<?php
include_once(dirname(__FILE__) . '/../classes/Equation.class.php');
/*
* Aim
*
* Define an equation object and play with all the different methods that
* has the object
*/
/*
* Assuming equation
*
* y = 2x4 + 3x2 - 2x + 10
*
* defined coefficients will be
*/
$coeffs = array(
2, // 2x4
0, // 0x3
3, // 2x
-2, // -2x
10 // 10
);
/*
* And then, equation object can be instanced
*/
$equation = new Equation($coeffs);
/*
* Get equation degree
*/
// Prints 4
print $equation->getDegree() . "\n";
/*
* Get some coefficients
*/
// Second order: prints 3
print $equation->coeff(2) . "\n";
// Independent: prints 10
print $equation->coeff(0) . "\n";
/*
* Evaluate equation
*/
// If x=2 gives 50
print $equation->evaluate(2) . "\n";
?>
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