pdeexam.deq

defequ

unknown[0]:="u";
u'(t,x):={v(t,x)};
u_(x):={sin(x)};
u_L(t):={sin(t)};
u_R(t):={sin(t)};
unknown[1]:="v";
v'(t,x):={u'xx(t,x)};
v_(x):={1};
v_L(t):={cos(t)};
v_R(t):={cos(t)};
t0:=0;
dt:=pi/50;
maxt:=2*pi-dt/2;
x0:=0;
x1:=2*Pi;
n:=25;