HEADmaster

1 files changed, 0 insertions, 116 deletions

diff --git a/admin/survey/excel/PHPExcel/Shared/JAMA/examples/LMQuadTest.php b/admin/survey/excel/PHPExcel/Shared/JAMA/examples/LMQuadTest.php
deleted file mode 100644
index 706d9e9..0000000
--- a/admin/survey/excel/PHPExcel/Shared/JAMA/examples/LMQuadTest.php
+++ /dev/null
@@ -1,116 +0,0 @@
-<?php

-/**

- * quadratic (p-o)'S'S(p-o)

- * solve for o, S

- * S is a single scale factor

- */

-class LMQuadTest {

-

-	/**

-	 * @param array[] $x

-	 * @param array[] $a

-	 */

-	function val($x, $a) {

-		if (count($a) != 3) die ("Wrong number of elements in array a");

-		if (count($x) != 2) die ("Wrong number of elements in array x");

-

-		$ox = $a[0];

-		$oy = $a[1];

-		$s  = $a[2];

-

-		$sdx = $s * ($x[0] - $ox);

-		$sdy = $s * ($x[1] - $oy);

-

-		return ($sdx * $sdx) + ($sdy * $sdy);

-   }	//	function val()

-

-

-	/**

-	 * z = (p-o)'S'S(p-o)

-	 * dz/dp = 2S'S(p-o)

-	 *

-	 * z = (s*(px-ox))^2 + (s*(py-oy))^2

-	 * dz/dox = -2(s*(px-ox))*s

-	 * dz/ds = 2*s*[(px-ox)^2 + (py-oy)^2]

-	 *

-	 * z = (s*dx)^2 + (s*dy)^2

-	 * dz/ds = 2(s*dx)*dx + 2(s*dy)*dy

-	 *

-	 * @param array[] $x

-	 * @param array[] $a

-	 * @param int $a_k

-	 * @param array[] $a

-	 */

-	function grad($x, $a, $a_k) {

-		if (count($a) != 3) die ("Wrong number of elements in array a");

-		if (count($x) != 2) die ("Wrong number of elements in array x");

-		if ($a_k < 3) die ("a_k=".$a_k);

-

-		$ox = $a[0];

-		$oy = $a[1];

-		$s  = $a[2];

-

-		$dx = ($x[0] - $ox);

-		$dy = ($x[1] - $oy);

-

-		if ($a_k == 0)

-			return -2.*$s*$s*$dx;

-		elseif ($a_k == 1)

-			return -2.*$s*$s*$dy;

-		else

-			return 2.*$s*($dx*$dx + $dy*$dy);

-	}	//	function grad()

-

-

-	/**

-	 * @return array[] $a

-	 */

-	function initial() {

-		$a[0] = 0.05;

-		$a[1] = 0.1;

-		$a[2] = 1.0;

-

-		return $a;

-	}	//	function initial()

-

-

-	/**

-	 * @return Object[] $a

-	 */

-	function testdata() {

-		$npts = 25;

-

-		$a[0] = 0.;

-		$a[1] = 0.;

-		$a[2] = 0.9;

-

-		$i = 0;

-

-		for ($r = -2; $r <= 2; ++$r) {

-			for ($c = -2; $c <= 2; ++$c) {

-				$x[$i][0] = $c;

-				$x[$i][1] = $r;

-				$y[$i] = $this->val($x[$i], $a);

-				print("Quad ".$c.",".$r." -> ".$y[$i]."<br />");

-				$s[$i] = 1.;

-				++$i;

-			}

-		}

-		print("quad x= ");

-

-		$qx = new Matrix($x);

-		$qx->print(10, 2);

-

-		print("quad y= ");

-		$qy = new Matrix($y, $npts);

-		$qy->print(10, 2);

-

-		$o[0] = $x;

-		$o[1] = $a;

-		$o[2] = $y;

-		$o[3] = $s;

-

-		return $o;

-	}	//	function testdata()

-

-}	//	class LMQuadTest