Metod numerico
function [t,u,v] = MN01(f,g,a,b,n,u0,v0)
h = ____(b-a)/n___;
t = _____a:h:b_____;
u = zeros(1,n+1);
v = zeros(1,n+1);
u(1) = u0;
v(1) = v0;
for i = 1:n
u(i+1) = u(i)+h*f(t(i),u(i),v(i));
v(i+1) = v(i)+h*g(t(i),u(i),v(i));
u(i+1) = u(i)+(h/2)*(f(t(i),u(i),v(i))+f(t(i+1),u(i+1),v(i+1)));
v(i+1) =v(i)+(h/2)*(g(t(i),u(i),v(i))+g(t(i+1),u(i+1),v(i+1)));
end