Add custom ansatz op to state vector evaluator #29
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AlbertoBaiardi
approved these changes
Sep 5, 2025
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| def test_custom_ansatz(self): | ||
| """Test that we can construct the ansatz from a different operator.""" | ||
| ansatz_op = SparsePauliOp.from_list([("ZI", 1)]) | ||
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| energy1 = self.evaluator.evaluate(self.cost_op, params=[1.2, 1.3], ansatz_circuit=ansatz_op) | ||
| energy2 = self.evaluator.evaluate(self.cost_op, params=[1.2, 1.3]) | ||
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| self.assertTrue(abs(energy1 - energy2) > 0.1) |
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Would it make sense to have the same test, but where we pass aself.cost_op to the keyword argument ansatz_circuit of the evaluate call, and we check that the energy is the same as if we did not pass anything?
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That's a good idea. Done here: d7cfe91
AlbertoBaiardi
approved these changes
Sep 8, 2025
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Summary
We can easily add the possibility to use a custom ansatz operator to the state vector evaluator.
Details and comments
This PR adds the option to give a custom operator to the state vector evaluator and adds a corresponding test.
Version updated
Please increment the
qaoa_training_pipeline_versionvariable and extend the main README.md.