qiskit.circuit.ParameterExpression.gradient¶
-
ParameterExpression.gradient(param)[source]¶ Get the derivative of a parameter expression w.r.t. a specified parameter expression.
- Parameters
param (Parameter) – Parameter w.r.t. which we want to take the derivative
- Return type
Union[ParameterExpression,float]- Returns
ParameterExpression representing the gradient of param_expr w.r.t. param