Here is the problem, Function F(x) does not have a formula to specify the relation between x and f(x), but for each x, I have got the value of f(x) by a measurement machine.
I am interested in the point xi at which the second derivative of f(xi) is zero. Can anybody help me how to do that? Thanks, Shuli ********************************************************************* This message and any attachments are solely for the intended recipient. If you are not the intended recipient, disclosure, copying, use or distribution of the information included in this message is prohibited -- Please immediately and permanently delete.
