typo + norm

fides-dev · Mar 10, 2021 · 64c8f9e · 64c8f9e
1 parent a44c3ad
commit 64c8f9e
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/fides/hessian_approximation.py b/fides/hessian_approximation.py
@@ -9,6 +9,7 @@
 
 from typing import Optional
 import numpy as np
+from numpy.linalg import norm
 
 
 class HessianApproximation:
@@ -76,7 +77,7 @@ def update(self, s, y):
         d = z.T.dot(s)
 
         # [NocedalWright2006] (6.26) reject if update degenerate
-        if np.abs(d) >= 1e-8 * np.norm(s) * np.norm():
+        if np.abs(d) >= 1e-8 * norm(s) * norm():
             self._hess += np.outer(z, z.T)/d
 
 

diff --git a/fides/minimize.py b/fides/minimize.py
@@ -469,7 +469,8 @@ def check_continue(self) -> bool:
         if self.delta < np.spacing(1):
             self.exitflag = ExitFlag.DELTA_TOO_SMALL
             self.logger.warning(
-                f'Stopping as trust region radius ({self.delta})is smaller '
+                f'Stopping as trust region radius {self.delta:.2E} is '
+                f'smaller '
                 'than machine precision.'
             )
             return False