Tutorials
Libraries
API References
qiskit.aqua
qiskit.chemistry
qiskit.finance
qiskit.ml
qiskit.optimization
qiskit.optimization.algorithms
qiskit.optimization.applications
qiskit.optimization.converters
qiskit.optimization.problems
Troubleshooting
Returns a variable for a given name or index.
i (Union[int, str]) – the index or name of the variable.
Union
int
str
Variable
The corresponding variable.