Hi, I used the following command to solve one ODE
fun = @(x,y)[y(2);y(3);(y(1)*(1-x^2))];
y0 = [1 0 8];
xspan = [-3 3];
[X,Y] = ode45(fun,xspan,y0);
However, I would like to solve this pair of equations instead of the given "fun":
How do I add two equations in the fun line?