Implement no optimization as a special NoOp optimizer

SMTorg · Jan 29, 2025 · b1091b8 · b1091b8
1 parent f2e2cf2
commit b1091b8
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/smt/surrogate_models/krg_based.py b/smt/surrogate_models/krg_based.py
@@ -153,9 +153,8 @@ def _initialize(self):
         declare(
             "hyper_opt",
             "TNC",
-            values=("Cobyla", "TNC"),
+            values=("Cobyla", "TNC", "NoOp"),
             desc="Optimiser for hyperparameters optimisation",
-            types=str,
         )
         declare(
             "eval_noise",
@@ -2267,10 +2266,12 @@ def hessian_minus_reduced_likelihood_function(log10t):
                             )
                             if optimal_theta_res_loop["fun"] < optimal_theta_res["fun"]:
                                 optimal_theta_res = optimal_theta_res_loop
+                    elif self.options["hyper_opt"] == "NoOp":
+                        optimal_theta_res["x"] = theta0
 
                     if "x" not in optimal_theta_res:
                         raise ValueError(
-                            f"Optimizer encountered a problem: {optimal_theta_res_loop!s}"
+                            f"Optimizer encountered a problem: {optimal_theta_res_loop}"
                         )
                     optimal_theta = optimal_theta_res["x"]