/[escript]/trunk/escript/py_src/flows.py
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revision 1480 by gross, Thu Apr 3 05:17:54 2008 UTC revision 1481 by artak, Wed Apr 9 00:45:47 2008 UTC
# Line 131  class StokesProblemCartesian(Homogeneous Line 131  class StokesProblemCartesian(Homogeneous
131                return True                return True
132            else:            else:
133                return False                return False
134    
135          def stoppingcriterium_MINRES(self,norm_r,norm_Ax):
136              if self.verbose: print "MINRES step %s: L2(r) = %s, L2(b)*TOL=%s"%(self.iter,norm_r,norm_Ax*self.getTolerance())
137              self.iter+=1
138              if norm_r <= norm_Ax*self.getTolerance():
139                  if self.verbose: print "MINRES terminated after %s steps."%self.iter
140                  return True
141              else:
142                  return False
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