seemps.analysis.derivatives.fourier_derivative_mpo#
- seemps.analysis.derivatives.fourier_derivative_mpo(order: int, interval: QuantizedInterval | tuple[float, float, int], strategy: Strategy = DEFAULT_STRATEGY) MPOList[source]#
Nth-order derivative operator via Quantum Fourier Transform.
Compute the order-th spatial derivative operator that can be applied on any function encoded as quantized tensor train, and defined on a uniform grid of length L.
- Parameters:
- order
int Order of the derivative
- interval: QuantizedInterval | IntervalTuple
The interval over which the function is defined.
- order
- Returns:
MPOListOperator that implements the derivative.