Re: [sage-support] Complex Numbers in vectors and matrices

2009-11-18 Thread Robert Bradshaw
On Nov 18, 2009, at 6:25 PM, Ichnich wrote: > Hi, > > I want to find the solution of a system of coupled differential > equations. > Therfore I need the eigenvalues and vectors of a matrix D and their > complex conjugates. > short example: > sage: D=matrix([[0,1],[-1,0]]) > > sage: EV=D.eigenvect

[sage-support] Complex Numbers in vectors and matrices

2009-11-18 Thread Ichnich
Hi, I want to find the solution of a system of coupled differential equations. Therfore I need the eigenvalues and vectors of a matrix D and their complex conjugates. short example: sage: D=matrix([[0,1],[-1,0]]) sage: EV=D.eigenvectors_left();EV [(-1*I, [(1, 1*I)], 1), (1*I, [(1, -1*I)], 1)] s