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From: =?UTF-8?q?Anton=20Luka=20=C5=A0ijanec?= <anton@sijanec.eu>
Date: Mon, 27 May 2024 13:12:17 +0200
Subject: =?UTF-8?q?2024-02-19:=20popravljen=20(prej=C5=A1nji=20commit=20je?=
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---
 .../PHPExcel/Shared/JAMA/examples/LMQuadTest.php   | 116 ---------------------
 1 file changed, 116 deletions(-)
 delete mode 100644 admin/survey/excel/PHPExcel/Shared/JAMA/examples/LMQuadTest.php

(limited to 'admin/survey/excel/PHPExcel/Shared/JAMA/examples/LMQuadTest.php')

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
-- 
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