From 0385d6c12309d35e123def6504a90d82ab81a2a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Guillermo=20Abad=20L=C3=B3pez?=
 <109400222+GuillermoAbadLopez@users.noreply.github.com>
Date: Tue, 15 Oct 2024 17:20:48 +0200
Subject: [PATCH] Fix typo in example code

---
 qiskit_algorithms/optimizers/gradient_descent.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/qiskit_algorithms/optimizers/gradient_descent.py b/qiskit_algorithms/optimizers/gradient_descent.py
index 2cad7e41..b0d43046 100644
--- a/qiskit_algorithms/optimizers/gradient_descent.py
+++ b/qiskit_algorithms/optimizers/gradient_descent.py
@@ -75,7 +75,7 @@ class GradientDescent(SteppableOptimizer):
 
             from qiskit_algorithms.optimizers import GradientDescent
 
-            def f(x):
+            def fun(x):
                 return (np.linalg.norm(x) - 1) ** 2
 
             initial_point = np.array([1, 0.5, -0.2])
@@ -106,7 +106,7 @@ def power_law():
 
                 return power_law()
 
-            def f(x):
+            def fun(x):
                 return (np.linalg.norm(x) - 1) ** 2
 
             def grad_f(x):