1 #!/usr/bin/python

     2 ## 2.2

     3 

     4 import scipy as sp

     5 from scipy import linalg

     6 

     7 F=sp.array([[-1,0],[1,0]])

     8 print linalg.expm(F)

     9 

    10 # """

    11 # 1. linalg.expm computes the matrix exponential using Pade approximation.

    12 # 2. linalg.expm2 computes the matrix exponential using eigenvalue decomposition.

    13 # 3. linalg.expm3 computes the matrix exponential using Taylor series.

    14 # """

    15 

    16