Misalkan diketahui persamaan diferensial parsial (PDP): −u’’(x)+u(x)=x2-u^{^{’’}}\left(x\right)+u\left(x\right)=x^2−u’’(x)+u(x)=x2 , x ∈ (0,1) u(0)=u(1)=0u\left(0\right)=u\left(1\right)=0u(0)=u(1)=0 Tentukan solusi numerik PDP tersebut