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[from qiskit] Inconsistency of TimeEvolutionResult.observables
#59
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bug
Something isn't working
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Opened by @Cryoris |
@ElePT, I'm likely going to use the time evolvers for several research projects. So, I'm happy to look at related issues like this one if it's not already covered :). |
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Environment
What is happening?
As noticed in Qiskit/qiskit#8271 (comment), the value of
TimeEvolutionResult.observables
differs for the different available implementations.How can we reproduce the issue?
Here's a snippet for comparison
which prints
What should happen?
The result types should be consistent. I think from a user perspective, the most convenient would be to capture the expectation values of a single observable over all timesteps in an array, which would allow computing averages or plotting very easily. For example, the format of the
SciPyEvolver
s seems like a good idea:Any suggestions?
No response
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