orbithunter.RelativeOrbitKS.matvec¶
-
RelativeOrbitKS.
matvec
(other, **kwargs)[source]¶ Extension of parent class method
- Parameters
- otherRelativeOrbitKS
RelativeOrbitKS instance whose state represents the vector in the matrix-vector multiplication.
- Returns
- RelativeOrbitKS
RelativeOrbitKS whose state and other parameters result from the matrix-vector product.
Notes
Equivalent to computation of (v_t + v_xx + v_xxxx + phi * v_x) + d_x (u .* v) The additional term phi * v_x is in the linear portion of the equation, meaning that we can calculate it and add it to the rest of the mapping a posteriori.