fixup

fides-dev · Mar 10, 2021 · 26e2b68 · 26e2b68
1 parent 64c8f9e
commit 26e2b68
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fides/hessian_approximation.py b/fides/hessian_approximation.py
@@ -77,7 +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 * norm(s) * norm():
+        if np.abs(d) >= 1e-8 * norm(s) * norm(z):
             self._hess += np.outer(z, z.T)/d