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

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3
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3answers
3k 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 ...
9
votes
1answer
843 views

How can I pad cells of a blockarray?

After some struggle, I was able to render the matrix I was after. It now has the right "shape", but it does not look very nice; especially the spacing between the bracket and the matrix contents is ...
6
votes
2answers
361 views

Centering \vdots in a sparse matrix with an even number of rows

I am trying to define only the non-zeros elements in a sparse matrix, thus using some \vdots where the entries are zeros and specifying the row when needed (using the blockarray command, with ...
1
vote
2answers
299 views

Change matrix figure layout

I have a figure where I am writing som matrices I want something like but I am getting this, How to change it? I have \begin {figure}[h] \centering \small \textbf{X} \[\left( ...
3
votes
1answer
491 views

Multiply matrix and letter

I want to multiply a matrix with a letter, it looks like that: \documentclass{report} \usepackage{ngerman} \usepackage{amsmath} \begin{document} \[ \left( \begin{array}{ccc} | & & | \\ ...
5
votes
2answers
1k views

Rotation of a bmatrix

I'm writing a report, with a restriction on page numbers. So I want to rotate a bmatrix that sticks out of the page (horizontal) and put it inside a \minipage. My bmatrix: \begin{equation} ...
7
votes
2answers
333 views

Passing an argument with the alignment operator (&) to a macro within another aligned environment

I am trying to write macros for quickly formatting matrices in math mode. Here is a simple, working example: \documentclass{article} \usepackage{amsmath} ...
4
votes
2answers
644 views

Block matrices, separator with space

I want to write block matrices like the one shown below I tried underlining, fraction, and using __ as an entry by making three rows but they did not look nice.I want the horizontal lines inside ...
7
votes
2answers
2k views

Caption on side by side matrices

I have two matrices side by side, like this: \[ \left[\begin{array}{cc} a & b \\ c & d \end{array}\right] \qquad \left[\begin{array}{cc} e & f \\ g & h ...
10
votes
2answers
662 views

Why is picture and matrix not drawn at the same height

I'm trying to put a adjacency matrix beneath a graph using subfloat. The graph is drawn with tikz. No matter what I do, the matrix is put below the graph as shown here: The code is here: ...
2
votes
1answer
244 views

Latex matrix not displaying right numbers

I've just started writing in latex to expose math problems to a forum. I am trying to display a matrix: \[ \begin{align*} \begin{matrix} 1 & -9 & 3 \\ 1 & 2 & -2 \\ -2 & ...
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} ...
7
votes
1answer
189 views

TikZ compiles in body, but not as command [duplicate]

Possible Duplicate: Problem with defining shortcuts for TikZ matrices. When I use the code below to draw a tikzpicture in the body of my document, it works just fine. However, when I define ...
3
votes
2answers
410 views

Multiple horizontal line separators? Multiple \over-s?

How to code the syntax like fraction, but with more than 2 components? Fractions consist of numerator and denominator while I need more. In other words: how to code column-matrix with horizontal lines ...
5
votes
1answer
285 views

Plot weighted frequency matrix

I wish to create this plot preferably in pgfplots or tikz. I have actually got a version plotted (with help from SO), but I have used R and exported the plot using tikzDevice. I can't post the ...
6
votes
2answers
441 views

Set Braces in XYPic, XYMatrix

I want to add three braces to a xymatrix in a xypic environment. Here's how I got so far. \documentclass[11pt]{article} % use larger type; default would be 10pt \usepackage[all]{xy} \begin{document} ...
7
votes
3answers
2k views

alignat makes 3 good alignments and 1 bad

I'm having a problem with the alignat environment. This code: \begin{alignat*}{9} &X_{12}&+X_{13}& & & & & & & &=1 ...
9
votes
3answers
5k views

Matrix notation in ClassicThesis

In Classic Thesis Style Guide, the author suggests to not use bold fonts. For vectors an alternative is arrow \vec. If I don't want to use \mathbold, what is the best alternative to mark matrix in ...
3
votes
1answer
246 views

labeling diagrams with matrices

I it possible to label an arrow with a matrix in Xy-pic? In the following diagram I want to label the arrows with 2x2 matrices to represent linear maps between vector spaces, in the place of a,b and ...
11
votes
3answers
295 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 ...
7
votes
1answer
829 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 ...
1
vote
0answers
108 views

How to use Line in Matrix [duplicate]

Possible Duplicate: \bordermatrix with brackets [ ] instead of parentheses ( ) I need to write a complicated matrix, that has a structure as in the attached picture
8
votes
1answer
665 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{ ...
1
vote
0answers
191 views

Matrix with arrow - problem [closed]

