Tagged Questions
3
votes
1answer
82 views
Diagonal text in diagonal matrix
I have a tridiagonal matrix whose diagonals d_{-1}, d_0, d_1 (thought as vectors) can be written as vector expressions.
Is there a way to nicely represent this, e.g. via a matrix which is blank ...
5
votes
2answers
167 views
Underbraces in Matrix Divided in Blocks
How to put underbraces, inside the parenthesis of a matrix, to name both sides of the blocks?
\documentclass[a4paper,12pt]{article}
\usepackage{amsmath}
\usepackage{array}
\begin{document}
.
.
.
\[
...
3
votes
2answers
190 views
LaTeX Capabilities: Complicated and Important Equations
As I am introducing LaTeX to an audience, I'd like to show how it can render equations beautifully. As such, I'd like one equation (math/physics) that combines many different formatting requirements, ...
2
votes
0answers
135 views
Formatting big matrix and ratios using multi-row entries [closed]
It is possible to write the denominator or the numerator of a ratio, as well as the entries of a matrix, in multiple rows? This could be helpful in order to format long equations inside a document.
...
6
votes
2answers
121 views
Matrix with only $a_{i1} \neq 0$ in first column
Assume that A is square. I would like to display this as follows (for i > 1):
a_{i1} in its position,
0 ... 0 (transposed) on top and below this element, and
a rectangle to the right of the first ...
7
votes
2answers
143 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}
...
1
vote
1answer
143 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 & ...
8
votes
1answer
726 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 ...
2
votes
1answer
395 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
2answers
139 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 ...
4
votes
2answers
355 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 ...
4
votes
1answer
683 views
How do I get normal-sized fractions in my matrices?
I would like to write something like the definition of a gradient operator in cartesian coordinates.
\usepackage{amsmath}
\begin{equation}
\nabla \Phi =
\begin{pmatrix}
\frac{\partial ...
0
votes
0answers
212 views
horizontal line in matrix jsMath [closed]
I am using jsMath to render my Latex math code. I implemented a small snippet of code which looks like this
<div CLASS="math">
\left(
\begin{matrix}
-0.5774 ...
6
votes
3answers
626 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 ...
4
votes
2answers
1k views
Horizontal line representing row vector in matrix
I would like to produce a graphical representation of a matrix as stack of row vectors. Because I will be publishing the math on a website, I have access to the amsmath package but no others. I find ...
5
votes
2answers
6k 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 ...
4
votes
1answer
450 views
Maxima exported file in LaTeX
I exported this document from Maxima.
\documentclass{article}
%% Created with wxMaxima 12.01.0
\setlength{\parskip}{\medskipamount}
\setlength{\parindent}{0pt}
\usepackage[utf8]{inputenc}
...
4
votes
2answers
1k views
How to write a vertical vector in LaTeX for LyX
I can't work out how to write a vertical (two dimensional) vector, with brackets spanning two lines. Do you know how to write it for LyX?
4
votes
1answer
418 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
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?
6
votes
1answer
164 views
Make the `\ddots` looks well in a transformed matrix
I want to typeset a large matrix:
\addtocounter{MaxMatrixCols}{8}
\begin{pmatrix}
1\\
&\ddots\\
& &1\\
& & &0& & & &1& & ...
6
votes
2answers
523 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 ...
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 ...
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 \\
...
4
votes
2answers
1k views
Vertical Line in \bordermatrix [duplicate]
Possible Duplicate:
bordermatrix with blocks
I need to put a vertical line between two columns of a matrix in \bordermatrix. I know how to do it in the array environment, but \bordermatrix ...
7
votes
2answers
898 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 ...
6
votes
1answer
193 views
Using “found” code to typeset augmented matrices, want [] instead of ()
Here's a minimal example of what I'm doing presently:
\documentclass[a4paper,12pt]{article}
\usepackage{amsmath}
\usepackage{arydshln}
\makeatletter
\renewcommand*\env@matrix[1][*\c@MaxMatrixCols ...
1
vote
1answer
5k views
How to represent the trace of a matrix [duplicate]
Possible Duplicate:
Define additional math operators to be typeset in roman
The trace of a matrix is often written as "Tr [matrix] ", but there does not seem to be a naive LaTeX symbol for ...
5
votes
2answers
942 views
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}
...
7
votes
2answers
724 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
...
0
votes
0answers
215 views
bmatrix interfering with align. I need to align matrices [closed]
Here is my code:
\begin{equation*} \begin{split}
begin{bmatrix} 2&5 & & 1& 0 \\ 3&5 & & 0&1 \end{bmatrix} & \rightarrow
\begin{bmatrix} 1&3 & & ...
5
votes
2answers
274 views
pmatrix without changing font size
In Plain TeX with the amstex package, is there a way to tell \pmatrix to NOT change font size?
E.g. when I do:
\sum_{\pmatrix a \\ b \\ c \endpmatrix}
I end up having to insert \scriptstyle three ...
4
votes
3answers
3k views
Typesetting on block matrix is ugly
I have a large n x n matrix I'm trying to typeset. My current code is as follows:
$\left(\begin{array}{c|ccc}
1 & c_2 & \cdots & c_n \\
\hline
0 & ...
8
votes
2answers
2k views
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 ...
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 \\
...
4
votes
1answer
2k views
How to properly resize a matrix?
Apparently text is resized in one way and math in other way. However, the commands to resize math do not work well on a matrix; it appears barely smaller and unexpectedly shifted down. The commands to ...
1
vote
2answers
935 views
Can you put two matrices in display mode side by side in LyX?
I have two matrices, and I want to render them side by side with appropriate space in between in display mode. How should it be implemented in LyX?
5
votes
2answers
728 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}
...
2
votes
2answers
371 views
Changing column separation in smallmatrix environment
How can I change the width of the space between columns in a smallmatrix environment? I can't find any decent documentation on smallmatrix anywhere.
The array environment has the setcolsep{..} ...
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}
\\
...
5
votes
2answers
2k views
Label matrix dimensions
I have a matrix equation like
Ax=b
I'd like to include the dimensions under each, like so
\underset{p\times k}{A} \underset{k\times 1}{x} = \underset{p\times 1}{b}
The problem is that this is ...
4
votes
2answers
942 views
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?
3
votes
2answers
2k views
Smaller matrices (or other math elements) in displayed math
I'm trying to find The Right Way to make a smaller matrix (but not a smallmatrix) along the following lines.
Example: Consider the following piece of LaTeX code:
% \usepackage{amsmath} in the ...
6
votes
3answers
742 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 \{
...
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 ...
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 ...
37
votes
5answers
45k views
