solve($b); return $s->getRowPackedCopy(); } // function findPolynomialFactors() } // class LagrangeInterpolation $x = array(2.0, 1.0, 3.0); $y = array(3.0, 4.0, 7.0); $li = new LagrangeInterpolation; $f = $li->findPolynomialFactors($x, $y); for ($i = 0; $i < 3; ++$i) { echo $f[$i]."
"; }