Checks if a matrix is of a particular size.
The matrix
The number of rows or (if the cols parameter is blank) the number of rows or columns (the size)
Optional
The number of columns
const result = Chalkboard.matr.isSizeOf([[1, 2, 3], [4, 5, 6]], 2, 3); // Returns true Copy
const result = Chalkboard.matr.isSizeOf([[1, 2, 3], [4, 5, 6]], 2, 3); // Returns true
Checks if a matrix is of a particular size.