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<?phpinclude("plotChart.php");
 $data = [
 u => [
 [-100, -45000],
 [0, 60000],
 [200, 360000],
 [400, -260000],
 [480, 80000]
 ]
 ];
 $setting = [
 "strtitle" => "Title is updated",
 strstitle => "Subtitle",
 ngy => 7,
 ngx => 10
 ];
 echo "<h1>Usage 3</h1>";
 $plotchart = new PlotChart($setting);
 $plotchart->fitGraph($data);
 $plotchart->drawGrid();
 $plotchart->plotGraph($data);
 $plotchart->viewImage();
 ?>
 
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