Tagged Questions

3
votes
3answers
205 views

How to transform and swap columns of this matrix in a simple way? Version 2

So, earlier today I asked the question How to transform this matrix & swap its columns in a simple way? and was given useful and elaborated answers. Now, I'm still not used to the "Array", ...
3
votes
4answers
224 views

How to transform this matrix & swap its columns in a simple way?

I would like to transform matrix $\mathbf A = \begin{pmatrix} a&b&i&j\\ c&d&k&l \\ e&f&m&n \\ g&h&o&p \end{pmatrix}$ into matrix $\mathbf B = ...
1
vote
1answer
125 views

How do I compose two functions (matrices) in Mathematica? [closed]

I'm new to Mathematica. I've been reading the 'Documentation Center' but can't find a clue about composing two functions which in my case are matrices. Here's the setup. let ...