What's a Matrix

Matrix is a table of numbers. It's created using the syntax below.

Matrix width x height
m11 m12 ... m1 width
m21 m22 ... m2 width
...
mheight 1 ... mheight width

Remarks
Maximum dimensions of a matrix are 100 x 100. The elements are valid numbers. Matrix that has random elements is referenced as a stochastic matrix.
Example
# Creates a 5 x 3 matrix
Matrix 5 x 3
  1 0 0 1 1
  0 1 0 1 1
  0 0 1 1 1
...see script samples