[Date Index] [Thread Index] [Author Index]

Re: e^A (*A is a matrix)

• To: mathgroup at yoda.physics.unc.edu
• Subject: Re: e^A (*A is a matrix)
• From: keiper
• Date: Tue, 17 Mar 92 06:15:27 CST

>>Does anybody have a routine to do e^A where A is atleast a 4 by 4 matrix ?
>
>What about the "standard" procedure of writing A = MLM^-1 where L is the
>diagaonal matrix of the eigenvalues of A and M is the matrix of eigenvecors?

Or you could just use MatrixExp[ ] since that is what it is intended for.

Jerry B. Keiper
keiper at wri.com