aki-lua87/yakobi.php

## yakobi.php
<!DOCTYPE html>
<html>
<head>
<title>ヤコビ法</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>

<body>
<h3>ヤコビ法</h3>
<?php
if(!$_POST['calc']){
echo '<form action="yakobi.php" method="post">';
echo 'a11<input type="text" name="a11" size="4">a12<input type="text" name="a12" size="4">a13<input type="text" name="a13" size="4">b1<input type="text" name="b1" size="4"><br/>';
echo 'a21<input type="text" name="a21" size="4">a22<input type="text" name="a22" size="4">a23<input type="text" name="a23" size="4">b2<input type="text" name="b2" size="4"><br/>';
echo 'a31<input type="text" name="a31" size="4">a32<input type="text" name="a32" size="4">a33<input type="text" name="a33" size="4">b3<input type="text" name="b3" size="4"><br/><br/>';
echo "<br/>";
echo '反復回数<input type="text" name="k" size="4"/><br/>';
echo '初期値<input type="text" name="s" size="4"/><br/>';
echo '<br/><input type="submit" name="calc" value="送信">';
echo '</form>';

}
else
{
/*a*/
$a11 =$_POST['a11'];
$a12 =$_POST['a12'];
$a13 =$_POST['a13'];
$a21 =$_POST['a21'];
$a22 =$_POST['a22'];
$a23 =$_POST['a23'];
$a31 =$_POST['a31'];
$a32 =$_POST['a32'];
$a33 =$_POST['a33'];
/*b*/
$b1 =$_POST['b1'];
$b2 =$_POST['b2'];
$b3 =$_POST['b3'];
/*反復回数ｋ　初期値ｓ*/
$k = $_POST['k'];
$s = $_POST['s'];

$x1[0] = $x2[0] = $x3[0] = number_format($s,7); /* 初期値*/

/*偏差ナシ*/
$e1[0] = "-";
$e2[0] = "-";
$e3[0] = "-";

for($i = 1; $i <= $k; $i = $i + 1)
{
/*ヤコビ法計算*/
$x1[$i] = ($b1 - $a12*$x2[$i-1] - $a13*$x3[$i-1])/$a11;
$x2[$i] = ($b2 - $a21*$x1[$i-1] - $a23*$x3[$i-1])/$a22;
$x3[$i] = ($b3 - $a31*$x1[$i-1] - $a32*$x2[$i-1])/$a33;
/*四捨五入*/
$x1[$i] = round($x1[$i],7);
$x2[$i] = round($x2[$i],7);
$x3[$i] = round($x3[$i],7);
/*桁揃え*/
$x1[$i] = number_format($x1[$i],7);
$x2[$i] = number_format($x2[$i],7);
$x3[$i] = number_format($x3[$i],7);
/*偏差量計算*/
$e1[$i] = $x1[$i] - $x1[$i-1];
$e2[$i] = $x2[$i] - $x2[$i-1];
$e3[$i] = $x3[$i] - $x3[$i-1];
/*絶対値*/
$e1[$i] = abs($e1[$i]);
$e2[$i] = abs($e2[$i]);
$e3[$i] = abs($e3[$i]);
/*四捨五入*/
$e1[$i] = round($e1[$i],7);
$e2[$i] = round($e2[$i],7);
$e3[$i] = round($e3[$i],7);
/*桁揃え*/
$e1[$i] = number_format($e1[$i],7);
$e2[$i] = number_format($e2[$i],7);
$e3[$i] = number_format($e3[$i],7);
}
/* 結果の出力 */
echo "<table border = 1>";
echo "<tr><th>反復回数ｋ</th><th>x1</th><th>ε1</th><th>x2</th><th>ε2</th><th>x3</th><th>ε3</th></tr>";
for($i = 0;$i <= $k; $i = $i +1)
    {
    echo "<tr><th> ".$i."</th><th> ".$x1[$i]."</th><th> ".$e1[$i]."</th><th> ".$x2[$i]."</th><th> ".$e2[$i]."</th><th> ".$x3[$i]."</th><th> ".$e3[$i]."</th></tr>";
    }
echo "</table>";
}

?>


</body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>ヤコビ法</title>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
	</head>

