def _default_response_times(A, n):
 vals = linalg.eigvals(A)
 r = min(abs(real(vals)))
 if (r == 0.0):
  r = 1.0
 tc = (1.0 / r)
 t = linspace(0.0, (7 * tc), n)
 return t

def _default_response_times ( A , n ) : vals = linalg . eigvals ( A ) r = min ( abs ( real ( vals ) ) ) if ( r == 0.0 ) : r = 1.0 tc = ( 1.0 / r ) t = linspace ( 0.0 , ( 7 * tc ) , n ) return t
compute a reasonable set of time samples for the response time .