaTeX to produce output like the following (without the 2 a so called Young tabloid), ideally by writing \ytabloidshort{123,56} (using one character per cell, ideally allowing ...
11
votes
3answers
281 views

Matrix from graph description

Are there any LaTeX package that draws/plots/generates a matrix from a "graph" description (node relations). Any type of description/language could be useful. The trick is to generate automaticly a ...
10
votes
3answers
4k views

Border matrix with multiple indices on top and bottom

How can I write a matrix where there is an index at the top and also at the bottom? \bordermatrix doesn't seem to have an option for multiple indices.
8
votes
1answer
6k 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 ...
7
votes
1answer
1k views

Block matrix equation with dimensioning

I need to write following matrix equation in LaTex. The dotted lines shown need to be present in the structure but need not have colors (could as well be black). I have used it here only to show the ...
7
votes
1answer
786 views

How to label arrows in tikz-cd diagrams with matrices?

I'm using tikz-cd for some commutative diagrams, but if I try to label an arrow with a matrix, & appears to be "undefined control sequence". So all the entries in a row get concatenated, and it ...
7
votes
1answer
2k views

Centering xymatrix in equation environment

The xymatrix diagram does not seem to vertically align when grouped in an equation environment. For example, this code produces the following image (which seems to place the xymatrix 2.5em lower than ...
6
votes
1answer
231 views

Automatic way to match matrix heights

I have a simple matrix equation, but one of the matrices has subscripts and superscripts on both lines: \documentclass{article} \usepackage{lmodern} \usepackage[T1]{fontenc} ...
6
votes
2answers
2k views

Vertically align the tops of matrices in an equation

The following matrix equation looks great: \begin{align*} \overset{A}{\left[\begin{matrix}t_{1}&1\\ \vdots&\vdots\\ t_{n}&1 \end{matrix}\right]} \overset{x}{\left[\begin{matrix} ...
5
votes
1answer
167 views

Labeling the columns of matrices

I am trying to TeX a transition matrix for a Markov process and I want to be consistent with our textbook and label the columns and rows. I found \kbordermatrix and that let me produce: ...
4
votes
1answer
194 views

Getting block matrices to be the same size

I want to produce equations with block matrices \documentclass[a4paper,12pt,titlepage]{article} \usepackage[fleqn]{amsmath} \usepackage[pdftex]{graphicx} \usepackage{blkarray} \usepackage{mathtools} ...
4
votes
1answer
2k views

Vertical align in tikz matrix

\documentclass[a4paper,12pt]{report} \usepackage{tikz} \usetikzlibrary{matrix} \begin{document} \begin{center} \begin{tikzpicture} \tikzset{square matrix/.style={ matrix of nodes, column ...
2
votes
2answers
235 views

Drawing this matrix using Tikz

I have a matrix which has certain properties. To illustrate these properties, I would like to generate the following image using Tikz: Additionally, I would like the following things on the image: ...
11
votes
2answers
493 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} ...
10
votes
2answers
10k views

Matrix in small size

Does anyone have a good idea for an alternative matrix definition with a font size between the standard size used for say pmatrix and the \scriptstyle size used by smallmatrix? I have several vectors ...
9
votes
1answer
1k views

How can I draw a diagram for matrix multiplication with LaTeX?

I'm trying to make a PDF manual for matrix multiplication with LaTeX. I'd like to generate a graphic similar to this one (from Wikipedia/Matrix multiplication): I guess this will be quite a bit of ...
9
votes
3answers
3k views

How to draw a separator between the columns of a matrix.

Is there a simple way to tell TikZ that I want a vertical line to separate the columns of a matrix? I know how to draw them manually, I am looking for an automatic solution, maybe using styles or ...
8
votes
3answers
221 views

Align matrices problem

I have an equation of matrices and I want to align the dimensions of the matrices below the equation of matrices. However, I produce something very ugly. Can someone advise how to make it look better ...
8
votes
2answers
1k views

Creating straight line in matrix

I need to add some straight lines inside a matrix to indicate labeling of rows, like this: How do I do that?
8
votes
2answers
867 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 ...
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 ...
8
votes
2answers
4k views

How can I put a matrix in a figure caption?

I would like to put a matrix in a figure caption. The following example demonstrates the idea: \documentclass{amsart} \usepackage{graphics, epsfig, psfrag} \begin{document} \begin{figure} ...
7
votes
2answers
221 views

How can I get the explanation borders with pmatrix?

