fix: setting user defined optimizer

2026-02-27 16:12:55 +02:00
parent cf8216bc05
commit f118201037
1 changed files with 1 additions and 1 deletions
--- a/src/qibotn/backends/quimb.py
+++ b/src/qibotn/backends/quimb.py
@@ -255,7 +255,7 @@ def exp_value_observable_symbolic(
        for label, site in zip(opstr, sites):
            op_matrix = qu.pauli(label.upper())
            ket.gate_(op_matrix, site)
-        exp_value = (bra & ket).contract(optimize="auto-hq").real
+        exp_value = (bra & ket).contract(optimize=self.contraction_optimizer).real
        expectation_value = expectation_value + coeff * exp_value

    return expectation_value