org.opensourcephysics.cabrillo.tracker
Interface Derivative

All Known Implementing Classes:

FirstDerivative, SecondDerivative

public interface Derivative

A Derivative implements an algorithm for finding a derivative.

Author:

Douglas Brown

Method Summary

java.lang.Object[]

evaluate(java.lang.Object[] data) Evaluates the derivative.

Method Detail

evaluate

java.lang.Object[] evaluate(java.lang.Object[] data)

Evaluates the derivative. Input data: data[0] = parameters (int[] {spill, start, stepsize, count}) data[1] = xData (double[]) data[2] = yData (double[]) data[3] = validData (boolean[]) Returned result: result[0] = xDeriv (double[]) result[1] = yDeriv (double[]) result[2] = validDeriv (boolean[])

Parameters:

data - Object array containing input data

Returns:

Object array containing the result