Нужно создать массив по формуле и вставить в график Google Chart.
<?php
for($r=1; $r<=4; $r++){
for($i=1; $i<10; $i++){
$x_n_1=$i+1;
$x_n=$i;
$x_n_2=$r*$x_n*(1-$x_n);
print_r( $x_n_2."<br>");
}}
?>
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Нужно вставить $r и </span></span>$x_n_2 в Google Chart
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<span class="redactor-invisible-space">В ручную это выглядит примерно так:
</span></span></span><html><head>
<script type="text/javascript"
src="https://www.google.com/jsapi?autoload={
'modules':[{
'name':'visualization',
'version':'1',
'packages':['corechart']
}]
}"></script>
<script type="text/javascript">
google.setOnLoadCallback(<em>drawChart</em>);
function <em>drawChart</em>() {
var data = google.visualization.arrayToDataTable([
['I', 'X', ],
['1', 0],
['', -2],
['', -6],
['', -12],
['', -20],
['', -30],
['', -42],
['', -56],
['', -72],
['2',0],
['',-6],
['', -18],
['',-36],
['',-60],
['',-90],
['',-126],
['',-168],
['', -216],
['3', 0],
['',-6],
['', -18],
['', -36],
['', -60],
['', -90],
['', -126],
['', -168],
['', -216],
['4', 0],
['',-8],
['',-24],
['',-48],
['',-80],
['',-120],
['',-168],
['',-224],
['', -288],
]);
var options = {
title: 'Залежність х від u',
curveType: 'function',
legend: { position: 'bottom' }
};
var chart = new google.visualization.LineChart(document.getElementById('curve_chart'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="curve_chart" style="width: 900px; height: 500px"></div>
</body>
</html>
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Т.е нужен график c осью Х=$r и Y=$i. $r бутет стабильно 1-4. </span></span></span></span>$i нужно будет менять... может быть и 1-100 и 1-1000.
Оплата только Приват Банк.
