Utt=kUxx, 0<x>L, 0<t>x
Syarat Batas:U(0,t)=0 0<t>~
U(L,t)=0 0<t>~
Syarat Awal:U(x,0)=x^2 0<=x=>L
Ut(x,0)= 0<=x=>L
what model?? what asumsi? what interpretasi??/