I have asked this question in chat. How can I add the explanation borders to the below matrix? \begin{align*} C_{D_{1\succ 2}, \mathrm{increasing}} &= \underbrace{\begin{pmatrix} 1 & ...
7
votes
2answers
2k views

Position two stacked tikz matrices

I would like to take two TikZ matrix, possibly of different dimensions and stack them. My demo code: \documentclass{article} \usepackage{tikz} \usetikzlibrary{matrix} \begin{document} ...
6
votes
1answer
4k views

diagonal line within matrix

I've got simple task - draw block of matrices, when one of the matrices contains diagonal and vertical lines. I am able to make diagonal dotted lines but so far i have not succeeded with solid line. ...
6
votes
3answers
4k views

How do I typeset vertical and horizontal lines inside a matrix?

(From the notation used in course notes for Stanford CS229 available online.) I'm trying to typeset the following matrices made up of row or column vectors: Any ideas?
5
votes
2answers
414 views

Matrix color blocks

I am looking to produce a matrix multiplication where one of the matrices consists of coloured blocks. Much like: Is there any way to produce something like this in Latex?
5
votes
1answer
382 views

Array Alignment using TikZ Matrices; cell over a complete row

I want to align subplots in a pgfplot. with \matrix it is easy to align pictures. My problem is, that I need several rows with two columns/pictures and a last row with a picture over both columns. ...
4
votes
2answers
108 views

How to shade or highlight the upper or lower triangular part in a matrix?

How can I shade or highlight the lower (or upper) triangular part of a matrix in some color like Q above?
4
votes
1answer
830 views

Problem with \cdashline and package arydshln

I have a problem with \cdashline. I use the \cdashline in a matrix but I have an error with \usepackage{arydshln} I think: ! Use of \x doesn't match its definition. \LT@array ->\adl@arrayinit ...
4
votes
3answers
2k views

Is it possible to draw an n by n grid with text in each cell, with a different background shade/colour in each? (confusion matrix)

I am making a confusion matrix for a document, and I was wondering if LaTeX has the capabilities to handle this. It is essentially a table, but with background shading corresponding to the value in ...
4
votes
3answers
948 views

Writing a formula below a matrix

I have a matrix environment: \begin{bmatrix} ... \end{bmatrix} How can I write below that matrix? I tried with substack, so I wrote \end{bmatrix}_{\substack{...}} That doesn't work as it does ...
4
votes
1answer
508 views

Row spacing in kbordermatrix

I want to create a matrix with row and column lables (outide matrix delimiters). After a lot of googling, I have found that TeX macro kbordermatrix is best suited for this purpose. Here is my code ...
2
votes
1answer
135 views

Problems with matrix highlighting in two separate equations using hf-tikz

I have the following 2 matrix. If I do that: \documentclass{article} \usepackage{amsmath} \usepackage[usenames,dvipsnames]{xcolor} \newcommand\x{\times} % requires version 0.3 of the package ...
2
votes
1answer
449 views

Underline multicolumns in tikz matrix

In a TikZ matrix, how can I underline multicolumns automatically as follows (esp. when height of one header cell is larger than others): MWE from this question: \documentclass{standalone} ...
1
vote
2answers
138 views

Improving my latex codes for matrices

i want to write my latex code as in the image inserted below. Please can someone help me to improve my code here to let them look like in the image. \begin{multline*} \begin{bmatrix} k_{A,t} \\ ...
10
votes
1answer
3k views

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 ...
9
votes
2answers
2k views

How to shorten \hline in a matrix

I indicate blocks in a matrix using \hline: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation*} \begin{bmatrix} a & b\\ \hline c & d ...
9
votes
2answers
24k views

Misplaced alignment tab character when building a matrix

I'm still new to latex. I've been having a problem with building a matrix and I have no idea what I'm doing (or what I'm doing wrong), so be gentle please :) \begin{matrix} 5 & 6 & 7 \\ 4 ...
8
votes
1answer
616 views

bracket covering only a part of a matrix

How can I write a matrix, with brackets that cover only rows/columns in a certain range, but still has the right indentation? What I would like: My current solution: \[ \overset{ ...
8
votes
2answers
397 views

Align the length of two nodes inside a matrix

I wanted to create a node with vertical and horizontal parts. So after some searching I found that I can achieve this by using a matrix. I tried the code below: \documentclass{article} ...
8
votes
2answers
3k views

Create a math matrix in TikZ partition lines

I want to draw a math matrix in TikZ, where I can draw helping partition lines. So far I found it pretty simple to just draw a matrix with brackets. \begin{tikzpicture} \matrix [matrix of math ...
7
votes
3answers
215 views

Conditional compilation of code based on package version [duplicate]

I am working on a document with a colleague and we have different versions of PGF/Tikz installed -- I have version 3 and he has version 2.10. This is causing a problem for compilation on our two ...