{matrices} is about matrices in {equations} and {diagrams}.
36
votes
8answers
4k views
Highlight elements in the matrix
I have a matrix and need to highlight some elements in the matrix. I have found how to highlight a single element (I want to put the cell in the square):
$$ A = \begin{bmatrix}
\fbox{0} & ...
13
votes
3answers
5k views
Where is the \matrix command?
From what I can see, \matrix was a TeX command, but I cannot seem to find documentation on it.
It works in MathJax, so I wonder if it can be used in LaTeX.
ie this is valid MathJax:
$$
\left[
...
17
votes
2answers
2k views
Unknown error using tikz matrix of nodes in beamer
I am having trouble getting a basic example of a matrix of notes to show up in my beamer presentation. I am using the code copied from the pgf manual. Here is a complete working example. The error I ...
9
votes
2answers
1k 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}
...
23
votes
1answer
3k views
TikZ matrix as a replacement for tabular
I would like to use TikZ matrices to for some drawings. I am currently using nodes and positioning them manually to simulate a tabular. That helps in positioning arrows and shading.
However, if I ...
18
votes
4answers
2k views
Using display style fraction in a matrix environment
I'd like use the \dfrac command in a bmatrix environment as follows:
\documentclass{article}
\usepackage{amsmath}
\begin{document}
\[
\begin{bmatrix}
\dfrac{\partial f}{\partial x}
\\
...
14
votes
5answers
6k views
bordermatrix with blocks
I need to write a complicated matrix, that has a structure as in the attached picture.
6
votes
3answers
620 views
use of tikzpicture matrix in align or gather environment
So far I have found using the matrix command in the TikZ package is the only way of drawing a T-shape around the bottom row and middle column of entries in a matrix. I now need to use this matrix in ...
29
votes
5answers
5k 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 ...
9
votes
3answers
1k views
Horizontal row separation line in tikz matrix (like \hline in tabular)
In this question tikz-matrix-as-a-replacement-for-tabular a nice solution was given to let the matrix in tikz behave like tabular.
In this solution cell/.style={rectangle} was used to draw lines ...
9
votes
4answers
2k 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
608 views
How to Specify two level row and column labels of a matrix by braces?
I'm trying to write the following matrices.
I used the following code (given by Caramdir)
\documentclass{article}
% Load TikZ
\usepackage{tikz}
...
19
votes
4answers
4k 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 ...
4
votes
1answer
416 views
How can I add some enhancement to the matrix [duplicate]
Possible Duplicate:
Highlight elements in the matrix
\documentclass[12pt,a4paper]{mwrep}
\usepackage{amsmath}
\usepackage[nodisplayskipstretch]{setspace} \setstretch{1.5}
\begin{document}
...
12
votes
2answers
218 views
Long dashes for denoting omitted columns of a matrix
Mathematicians would often to like to think of a row of a m by n matrix with entries from a , say, field, as a vector in the n-dimensional vector space over the field.
Though I am not a ...
8
votes
1answer
735 views
Foreach inside a TikZ matrix
Consider this MWE:
\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{matrix}
\begin{document}
\begin{tikzpicture}
\matrix [matrix of nodes] {
a \\
b \\
c \\
};
\end{tikzpicture}
...
7
votes
2answers
720 views
Array with labeling columns
Is there an intelligent way to label (or name) columns in a matrix? I would like to have something like
\[M=\left[\begin{array}{c|cc}
1 & 2 & 3\\
4 & 5 & 6
...
5
votes
4answers
512 views
Obstacles to simulating an amsmath matrix by a TiKZ matrix of math nodes
I'm trying to figure out a TiKZ-based solution to this problem involving arrows between matrix rows. To this end, I would like to at least be able to make a matrix of math nodes simulate the behaviour ...
16
votes
3answers
14k views
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 ...
15
votes
3answers
2k views
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 ...
9
votes
2answers
539 views
TikZ marking several blocks in a matrix
I would like to mark a few blocks in a matrix and I followed directions from other similar questions but I get a weird TikZ behavior .. seems that I can not have more than one marked block in a ...
5
votes
2answers
722 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}
...
18
votes
3answers
465 views
Matrix with labels nested in braces
What's the best way to produce a matrix with labels that are nested in braces, like this:
16
votes
2answers
7k views
How can I increase the line spacing in a matrix?
