submat -- submatrix |
Syntax |
submat(M: MAT, R: LIST of INT, C: LIST of INT): MAT |
Description |
Example |
/**/ M := mat([[1,2,3,4,5],[6,7,8,9,10],[11,12,13,14,15]]); /**/ submat(M,[1,3],3..5); matrix(QQ, [[3, 4, 5], [13, 14, 15]]) /**/ M := mat([[1,2,3],[4,5,6]]); /**/ submat(M,[2],[1,3]); matrix(QQ, [[4, 6]]) |
See Also |