stephen.walton at csun.edu
Wed Feb 23 08:02:04 CST 2005
Nils Wagner wrote:
> Hi all,
> Is it somehow possible to improve the accuracy of derivative ?
from scipy import *
for i in arange(1,6):
print i,' derivative of exp(2*x) at x=0',d,'exact',2**i
print ' rel error %e' % (d/2**i - 1)
Changing the order to 9 improves the accuracy of the 6th derivative from
1e-4 to 3e-7.
More information about the SciPy-user