a=matrix([[0,0,1,-3,2],[2,-1,4,2,1],[4,-2,9,1,4],[2,-1,5,-1,5]])
a.rank()
a.row_space()
a.column_space()
a.left_kernel()
a*x=0
a.det()

Strang-2.29-U (last edited 2010-12-18 05:59:21 by mamatha)