powell

MESMER-group · Aug 30, 2024 · 0df1b71 · 0df1b71
1 parent 0f0f66c
commit 0df1b71
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Showing 4 changed files with 2 additions and 2 deletions.
diff --git a/mesmer/stats/_power_transformer.py b/mesmer/stats/_power_transformer.py
@@ -177,7 +177,7 @@ def _neg_log_likelihood(coeffs):
     first_guess = np.array([1, 0])
 
     xi_0, xi_1 = minimize(
-        _neg_log_likelihood, x0=first_guess, bounds=bounds, method="L-BFGS-B", jac="cs"
+        _neg_log_likelihood, x0=first_guess, bounds=bounds, method="Powell"
     ).x
 
     return xi_0, xi_1

diff --git a/tests/test-data/output/tas/mon/test-mesmer_m-params.nc b/tests/test-data/output/tas/mon/test-mesmer_m-params.nc
diff --git a/tests/test-data/output/tas/mon/test_mesmer_m_realisations_expected.nc b/tests/test-data/output/tas/mon/test_mesmer_m_realisations_expected.nc
diff --git a/tests/unit/test_power_transformer.py b/tests/unit/test_power_transformer.py
@@ -48,7 +48,7 @@ def test_yeo_johnson_optimize_lambda_np_normal():
     np.testing.assert_allclose(result, expected, atol=1e-2)
 
     # to test numerical stability
-    expected_exact = np.array([9.976913e-01, -1.998520e-05])
+    expected_exact = np.array([9.976784e-01, -6.410572e-07])
     np.testing.assert_allclose(result, expected_exact, atol=1e-7)