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

learn more… | top users | synonyms (1)

6
votes
1answer
931 views

vertical lines in matrix using tikz package

my problem is interconnected to my two previous posts (here and here) and i've tried to incorporate answers into solution but without success. My task is this matrix multiplication with added ...
5
votes
1answer
163 views

Strech the text to the borders of a node by using \hfill

The text inside the nodes is not streched to the right side of the node by using \hfill. Could it be the reason that it doesn't work with font=\tiny? But I need the text that small and I would like ...
3
votes
1answer
110 views

Highlighting in tabular environment

I am trying highlight a row of matrices in a tabular environment. However, the left brackets of the matrices are gone. And I don't know how to fix this. In addition, how can I highlight 2 elements ...
18
votes
1answer
2k 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 ...
12
votes
2answers
30k views

3 dots in matrix

I was wondering if anyone knew how to draw 3 dots in a matrix that go in a diagonal way usually to represent that element flow similarily in the slots. I know there's one that goes in the bottom right ...
12
votes
1answer
840 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} ...
14
votes
1answer
5k views

matrix in a matrix

I would like to draw a matrix with top left, top right, bottom left and bottom right blocks. The top left should be a 3x3 matrix with numerical entries, the top right is 0, the bottom left is 0 and ...
24
votes
2answers
9k views

Upper triangular matrix with big zero in lower triangular?

I can represent an upper trapezoidal matrix say as shown below. I would like to replace all those zeros with a single big zero that spans across the low triangle rows and columns, and maybe also add a ...
12
votes
4answers
7k 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.
8
votes
1answer
324 views

Formatting an array of complex numbers with pgfplotstable

Say I have two csv files representing the real and imaginary part of a complex matrix. I would like to nicely display this matrix in LaTeX. The difficulty is to correctly round numbers and not ...
12
votes
2answers
567 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 ...
11
votes
2answers
684 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
5k 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
2answers
4k views

Arrows at right angles on a tikzpicture matrix

I'm trying to do something pretty simple but haven't been able to find an answer so far. I have a flow chart and I want to draw straight arrows at right angles instead of 'bent' arrows, inside of a ...
9
votes
4answers
501 views

Squares in Matrix

I would like to write a matrix equation, where the matrix contains equally sized coloured blocks on the diagonal. Something like: Does anyone have any idea how to go about this?
7
votes
2answers
2k views

braces over matrix

I want to make an overbrace and a side brace on my matrix in order to indicate its size. How can I achieve that. \begin{pmatrix} 1 & 1 & 0 & .& . & . & 0 & 1 \\ 0 ...
2
votes
1answer
385 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 ...
8
votes
3answers
599 views

TikZ Matrix - How can I align content horizontally which is spanning over multiple cells/rows?

I'd like to finetune the big rectangle in the last column and its content, i.e. that it's all aligned to the third column's center. It is currently too far on the right: So far I have been unable ...
8
votes
1answer
6k 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 \} \\ ...
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.
5
votes
1answer
445 views

Highlighted Matrix with brackets

I would like to produce the matrix as shown in this figure: At the moment, I have this code: \documentclass{article} \usepackage{tikz} \usetikzlibrary{matrix} \begin{document} ...
4
votes
3answers
411 views

TiKZ matrix of objects

I am drawing diagrams which consist of grids, some cells of which are filled with circles, like this: I created this picture with \begin{tikzpicture}[scale=0.6] \draw[shift={(0.5,0.5)}] (0,0) ...
3
votes
3answers
2k 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 ...
12
votes
3answers
2k 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 ...
8
votes
2answers
637 views

Equation with Large Matrix Dimension

I'm trying to code this matrix equation below, I'm not an expert in latex, but I've been successful dealing with other matrix equations. However with this one, I can't achieve it. The alignment of ...
6
votes
2answers
149 views

Insert matrix into \subsection{}?

I was trying to insert matrix into a \subsection{}: \subsection{Suppose $X= \begin{array}{cc} 1 & 2 \\ 3 & 4 \end{array}$} This gives me an error: ! TeX capacity exceeded, sorry [input ...
6
votes
1answer
232 views

Gauss package: gmatrix not equivalent to corresponding amsmath environment

The following quote is taken from the gauss package documentation: The package defines a new matrix environment gmatrix which behaves just like Latex's and AMS-Latex's matrix. But when using ...
6
votes
2answers
3k views

Putting a tabular in a node within a matrix

I have a picture in which each of the nodes looks something like this: \node (species1) [shape=rectangle,draw] { \begin{tabular}{c c c} \multicolumn{3}{c}{{Species 1}} \\ \colorbox{red}{G1a} ...
6
votes
3answers
1k views

Same height for list of comma-separated vectors

I am trying to typeset a list of vectors spanning a multidimensional space, using the notation span{v_1,v_2,...,v_n} (I haven't found out how to inline it as rendered latex) i.e.: span \{ ...
5
votes
2answers
395 views

Matrix doesn't shrink when put in fraction.

This is my minimal example, the problem is the different size of the two x. I would expect the matrix to be shrunken too, but it isn't. Why is this and how is it corrected? ...
4
votes
1answer
9k views

Problem putting matrix operations in an equation [duplicate]

Possible Duplicate: Errors in matrix equation? I'm trying to use official equation container for the first time, and it's giving me some trouble. I have this equation of a simple matrix ...
3
votes
1answer
693 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 ...
0
votes
2answers
111 views

How to built an abstract matrix? [duplicate]

I want to built a matrix like the picture: Have a trial: \begin{displaymath} \left( \begin{array}{ccc} b_{11} & \ldots & b_{1j} & \ldots & b_{1j} \\ b_{21} & \ldots & ...
9
votes
2answers
1k 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 ...
6
votes
2answers
19k views

Vertical line in matrix using LaTeXiT [duplicate]

Possible Duplicate: What's the best way make an “augmented” coefficient matrix? I am trying to make a vertical line in a matrix in LaTeXiT. I have read that it should be ...
10
votes
3answers
2k views

Underbrace in a matrix

I want to display the structure of a matrix as shown in the image below: Can this be done using pmatrix and \underbrace? My attempt at combining pmatrix and \underbrace results in a compile error. ...
10
votes
2answers
2k 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
619 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
308 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 ...
13
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 ...
11
votes
1answer
5k 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 ...
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
575 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
779 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 ...
12
votes
3answers
5k views

Matrix change row or column background

I have a matrix shown below. I would like to have the whole row green rather than only the cells ... how can I do that? \begin{equation}\label{eq:appendrow} \newcommand\x{\times} ...
11
votes
3answers
255 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
3k 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.
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
691 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 ...