restore best-fit parameter values for high accuracy values of constra…

…ined values
lmfit · Jul 27, 2023 · 2a70f77 · 2a70f77
1 parent 8b2038a
commit 2a70f77
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lmfit/parameter.py b/lmfit/parameter.py
@@ -509,6 +509,7 @@ def create_uvars(self, covar=None):
         uvars = {}
         has_expr = False
         vnames, vbest, vindex = [], [], -1
+        savevals = self.valuesdict()
         for par in self.values():
             has_expr = has_expr or par.expr is not None
             if par.vary:
@@ -542,6 +543,9 @@ def create_uvars(self, covar=None):
                         uvars[par.name] = uval
                     except Exception:
                         par.stderr = 0
+        # restore all param values to saved best values
+        for parname, param in self.items():
+            param.value = savevals[parname]
         return uvars
 
     def dumps(self, **kws):