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I made the following HTML nd javascript to predict $f(n) = 2n$. Basically, I am trying to design my first neural network which predicts 2 multiplied by a number. I know we don't need a neural network for this, but just for a beginner, can you tell how I can make it work properly? For example, when I input 2 it gives $89.7614166111441$. What's wrong with my implementation?

Here's my HTML file.

<!DOCTYPE html>
<html>

<head>

</head>

<body>
    <script src="l1.js" charset="utf-8"></script>
    <script type="text/javascript">
        //aa();alert(wheights[1]);
        //amulth(lh);

        /*alert(famulth([1,2],2,[0,0]));
        alert(amulth([2,1],[1,2],[1,1]));
        alert(amulth([2],[0],[1]));*/

        //alert(eamulth([2,2],[2,2],[1,1]));

        var n = 0;
        var nn = 0;
        var nnn = 0;
        var nnnn = 0;

        while (nnn < 100000000 /*0*/ ) {
            nnnn = Math.round(100 * Math.random());
            n = eamulth(lh1, amulth(lhlh, famulth(lh, nnnn + 0 /**parseFloat(prompt("Enter a number"))*/ , lh1lh), lhl), lh1l);
            //alert(n);
            /*n=1;*/
            nn = /*parseFloat(prompt(""+n))*/ 2 * nnnn - n;
            lh = t(lh, nn, 0.1);
            lh1 = t(lh1, nn, 0.01);
            /*lh1l=t(lh1l,nn,0.01);
            lhl=t(lhl,nn,0.01);*/
            nnn++;
            //alert(lh);
            lhlh = t(lhlh, nn, 0.01);
            lh1lh = t(lh1lh, nn, 0.01);

        }
        alert(eamulth(lh1, famulth(lh, parseFloat(prompt("Enter a number")), lhl), lh1l));
        alert(eamulth(lh1, amulth(lhlh, famulth(lh, nnnn + 0 /**parseFloat(prompt("Enter a number"))*/ , lh1lh), lhl), lh1l));
    </script>

</body>

</html>

Here's the Javascript file.

//l1.js
//function aa(){alert('aa');}
var lh = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var lh1 = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var lhl = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var lh1l = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
lh = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
lh1 = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
lhl = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
lh1l = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1];


var lhlh = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
var lh1lh = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1];

function amulth(hh, hhh, aa) {
    /*alert(hh[0]);*/

    var ta = [];
    var s = 0;

    for (var i = 0; i < hh.length; i++) {
        for (var j = 0; j < hhh.length; j++) {


            s += hhh[j] * hh[i];
        }
        s += 0 + 0 + aa[i];
        ta.push(s);
        s = 0;
    }
    return ta;

}

function famulth(hh1, hhh1, aa1) {
    /*alert(hh[0]);*/

    var ta1 = [];

    for (var i1 = 0; i1 < hh1.length; i1++) {
        ta1.push(hh1[i1] * hhh1 + aa1[i1]);
    }
    return ta1;

}



function eamulth(hh2, hhh2, aa) {
    /*alert(hh[0]);*/

    var ta2 = 0;
    for (var i2 = 0; i2 < hh2.length; i2++) {

        ta2 += hhh2[i2] * hh2[i2] + aa[i2];

    }
    return ta2;
}

function t(hh3, d1, lhhhh) {
    for (var il = 0; il < hh3.length; il++) {
        hh3[il] = hh3[il] + d1 * lhhhh * 0.0001;
    }
    return hh3;
}
Improve this question
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    $\begingroup$ Hi and welcome to this community! What is your question? You forgot to ask a question. I would like to note that if you want us to debug your source code, your question is probably off-topic here and should probably be asked on Data Science SE or Stack Overflow. $\endgroup$ – nbro♦ Dec 13 '19 at 16:00
  • $\begingroup$ After the upload all writing got messed up .I am trying to fix it. $\endgroup$ – compenthusiast Dec 13 '19 at 16:01
  • $\begingroup$ wait some time. $\endgroup$ – compenthusiast Dec 13 '19 at 16:01
  • $\begingroup$ well everything above the ________ line is my html file which uses the javascript code provided in the file below ________ line .Sorry for strange function and variable names . $\endgroup$ – compenthusiast Dec 13 '19 at 16:05
  • 1
    $\begingroup$ Here we focus on theoretical and philosophical aspects of artificial intelligence, that's why I was suggesting you to ask your question on Data Science SE or Stack Overflow. $\endgroup$ – nbro♦ Dec 13 '19 at 16:07

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