Questions tagged [matrices]
{matrices} is about matrices in {equations} and {diagrams}.
1,993
questions
5
votes
1
answer
130
views
Aligning equation at the \middle| of a \left ... \middle ... \right triple
I'm typesetting a matrix inversion procedure by means of Gaussian elimination. This typically involves writing a big matrix with a bar in the middle, which separates the original matrix from the to-be ...
- 748
-1
votes
0
answers
40
views
What should be the determinant of a diagonally dominant matrix with all positive entries? [closed]
Assume that we have an n by n diagonally dominant matrix with all positive entries. Is it possible for this matrix to have negative determinant?
- 1
1
vote
1
answer
49
views
NiceMatrix and arXiv not up to date
I am trying to publish a paper on arXiv and I have realized that one of my figures yields an error when I try rendering my code using the arXiv repository. On my machine, the figure works well, ...
- 73
7
votes
4
answers
707
views
Big zeros in block diagonal matrix
I'm trying to create a block diagonal matrix with labeled blocks as shown in the images below:
I have tried:
\documentclass{article}
\usepackage{amsmath}
\begin{document}
\begin{equation}
\...
4
votes
1
answer
63
views
bmatrix* from mathtools results in huge column spacing when using [S]
I want to vertical align values inside a matrix by the decimal separator.
The usage of \begin{bmatrix*}[r] only gives pretty results if all numbers have the same length. If this is not the case, \...
- 163
3
votes
1
answer
71
views
Typing Pfaffian
I am trying to typeset Pfaffian for the 2D Ising model. The structure of the Pffafian is given below
The code is
\[\mathrm{Pf} =
\begin{pmatrix}
a_{12} & a_{13} & a_{14} & a_{15} & ...
- 557
3
votes
3
answers
162
views
Rotate edges in tikz
this is my code for a directed graph. I use the rotate function and now the edges are in a muddle.
\begin{turn}{90}
\begin{tikzpicture}[>=Stealth,->,line width=.7pt]
\matrix [matrix of math ...
- 69
3
votes
0
answers
116
views
Incorrect matrix bracket height with `unicode-math`
I need to use the package unicode-math in my document, but this makes the height of the brackets in the matrix look too short. (The matrices of order 2 seem to be normal, though.) I have tried various ...
1
vote
1
answer
27
views
missplaced /cr on trying to put matrices in an align
I'm trying to put some matrices in an align environment as follows:
\begin{align*}
X^T\cdot J-J\cdot X&=\begin{pmatrix}
A^T&C^T\\B^T&D^T
\end{pmatrix}\cdot\begin{pmatrix}
...
- 11
2
votes
0
answers
33
views
Long nicematrix with color and margin text [closed]
I currently would like to have a matrix that is long and includes some color on each row. However, whenever I use the & multiple times, I get an error saying I have an extra alignment tab that has ...
- 73
6
votes
2
answers
133
views
Simply Adjusting the Position of Dashed Lines in Nicematrix Package
I encountered a problem with the horizontal dashed line created by the nicematrix package in LaTeX. The line is a little close to the bottom of the matrix, overlapping with the elements of the second ...
- 63
2
votes
2
answers
58
views
pmatrix only considers one character before closing brackets
I am running Ubunutu 22.04.3 WSL2 with latexmk version 4.76. I had this bug when compiling with vimtex, so I tried compiling with latexmk directly and the same issue persisted. The compilation (with ...
- 23
4
votes
1
answer
185
views
Lengthen tikz-cd Arrow Based on Label
I was wondering if it is possible to automatically lengthen a tikz-cd arrow based on the width of its label (perhaps with some padding)?
Typesetting, for example, the commutative diagram
\...
- 317
1
vote
1
answer
80
views
Upper triangular block matrix
I want to do that :
It's a 3-3 matrix, with a star in the upper triangular region and a big zero in the lower. It doesn't seem possible to do that with nicematrix, because here the blocks are not ...
- 125
2
votes
1
answer
69
views
NiceMatrix Right Margin elements
I have been struggling to figure out what is wrong with my code. I currently have a matrix with some colors and on the margin, I would like arrows. At the moment I currently have this
\documentclass{...
- 73