freegs.gradshafranov.GSElliptic# class freegs.gradshafranov.GSElliptic(Rmin)[source]# Bases: object Represents the Grad-Shafranov elliptic operator \[\Delta^* = R^2 \nabla\cdot\frac{1}{R^2}\nabla\] which is \[d^2/dR^2 + d^2/dZ^2 - (1/R)*d/dR\] __init__(Rmin)[source]# Specify minimum radius Methods __init__(Rmin) Specify minimum radius diag(dR, dZ) Return the diagonal elements diag(dR, dZ)[source]# Return the diagonal elements