MATLAB: Question about bvp4c solution

bvp4cdifferential equationsnumerical calculation

I used bvp4c to solve second order differential equation: A*y'' = f(y), now I want to get some special values from the solutions. How to get the values of y'' and y' from each point?

Best Answer

If you solved your equation by solving the System
y1'=y2
y2'=f(y)/A,
you can get y' and y'' by
yp=deval(sol.yp,sol.x);
plot(sol.x,yp(1,:),sol.x,yp(2,:));
Here, yp(1,:)=y' and yp(2,:)=y''.
Best wishes
Torsten.
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