Source Code for Package linear_operators.iterative

 1  """ 
 2  Implement algorithms using the LinearOperator class 
 3  """ 
 4  import numpy as np 
 5  from copy import copy 
 6   
 7  from norms import * 
 8  from linesearch import * 
 9  from criterions import * 
10  from algorithms import * 
11  from dli import * 
12   
13  # functions with optional dependencies 
14   
15   
16  try: 
17      import scikits.optimization 
18  except ImportError: 
19      pass 
20   
21  if 'scikits' in locals(): 
22      if 'optimization' in scikits.__dict__: 
23          from optimization import * 
24   
25  try: 
26      from scipy import optimize as scipy_optimize 
27  except ImportError: 
28      pass 
29   
30  if "scipy_optimize" in locals(): 
31      from optimize import * 
32