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By running a small code snippet shown below I noticed that TNQVM initializes/finalizes ExaTN server upon each expectation value calculation, which of course introduces additional overhead. The TNQVM-E…
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Hi,
I'm a contributor of qulacs.
First of all, thanks for adding our library qulacs to this nice benchmark project.
I've checked qulacs benchmark script, and confirmed it is implemented in an eff…
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As discussed with @ewinston, the names of the controlled gates are inconsistent. For instance, the controlled version of `HGate` is called `CHGate` but `YGate` becomes `CyGate`. This applies to many o…
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The paper "[Quantum circuit structure learning](https://arxiv.org/abs/1905.09692v1)" proposes two new algorithms for optimizing parameterized quantum circuits, `Rotosolve` and `Rotoselect`.
These …
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### Information
- **Qiskit Terra version**: master
- **Python version**: 3.7.4
- **Operating system**: macOS 10.14
### What is the current behavior?
Since `ParameterExpression` does not…
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Quite accidentally I ran an optimization pass which ended up working correctly but changing a parameter to a formula in sympy, like Symbol('a') + 1.23.
It occurred to me that if we allow this, then…
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Original Author: @shelby3
Original URL: https://github.com/keean/zenscript/issues/35#issue-243345358
Original Date: July 17, 2017
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![](https://upload.wikimedia.org/wik…
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This issue is for discussing and tracking how we should improve cirq's noise capabilities.
My opinions follow.
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Right now cirq's noise story is quite clunky. Our original idea was to keep …
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### What is the expected enhancement?
Need the QuantumInstance API code base. In vqe.py there is a find_minimum function definition of which is not present at https://qiskit.org/documentation/a…
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sweep = (cirq.Linspace(key='alpha', start=0.1, stop=0.9, length=5)
* cirq.Linspace(key='beta', start=0.1, stop=0.9, length=5)
* cirq.Linspace(key='gamma', start=0.1, stop=0.9, length…