Descending

06.13 erwanto 0 comments
<html>
<head>
<script LANGUAGE = "Javascript">

function Urutkan (form)
{
DataKosong= false;
DataInputan = form.Data.value;
inputData = DataInputan.split (",");
for (var i = 0; i<inputData.length; i++)
{
inputData [i] = parseInt (inputData[i], 10);
if (isNaN (inputData [i]) )
{
DataKosong = true;
break;
}
}

inputData = bubbleSort (inputData, 0, inputData.length-1);
if (DataKosong)
{
alert ("Silakan Entri Dulu Data, Pisahkan dengan tanda Koma");
form.Data.focus();
}
else
form.Hasil.value = DataString (inputData,0);
}


function DataString (ArrayData, Angka)
{
if ( (ArrayData.length - 1) >= Angka)
return (ArrayData[Angka] + "," + DataString (ArrayData, (Angka + 1) ) );
else
return "";
}

function bubbleSort (ArrayData, Mulai, MulaiBaru)
{
for (var i=MulaiBaru-1; i>=Mulai; i--)
{
for (var j=Mulai; j<=i; j++)
{
if (ArrayData[j+1] > ArrayData [j] )
{
var DataTemporer = ArrayData [j];
ArrayData [j] = ArrayData [j+1];
ArrayData[j+1] = DataTemporer;
}
}
}

return ArrayData;
}
</script>
</head>

<body>
<center>
<form>
Masukan Deretan Angka, Pisahkan denga Koma :
<hr>
<input type = text name=Data size=30 Value="">
<br>
<input type=button value="Urutkan" onClick="Urutkan (this.form)">
<br>
<br>
Hasil Pengurutan :
<hr>
<input type=text name=Hasil size=30>
</form>
</center>
</body>
</html>
Hasil Program

Ascending

06.04 erwanto 0 comments
<html>
<head>
<title>JavaScript Random Number Generator.</title>
</head>
<body>

<script type="text/javascript">

var ranarray = new Array(100);

// Generate random numbers to fill ranarray.
function genNumbers(listbox) {
var i;

for(i = 0; i < ranarray.length; i++) {
ranarray[i] = Math.random()*100;
// Round to nearest integer.
ranarray[i] = Math.round(ranarray[i]);
}

// Update the select box list.
updateList(listbox);
}


function sortNumbers(listbox) {
var x, y, holder;
// The Bubble Sort method.
for(x = 0; x < ranarray.length; x++) {
for(y = 0; y < (ranarray.length-1); y++) {
if(ranarray[y] > ranarray[y+1]) {
holder = ranarray[y+1];
ranarray[y+1] = ranarray[y];
ranarray[y] = holder;
}
}
}

// Update the select box list.
updateList(listbox);
}

// Assign values in array to values in the select box.
function updateList(listbox) {
var i;
for(i = 0; i < ranarray.length; i++) {
if(listbox.options[i] == null) {
listbox.options[i] = new Option(ranarray[i]);
} else {
listbox.options[i].text = ranarray[i];
}
}

}

</script>

<form>
<select name="ranlist" size="20" style="width:200px">
</select><br><br>
<input type="button" value="Generate Numbers"
onclick="genNumbers(this.form.ranlist);">
<input type="button" value="Bubble Sort Numbers"
onclick="sortNumbers(this.form.ranlist);">
</form>


</body>
</html>
Hasil Program

Algoritma Dijkstra

10.40 erwanto 0 comments
<html>
<head>
<title>Dijkstra Algorithms</title>
</head>
<body>
<script language = "javascript">
<!--
var nilaiacuan = 10000;
var takterdefinisi = -1;
var namaverteks = new Array("A","B","C","D","E","F");
var matriks = new Array(6);

function bobot(a,b)
{
return matriks[a][b];
}

function dijkstra(jumlahverteks,awal,d)
{
var posisi = new Array(jumlahverteks);
var i;
var kunjungan = new Array(jumlahverteks);
var sebelum = new Array(jumlahverteks);
for(i=0;i<jumlahverteks;i++)
{
posisi[i] = nilaiacuan;
sebelum[i] = takterdefinisi;
kunjungan[i] = false;
}
posisi[awal]=0;
var verteks;
for(verteks=0;verteks<jumlahverteks;verteks++)
{
var jarakterpendek = nilaiacuan,
berhenti = -1;
for(i=0;i<jumlahverteks;i++)
{
if(!kunjungan[i])
{
if(posisi[i] <= jarakterpendek)
{
jarakterpendek = posisi[i];
berhenti = i;
}
}
}
kunjungan[berhenti] = true;
for(i=0;i<jumlahverteks;i++)
{
if(!kunjungan[i])
{
var w = bobot(berhenti,i);
if(posisi[berhenti]+w < posisi[i])
{
posisi[i] = posisi[berhenti] + w;
sebelum[i] = berhenti;
}
}
}
}
i=d;
if(posisi[i] < nilaiacuan)
{
var lintasan = namaverteks[i];
var verteks = i;
while(verteks>0)
{
verteks = sebelum[verteks];
if(verteks>=0)
lintasan = namaverteks[verteks] + '->' + lintasan;
}
alert("Jarak : "+posisi[i]+' ('+lintasan+')'+'<br>');
}
else
{
alert("Tidak ada jalur");
}
}

function init()
{
var x = nilaiacuan;
document.write('<pre>');
document.write('<br>');
document.write(matriks[0] = new Array(0,2,3,x,x,x));
document.write('<br>');
document.write(matriks[1] = new Array(2,0,3,6,x,x));
document.write('<br>');
document.write(matriks[2] = new Array(3,3,0,3,5,x));
document.write('<br>');
document.write(matriks[3] = new Array(x,6,3,0,1,3));
document.write('<br>');
document.write(matriks[4] = new Array(x,x,5,1,0,1));
document.write('<br>');
document.write(matriks[5] = new Array(x,x,x,3,1,0));
document.write('<br>');
document.write('</pre>');

var awal='<pre>';
document.write(awal+'A--2-B--6--D--3-F'+'<br>');
document.write(' \\ | / | / '+'<br>');
document.write(' 3 3 3 1 1 '+'<br>');
document.write(' \\ | / | / '+'<br>');
document.write(' \\|/ |/'+'<br>');
document.write(' C--5--E'+'<br>');
document.write('</pre>');
}

init();
var dari=0;
var ke=5;
dijkstra(matriks.length,dari,ke);

//-->
</script>
</body>
</html>
Hasil Program
Langganan: Postingan (Atom)