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paiza.ioでelixir その119

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概要

paiza.ioでelixirやってみた。
練習問題やってみた。

練習問題

活性化関数sigmoidをグラフ化せよ。

サンプルコード



IO.puts """
<!doctype html>
<html>
<head>
<style type="text/css">
* {
  margin: 0;
  padding: 0;
  border: 0;
}
body {
  background: #fdd;
  font: 30px sans-serif;
}
</style>
</head>
<body>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<div id='chart'></div>
<textarea id="koko0"> 
"""
for i <- 0..100 do 
    v = (1 / (1 + :math.exp(-1 * ((i - 50) / 5))))
    IO.puts(v)
    IO.puts ","
end
IO.puts """
</textarea>
<script type="text/javascript">
google.load("visualization", "1", {
    packages: ["corechart"]
});
var x0 = document.getElementById('koko0').value;
var x = x0.split(",");
var res = [['x', 'sigmoid'],];
for (var i = 0; i < 100; i++)
{
    res.push([i, x[i] / 1]);
}
google.setOnLoadCallback(function() {
    var data = google.visualization.arrayToDataTable(res);    
    var options = {
        title: '活性化関数',
        hAxis: {
            title: 'x'
        },
        vAxis: {
            title: 'y'
        }
    };    
    var chart = new google.visualization.LineChart(document.getElementById('chart'));
    chart.draw(data, options);
});
</script>
</body>
</html>
"""


実行結果

image.png

成果物

以上。

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