Paul Nation

There should be an easy way to compute expectation values for operators

19

### What should we add? Currently there is no way good way to compute expectation values in Qiskit. The `StateVector` and `DensityMatrix` objects in `quantum_info` have `expectation_value` methods, but there...

Sec 1.4 Updates

4

> between initialising the qubits and measuring them, the operations are always reversible! As a result, all the gates we can use in a quantum circuit are reversible too. This...

Rework how Qiskit gets cited

1

### What is the expected behavior? The current bibtex citation format is not ideal, including many user names rather than actual names, and does not take into account the level...

remove redundant rst files

1

### Summary Removes RST files that are causing additional links to show up in the tutorials. ### Details and comments

Where to put amplitude_estimation and generating_random_variates tutorials

1

I am not sure what category to put the amplitude estimation and random variates under. @stefan-woerner do you have any thoughts on this?

6b_process_tomography.ipynb legacy tutorial raises exception

2

On Qiskit 0.19.6, this tutorial raises the following exception: QiskitError: 'channel is not completely-positive'

6a_state_tomography.ipynb legacy tutorial raises error

1

On Qiskit 0.19.6 this tutorial raises the following exception: SolverError: Either candidate conic solvers (['ECOS']) do not support the cones output by the problem (SOC, Zero, PSD), or there are...