Update src/qibo/backends/numpy.py

qiboteam · Mar 12, 2024 · 64ffb7b · 64ffb7b
1 parent 671a791
commit 64ffb7b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/qibo/backends/numpy.py b/src/qibo/backends/numpy.py
@@ -764,7 +764,7 @@ def calculate_expectation_density_matrix(self, hamiltonian, state, normalize):
         ev = self.np.real(self.np.trace(self.cast(hamiltonian @ state)))
         if normalize:
             norm = self.np.real(self.np.trace(state))
-            ev = ev / norm
+            ev /= norm
         return ev
 
     # TODO: remove this method