how to write a user defined function that calculates the maximum or minimum of a quadratic equation of the form

How can we write a user-definedfunction that calculates maximum and minimum of an quadratic equation.

since i know how to find max and min of an array only.

This question has been troubling me for days. If anyone could solve it

Answer 1

[Ildeberto de los Santos Ruiz]

Try this:

---------------------

f = @(x) x^2-5*x+6;

initial = 0;

fminsearch(f,initial)

---------------------

To find a maximum, use -f instead of f.