# Tagged Questions

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

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3k 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 ...
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199 views

### How to do these lines within a matrix?

i try to do this: (http://www7.pic-upload.de/19.12.13/547iej1463a4.jpg) How to do that? Can you help me? Here is my code for the matrix without the lines: \left [ \begin{matrix} r_{11} & ...
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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 ...
5answers
809 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 ...
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### 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 ...
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### 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: ...
4answers
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### 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 ...
3answers
302 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 ...
3answers
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### 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.
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### 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 ...
3answers
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### Look for a bigger delimiter than \Bigg

\documentclass{article} \usepackage{amsmath} \begin{document} \[\left. \begin{vmatrix} a_{11}&a_{12}&a_{13}\\ a_{21}&a_{22}&a_{23}\\ a_{31}&a_{32}&a_{33} \end{vmatrix}\middle/\...
2answers
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### 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} \begin{...
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### 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 m,...
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854 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 ...
3answers
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### 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?
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### 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 ...
2answers
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### 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} x_{1}\\...
2answers
458 views

### Matrix inside matrix

How I can make a matrix inside a matrix as shown in this picture? Indeed, I want to treat every block as a separate matrix. For example, I want to add braces over and under the second matrix by ‎\...
2answers
3k views

### Vertical dashed line of a custom height

I need a vertically dashed line in my matrix, but my current solution looks like the dashes are going out of the array environment (and they are - i checked in photoshop). Can I manually shorten it by ...
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271 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} \usepackage[utf8]{...
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184 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: \[\...
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295 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} ...
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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 ...
2answers
535 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} \begin{...
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4k 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 ...
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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 ...
2answers
3k 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 \...
2answers
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### 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} \begin{...
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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 ...
2answers
2k 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?
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 ...
5answers
743 views

### Easier or better way to draw 1d array

I'm trying to reproduce the following figure, and was wondering if there was a simpler way. \documentclass{article} \usepackage{tikz} \usetikzlibrary{matrix} \def\leftbracket{[} \def\rightbracket{]} ...
2answers
276 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 & -...
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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. ...
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5k views

### vertical and horizontal line in a matrix

I want to create a bmatrix on the right \documentclass[10pt,a4paper]{article} \usepackage[english]{babel} \usepackage{amsmath} \begin{document} \begin{bmatrix}[c|c] _B[T]_B ...
2answers
496 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?
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### 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 ...
2answers
184 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?
1answer
540 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 \...
3answers
1k 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 ...
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 ...
1answer
239 views

### Typing an 11 x 11 (or larger) Matrix [duplicate]

I would like to explicitly write out a n x n matrices in my paper, but once n \geq 11, I get compiling errors and it refuses to print the matrix. Here is what I have: \documentclass{standalone} \...
1answer
476 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} \...
1answer
151 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 \...
2answers
143 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} \\ k_{...
4answers
6k views

### How to create diagonal matrix with an aligned diagonal?

How do I display truly diagonal matrices? I want to have a diagonal bloc matrix. The solution below has several problems : the diagonal terms aren't really aligned in the first half, and the diagonal ...
2answers
27k 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 &...
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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 (...
2answers
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### 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 ...
1answer
688 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{ \begin{array}{...