Changeset 82 for tests/sam_zimmermann.py

Timestamp:

01/26/09 16:12:08 (7 years ago)

Author:

mmckerns

Message:

scipy.optimize.fmin fit to mystic.Solve interface;
mystic handlers, etc added to fmin solver;
VerboseSow? edited to handle simplex-type cloud of results per iteration

File:

• tests/sam_zimmermann.py (modified) (2 diffs)

tests/sam_zimmermann.py

@@ -12 +12 @@
 import sam
 from test_zimmermann import *
-from mystic.nelder_mead import fmin
+from mystic.scipy_optimize_fmin import NelderMeadSimplexSolver as fmin
+from mystic.nmtools import IterationRelativeError as IRE
 from mystic import getch, Sow
 
@@ -39 +40 @@
 def run_once():
     simplex = Sow()
-    sol = fmin(CostFunction, [random.uniform(0,7), random.uniform(0,7)], retall = True, StepMonitor = simplex)
-    
+    solver = fmin(2)
+    solver.SetRandomInitialPoints([0,0],[7,7])
+    killme = IRE(1e-4,1e-4)
+    solver.Solve(CostFunction, termination=killme, StepMonitor = simplex)
+    sol = solver.Solution()
+
     for x in simplex.x:
         sam.putarray('x',x)