I have been set an assignment to develop functions newton and bisection which use these methods to find the roots of functions. I have a function class a testfunction class and a root class, im having trouble bringing everything together.. if someone could take a look over what ive got i'd be grateful.

Function class was given to us and I dont really understand how to use it.

Go through the code in the (badly-named) Function class and see what the different options in the apply() method do. They appear to work out formulae of the x^3 + 3x^2 - 5x - 3 variety. And don't use Math.pow(x, 3) for cube. Use x * x * x.

john mater
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Joined: May 08, 2009
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Thanks, noted and changed.. how do I go about creating a test class with some arbitrary starting values and a function from Function which tests my root finding methods?

john mater
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Joined: May 08, 2009
Posts: 23

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Someone please help as this code is driving me crazy.. I have two Classes Function and Roots:

My question is how do I modify Roots to call/use the functions created by my Function class? Thanks