pdeexam2.deq

defequ

unknown[0]:="u";
u'(t,x,y):={v(t,x,y)};
u_(x,y):={sin(x)*sin(y)};
u_x0(t,y):={0};
u_x1(t,y):={0};
u_y0(t,x):={0};
u_y1(t,x):={0};
unknown[1]:="v";
v'(t,x,y):={u'xx(t,x,y)+u'yy(t,x,y)};
v_(x,y):={0};
v_x0(t,y):={0};
v_x1(t,y):={0};
v_y0(t,x):={0};
v_y1(t,x):={0};
t0:=0;
maxt:=pi/pow(0.5,0.5);
dt:=maxt/60;
x0:=0;
x1:=pi;
y0:=0;
y1:=pi;
n:=11;