Changeset 172 for branches/UQ/TEST2.py

Timestamp:

08/07/09 11:28:29 (7 years ago)

Author:

mmckerns

Message:

bugfix in termination condition choice for UQ & parameter sensitivity
added explicit parameter sensitivity case (TEST2b.py)

File:

• branches/UQ/TEST2.py (modified) (4 diffs)

branches/UQ/TEST2.py

@@ -9 +9 @@
 #XXX: <mpi config goes here>
 
-npop = 500
-maxiter = 5
-maxfun = 5000 
-convergence_tol = 0.001
-crossover = 0.1
-percent_change = 0.5
+npop = 20
+maxiter = 1000
+maxfun = 1e+6
+convergence_tol = 1e-4
+crossover = 0.9
+percent_change = 0.9
 
 
@@ -84 +84 @@
 def dakota(cost,lb,ub):
   from mystic.differential_evolution import DifferentialEvolutionSolver2
-  from mystic.termination import VTR
+  from mystic.termination import CandidateRelativeTolerance as CRT
   from mystic.strategy import Best1Exp
   from mystic import getch, random_seed, VerboseSow, Sow
@@ -90 +90 @@
   random_seed(123)
 
-  stepmon = VerboseSow()
+ #stepmon = VerboseSow(100)
+  stepmon = Sow()
   evalmon = Sow()
 
@@ -100 +101 @@
   solver.SetEvaluationLimits(maxiter,maxfun)
 
-  solver.Solve(cost,termination=VTR(convergence_tol),strategy=Best1Exp, \
+  tol = convergence_tol
+  solver.Solve(cost,termination=CRT(tol,tol),strategy=Best1Exp, \
                CrossProbability=crossover,ScalingFactor=percent_change, \
                StepMonitor=stepmon, EvaluationMonitor=evalmon)