D = matrix([[11,12,13,14],[21,22,23,24],[31,32,33,34],[41,42,43,44]])
D
det(D)
t=var('t')
T1 = matrix([[1,t,t^2,t^3],[t,1,t,t^2],[t^2,t,1,t],[t^3,t^2,t,1]])
T1
det(T1)

Strang-4.2-19-U (last edited 2010-12-18 07:47:26 by 10)