	<body>
	<h3>ヤコビ法</h3>
	<?php
	if(!$_POST['calc']){
	echo '<form action="yakobi.php" method="post">';
	echo 'a11<input type="text" name="a11" size="4">a12<input type="text" name="a12" size="4">a13<input type="text" name="a13" size="4">b1<input type="text" name="b1" size="4"><br/>';
	echo 'a21<input type="text" name="a21" size="4">a22<input type="text" name="a22" size="4">a23<input type="text" name="a23" size="4">b2<input type="text" name="b2" size="4"><br/>';
	echo 'a31<input type="text" name="a31" size="4">a32<input type="text" name="a32" size="4">a33<input type="text" name="a33" size="4">b3<input type="text" name="b3" size="4"><br/><br/>';
	echo "<br/>";
	echo '反復回数<input type="text" name="k" size="4"/><br/>';
	echo '初期値<input type="text" name="s" size="4"/><br/>';
	echo '<br/><input type="submit" name="calc" value="送信">';
	echo '</form>';

	}
	else
	{
	/a/
	$a11 =$_POST['a11'];
	$a12 =$_POST['a12'];
	$a13 =$_POST['a13'];
	$a21 =$_POST['a21'];
	$a22 =$_POST['a22'];
	$a23 =$_POST['a23'];
	$a31 =$_POST['a31'];
	$a32 =$_POST['a32'];
	$a33 =$_POST['a33'];
	/b/
	$b1 =$_POST['b1'];
	$b2 =$_POST['b2'];
	$b3 =$_POST['b3'];
	/反復回数ｋ　初期値ｓ/
	$k = $_POST['k'];
	$s = $_POST['s'];

	$x1[0] = $x2[0] = $x3[0] = number_format($s,7); /* 初期値*/

	/偏差ナシ/
	$e1[0] = "-";
	$e2[0] = "-";
	$e3[0] = "-";

	for($i = 1; $i <= $k; $i = $i + 1)
	{
	/ヤコビ法計算/
	$x1[$i] = ($b1 - $a12$x2[$i-1] - $a13$x3[$i-1])/$a11;
	$x2[$i] = ($b2 - $a21$x1[$i-1] - $a23$x3[$i-1])/$a22;
	$x3[$i] = ($b3 - $a31$x1[$i-1] - $a32$x2[$i-1])/$a33;
	/四捨五入/
	$x1[$i] = round($x1[$i],7);
	$x2[$i] = round($x2[$i],7);
	$x3[$i] = round($x3[$i],7);
	/桁揃え/
	$x1[$i] = number_format($x1[$i],7);
	$x2[$i] = number_format($x2[$i],7);
	$x3[$i] = number_format($x3[$i],7);
	/偏差量計算/
	$e1[$i] = $x1[$i] - $x1[$i-1];
	$e2[$i] = $x2[$i] - $x2[$i-1];
	$e3[$i] = $x3[$i] - $x3[$i-1];
	/絶対値/
	$e1[$i] = abs($e1[$i]);
	$e2[$i] = abs($e2[$i]);
	$e3[$i] = abs($e3[$i]);
	/四捨五入/
	$e1[$i] = round($e1[$i],7);
	$e2[$i] = round($e2[$i],7);
	$e3[$i] = round($e3[$i],7);
	/桁揃え/
	$e1[$i] = number_format($e1[$i],7);
	$e2[$i] = number_format($e2[$i],7);
	$e3[$i] = number_format($e3[$i],7);
	}
	/* 結果の出力 */
	echo "<table border = 1>";
	echo "<tr><th>反復回数ｋ</th><th>x1</th><th>ε1</th><th>x2</th><th>ε2</th><th>x3</th><th>ε3</th></tr>";
	for($i = 0;$i <= $k; $i = $i +1)
	{
	echo "<tr><th> ".$i."</th><th> ".$x1[$i]."</th><th> ".$e1[$i]."</th><th> ".$x2[$i]."</th><th> ".$e2[$i]."</th><th> ".$x3[$i]."</th><th> ".$e3[$i]."</th></tr>";
	}
	echo "</table>";
	}

	?>


	</body>
	</html>