I am using the following code from this question: Highlight elements in the matrix \documentclass{article} \usepackage{tikz} \usetikzlibrary{fit} \tikzset{% highlight/.style={rectangle,rounded ...
4
votes
3answers
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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 ...
6
votes
1answer
1k 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 ...
6
votes
2answers
158 views

nodes in matrix and its incorporation into document

i continue with my previous post (here) concerning various additions to matrix. I have following problem: how to add nodes into matrix and this whole matrix incorporate into the document ? My task is ...
6
votes
1answer
760 views

Adding nodes and horizontal lines for pmatrix

Yesterday, I posted question concerning solid diagonal line within matrix. But my problem continues, since I am supposed to add into the matrix even the vertical line and labels. Is there a way how to ...
21
votes
3answers
1k 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:
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. ...
11
votes
6answers
7k views

Labelling Ax = b under an actual Matrix

I wish to achieve the following in Latex: | a b | x | x1 | = | b1 | | c d | | x2 | | b2 | A x b Where I write the labels A, x, and b under the respective matrices. The code I'm ...
4
votes
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 ...
11
votes
1answer
6k 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 ...
4
votes
1answer
860 views

Alignment of nodes and scopes in tikz matrix?

I am trying to fix the positions of the arrows of the following diagram without much success. I would like the arrows to be centered (both horizontally and vertically) in the matrix cell no matter ...
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} ...
6
votes
4answers
4k views

Side by Side matrices

How can I get matrices that are side by side? Currently I have the following: \[ \begin{pmatrix}[ccc|c] 1&2&0&0\\ -1&1&2&0\\ 1&0&1&5\\ 0&-2&1&4 ...
6
votes
2answers
2k views

Big block matrix with tikz

I know this is very similar to plenty of questions. The matrix below s actually bigger, so I realized that I had to use tikz. In this array, A, A',…,L', T are square matrices, and I filled with ...
6
votes
2answers
1k views

How to modify a node in TikZ when using beamer's overlays

I have a matrix initialized with some colors and no values. With the help of beamer's overlays I wanted to modify the matrix in the next step, changing some of the colors and inserting some values. I ...
6
votes
2answers
646 views

How to justify an element in matrix

I have a formula in LaTeX attached below. But I could not justify the position of $+\infty$ symbol. I want it appear just after the $\{$ and aligns to the left of the second term. The LaTeX Code: ...
1
vote
1answer
489 views

a line through a column in MathML [closed]

I have a problem with MathML. How can I draw a line through a column (row and column at the same time) in a matrix? An example in TEX: Draw a line through one column of a matrix
4
votes
1answer
528 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 ...
6
votes
1answer
7k views

multicolumn in array environment

I want to create a matrix like the following in a math environment but i keep getting compile errors. \begin{array}{c c c c} \multicolumn{3}{c}{R} & P \\ 0 & 0 & 0 & 1 \end{array}
4
votes
1answer
1k views

`pmatrix` line break

I wrote a matrix using the pmatrix environment. The content is very long and LaTeX produces an output of the kind (the "a" line extending beyond \textwidth): ( aaa aaa aaa aaa aaa aaa + aaa aaa aaa ) ...
6
votes
3answers
2k views

Typesetting sparse matrices with long entries

When typesetting a (square) matrix with arbitrary dimension but repeated entries (in particular null entries), I make use of the \cdots, \vdots and \ddots commands. When the entries of the matrix are ...
4
votes
2answers
869 views

How can I type an expression of a column vector

I want to type a column vector like below: [ dx ] UI = [ dy ] [ dtheta ] U is the name of this vector, and I is the subscript. Two brackets like the matrix style. dx, dy and ...
6
votes
1answer
1k views

How to adjust the width of a \hdashline inside a pmatrix?

I'm using \hdashline from the arydshln package to draw a horizontal line inside a pmatrix: How can I reduce the width of this line to prevent it from touching the outer parentheses?
5
votes
2answers
3k views

Typsetting big matrix (but keeping A4 size)

This question is a slight variation of Compiling a BIG matrix, but I need to write a matrix in a A4 or letter size paper; it is a block 48x48 matrix but I can put lot of $0_2$ and $0_4$'s in order to ...
3
votes
1answer
954 views

TikZ change matrix cell color background

I have a TikZ code that generates this: using something along the lines of the following snippet. The full code corresponding to this snippet can be obtained from the answer to question ...
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 ...
2
votes
1answer
315 views

Matrix is not getting displayed completely in Latex

I am trying to display the matrix in latex document using below code.But the right side of the matrix is not getting displayed completely.Please check this. \[ M= \left[ ...