Create a matrix filled with ones.
ones(3)
| h | Height of the matrix. |
| w | Width of the matrix (optional). If not given, assumed to be the same as the height. |
| return value | A matrix filled with ones. |
The numbery of parameters can vary:
0 - Returns 0.
1 - Returns a square matrix with size determined by the argument.
2 - Returns a rectangular matrix with size determined by arguments.