qiskit.circuit.ParameterExpression.gradient

ParameterExpression.gradient(param)

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, complex]

Returns

ParameterExpression representing the gradient of param_expr w.r.t. param or complex or float number