Computing the hessian matrix

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Eric Hemp
Eric Hemp 2017-4-3
编辑： RAJ KUMAR 2017-4-4
So I need to compute the gradient and hessian of a given equation. The sample equation is Y=2*X(1)^3+3*X(2)^2+X(3). I think I was able to get the gradient by using gradient(X,Y). However when I try using the hessian function I receive the error "Undefined function 'hessian' for input arguments of type 'double'." Thanks for the help
  2 个评论
Torsten
Torsten 2017-4-4
Please show the code you are using and the error message you get.
Best wishes
Torsten.
RAJ KUMAR
RAJ KUMAR 2017-4-4
编辑：RAJ KUMAR 2017-4-4
Use
Y=2*X(1).^3+3*X(2).^2+X(3);
instead of
Y=2*X(1)^3+3*X(2)^2+X(3);
I think you'll get what you want.
Raj

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