Function random

random(
    rows: number,
    cols?: number,
    inf?: number,
    sup?: number,
): ChalkboardMatrix
Initializes a random matrix.
Parameters
- rows: number
  The number of rows or (if the cols parameter is blank) the number of rows or columns (the size)
- Optionalcols: number = rows
  The number of columns
- Optionalinf: number = 0
  The lower bound
- Optionalsup: number = 1
  The upper bound
Returns ChalkboardMatrix
Example
```
const result = Chalkboard.matr.random(3, 3, -1, 1); // Returns a random 3-by-3 matrix
```
- Defined in Chalkboard.matr.ts:1737