Question

The PDE Uxx+Uyy=xy holds on the area G.
G: x,y >=0; x+y=1.

On the straight borders of G: u(x,0)=1-x, u(0,y)=1-y.
On x+y=1: u(x,y)=x+y-1.

Take h=0.35 (axes increments).

Determine the unknown values at the internal points on the roster

Answer 1

its 2y + x