Version 1.9g

artichow/examples/math-002.php

@@ -0,0 +1,36 @@
+<?php
+/*
+ * This work is hereby released into the Public Domain.
+ * To view a copy of the public domain dedication,
+ * visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
+ * Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
+ *
+ */
+
+require_once "../MathPlot.class.php";
+
+
+$graph = new Graph(300, 300);
+
+// Set graph title
+$graph->title->set('f(x) = x * x');
+$graph->title->setBackgroundColor(new White(0));
+$graph->title->setPadding(NULL, NULL, 10, 10);
+$graph->title->move(0, -10);
+
+$plot = new MathPlot(-3, 3, 10, -2);
+$plot->setInterval(0.2);
+$plot->setPadding(NULL, NULL, NULL, 20);
+
+// Defines x²
+function x2($x) {
+	return $x * $x;
+}
+
+$function = new MathFunction('x2');
+$function->setColor(new Orange);
+$plot->add($function);
+
+$graph->add($plot);
+$graph->draw();
+?>