Optional
duplicate the data
true Copy
true
column index in matrix for the last column in subMatrix.
matrix[0].length - 1 Copy
matrix[0].length - 1
row index in matrix for the last row in subMatrix.
matrix.length - 1 Copy
matrix.length - 1
column index in matrix for the first column in subMatrix.
0 Copy
0
row index in matrix for the first row in subMatrix.
duplicate the data