Recent content by amnon_willi

Hello, I have problem I wish to solve, and I wonder if anyone already delt with it when solving the Schrödinger 2D equation. say E(x,y) is a scalar field function that complies with ( \frac{d}{dx}2+\frac{d}{dy}2 ) *E(x,y)+k(x,y)*E(x,y)=k1*E(x,y) where k(x,y)={k2 for x2+y2<R2 and 0...