I'm trying to create a pmatrix whose components are rather complicated fractions (Christoffel symbols), and the line spacing is too small making the whole thing a bit cramped and hard to read.
Is ...
9
votes
3answers
581 views
How to highlight a single element in a matrix?
I am trying to write out the LU decomposition of a matrix A. I am able to highlight the pivot column with elements below the pivot element except when I get to the last column. Does anyone know how I ...
12
votes
4answers
1k 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?
13
votes
1answer
1k views
TikZ two-blocks matrix
I would like to get a plot like the one I sketched below, basically two blocks of the same matrix with arrows going up and anti-diagonally for the red block and arrows going up for the green one. The ...
13
votes
1answer
5k views
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 ...
8
votes
5answers
975 views
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 ...
11
votes
2answers
368 views
How can I add clips above matrix?
\documentclass{mwrep}
\usepackage{kbordermatrix}
\usepackage{amsmath}
\begin{document}
\begin{equation}
\bar{P}=
\kbordermatrix{ \mathrm{state} & 1 & 2 & 4 & 3 & 6 & ...
4
votes
2answers
3k views
Cannot insert multirow within multicolumn
I want to make a matrix that incorporates both multirow and multicolumn.
However the code doesn't work.
Sorry if the question is stupid, I am playing with matrices the whole day and probably I am ...
12
votes
1answer
1k views
Typesetting a Row Vector
In the question typesetting a column vector, a very nice solution was given for typesetting a column vector with an arbitrary number of rows. I am attempting to modify the code to produce row vectors ...
11
votes
3answers
2k views
Vertical vectors in angle brackets
I wanted to produce the following formula:
which is nothing but a vertical vector in angle brackets. I expected the following code to do the job:
\left\langle
\begin{matrix}
a \\
...
3
votes
3answers
519 views
Specify dimensions of block matrices in Latex
I recently started learning LaTeX and though I found answers for almost all of my questions by looking online (and especially here), there is still one more thing I would like to be able to do but ...
11
votes
1answer
237 views
How to create a matrix with 20 columns in latex
The code below works, but when I add 10 more columns, it does not. So, how can I add ten more columns to the matrix below?
\documentclass{article}
\usepackage{amsmath}
\begin{document}
...
8
votes
2answers
360 views
Tikz foreach inside matrix
Apparently this question has been asked a hundred times already. But I couldn't get it to work with any of the answers provided.
I want to have nested for loops inside a Tikz matrix. Something like:
...
3
votes
1answer
273 views
Parentheses size around matrix
I would like to get 1:n matrix with \left, \right size parentheses. Default size looks not so good. Now I have
$\begin{pmatrix}
f_0 & \ldots & f_L
\end{pmatrix}^T$
The view I get
I can ...
37
votes
5answers
45k views
9
votes
2answers
767 views
highlighting diagonal of a square matrix
I have a 3x3 eqnarray. Is there a way to highlight the diagonal with background color, perhaps using tikz? I was using tikz ellipse to highlight equation terms, though stretching the ellipse to the ...
9
votes
1answer
405 views
Correct delimiter height in TikZ
When using the left delimiter and right delimiter options, I am having the problem that their height is not equal to the node they are surrounding.
Here is an example:
\documentclass{article}
...
12
votes
2answers
314 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 ...
10
votes
1answer
1k 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 ...
7
votes
3answers
3k views
How to construct a confusion matrix in LaTeX?
A confusion matrix looks like:
Is there an easy way to do the same using LaTeX?
Otherwise I could just create a diagram with any software.
7
votes
2answers
733 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 ...
6
votes
2answers
269 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}
...
4
votes
1answer
127 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 ...
2
votes
1answer
250 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 ...
9
votes
1answer
205 views
Heatmap of a triangular matrix (or a sparse matrix)
So let me first of all shamelessly steal heatmap code from this answer to Drawing heatmaps using TikZ
\documentclass{standalone}
\usepackage{colortbl}
\usepackage{pgfplots}
\usepackage{pgfplotstable}
...
8
votes
1answer
716 views
Negative Sign and Matrix Alignment
I am having trouble centering the elements of a matrix such that the negative sign is not taken into account during alignment. Additionally, I would also like the space between the left parenthesis ...
6
votes
1answer
117 views
Add Overbrace to describe a column of matrix
I want to add some over-braces to a matrix to get the following output:
However, this this what I managed to get:
I don't know how to get the neuron 1 and neuron 2 headings...I was thinking of ...
