Changeset 373 for branches/alta/mystic-0.2a1/test_constraints_zimmermann.py

Timestamp:

08/04/10 16:07:50 (6 years ago)

Author:

altafang

Message:

Fixing minor things, adjusting termination conditions on tests

File:

• branches/alta/mystic-0.2a1/test_constraints_zimmermann.py (modified) (3 diffs)

branches/alta/mystic-0.2a1/test_constraints_zimmermann.py

@@ -16 +16 @@
 Mystic Results:
 ---------------
+Note that more precise results could be obtained by adjusting termination,
+since VTR's default is tol=0.005, which is pretty rough.
+
 Differential Evolution, penalty
 soln= [6.9934815592274999, 2.0016578755677443]
@@ -207 +210 @@
     from differential_evolution import DifferentialEvolutionSolver
     from mystic.termination import VTR
+    from mystic.termination import CandidateRelativeTolerance as CRT
     from mystic.strategy import Rand1Bin
     solver = DifferentialEvolutionSolver(ndim, npop)
     solver.SetRandomInitialPoints(lb, ub)
     solver.enable_signal_handler()
-    term = VTR()
+    #term = VTR()
+    term = CRT() # more precise
     solver.Solve(costfunc, term, constraints=constraints_string, \
                 constraints_method='penalty', strategy=Rand1Bin)
@@ -484 +489 @@
     from scipy_optimize import NelderMeadSimplexSolver
     from mystic.termination import VTR
+    from mystic.termination import CandidateRelativeTolerance as CRT
     solver = NelderMeadSimplexSolver(ndim)
     
     solver.SetRandomInitialPoints(lb, ub)
     solver.enable_signal_handler()
-    term = VTR()
+    #term = VTR()
+    term = CRT()
     solver.Solve(costfunc, term, constraints=constraints_string, \
                 constraints_method='auglag')