6
votes
1answer
107 views

Breaking equation in align enviroment to put textwidth matrix in separate line

I have to put a textwidth pmatrix into an align environment. When using split, it destroys the centered alignment of the other equation. Pseudocode: \begin{align} \vec{a} &= \vec{b} + \vec{c} ...
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
144 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 & ...
6
votes
3answers
338 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 ...
7
votes
2answers
271 views

Align the length of two nodes inside a matrix

I wanted to create a node with vertical and horizontal parts. So after some searching I found that I can achieve this by using a matrix. I tried the code below: \documentclass{article} ...
2
votes
1answer
350 views

Adding text over matrix in LaTeX

I am trying to accomplish this in LaTeX. j ⎡a b c⎤ |d e f| ⎣h i j⎦ so that the "j" is aligned with the center of the matrix. It seems like I can't use the \begin{align} ...
2
votes
1answer
191 views

How to position “=” mid-line inside a '\raisebox' and then `align` using `&=` with expression below?

In order to get a full stop at the bottom, rather than mid-line, after an aligned matrix expression, I have raised the expression using a raisebox, and adjusted space using `vspace'. This is now ...
6
votes
3answers
371 views

Optional argument to an environment inside align

I have lots of matrices so I want to define a mat environment. I sometimes need the matrix to have right-aligned columns so I am using mathtools and I want to have an optional argument that is ...