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<title>.:: Mata Kuliah Metode Numerik ::.</title>
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<center><b>METODE BISECTION</b><br>Created by Ferdian Rahabista</center><hr size="2" color="#0000CC">Bentuk Fungsinya = <b>f(x) =3*x^3*4*x-7</b><br><br>
<form name="form1" method="post" action="proses.php">
<table width="241" border="0" align="left" cellpadding="3" cellspacing="1" bgcolor="#CC0000">
<tr bgcolor="#FF8C8C">
<td> </td>
<td> </td>
</tr>
<tr bgcolor="#FFC6C6">
<td width="129">Nilai A </td>
<td width="112"><input name="a" type="text" id="a" size="5"></td>
</tr>
<tr bgcolor="#FFC6C6">
<td>Nilai B </td>
<td><input name="b" type="text" id="b" size="5"></td>
</tr>
<tr bgcolor="#FFC6C6">
<td>Nilai Toleransi</td>
<td><input name="tol" type="text" id="tol" size="5"></td>
</tr>
<tr bgcolor="#FF8C8C">
<td> </td>
<td><input type="submit" name="Submit" value="Submit"></td>
</tr>
</table>
</form>
</body>
</html>
<style type="text/css">
<!--
body,td,th {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 11px;
}
-->
</style><title>.:: Mata Kuliah Metode Numerik ::.</title><center><b>METODE BISECTION</b><br>Created by Ferdian Rahabista</center><hr size="2" color="#0000CC">Bentuk Fungsinya = <b>f(x) =3*x^3*4*x-7</b><br>
Nilai Toleransi = <b><?=$_POST[tol]?></b><br><br>
<table width="626" border="0" cellpadding="3" cellspacing="1" bgcolor="#CC0000">
<tr align="center" bgcolor="#FF8C8C">
<td width="32"><strong>iter</strong></td><td width="112" bgcolor="#FF8C8C"><strong>a</strong></td><td width="100"><strong>b</strong></td><td width="125"><strong>f(a)</strong></td><td width="137"><strong>f(b)</strong></td>
<td width="149"><strong>c</strong></td> <td width="133"><strong>f(c)</strong></td></tr>
<?
$a=$_POST['a'];
$b=$_POST['b'];
$tol=$_POST['tol'];
$h=0.01;
$iter=0;
$y=$tol;
while(abs($y)>=$tol){
$c=($a+$b)/2;
$fungsi_a=3*($a*$a*$a)+4*$a-7; $fungsi_b=3*($b*$b*$b)+4*$b-7;
$fungsi_c=3*($c*$c*$c)+4*$c-7; $y=$fungsi_c;
echo "<tr align='left' bgcolor='#FFC6C6'>
<td align='center'>$iter</td> <td>$a</td> <td>$b</td> <td>$fungsi_a</td> <td>$fungsi_b</td> <td>$c</td><td>$fungsi_c</td></tr>";
$iter=$iter+1;
if($fungsi_a*$fungsi_c>=0) {
$a=$c;
} else {
$b=$c;
}
}
?>
</table><br><hr size="2" color="#0000CC">
Nilai Akar = <b><?=$fungsi_c?></b><br>
Pada X = <b><?=$c?></b><br>Jumlah Iterasi = <b><?=$iter?></b><br><center>[ <a href="input.php">COBA KEMBALI</a> ]</center>
Ferdian Rahabista