[SciPy-User] Matrix Exponentials For Very Large Sparse Matrices

Charles R Harris charlesr.harris@gmail....
Fri Jan 22 20:18:16 CST 2010

On Fri, Jan 22, 2010 at 6:24 PM, Dylan Gorman <dgorman@berkeley.edu> wrote:

> Dear Chuck and Joshua,
> It's a problem in quantum simulation. I'm trying to solve d(rho)/dt =
> L*rho for a sparse matrix L. L should be symmetric, and in principle I
> just need to compute (e^L*t)*(rho(0)) or something--not e^(L*t)
> explicitly.
Does L approximate a differential operator or is it an expansion in some
other basis set?


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