From f118201037b75320cc963d2dabc942caec41406c Mon Sep 17 00:00:00 2001 From: mattia-robbiano Date: Fri, 27 Feb 2026 16:12:55 +0200 Subject: [PATCH] fix: setting user defined optimizer --- src/qibotn/backends/quimb.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/qibotn/backends/quimb.py b/src/qibotn/backends/quimb.py index 3b38e3a..d9dc3fa 100644 --- 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