 
 
 
delrows (resp delcols) removes one or several rows (resp 
columns) of a matrix.
delrows (resp delcols) takes 2 arguments : a matrix A, and 
an interval n1..n2.
delrows (resp delcols) returns the matrix where the rows 
(resp columns) of index from n1 to n2 of A are removed.
Input :
Output :
Input :
Output :
Input :
Output :
Input :
Output :
 
 
