Untitled

<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>
	<script type="text/javascript">
		function f (x) {
			return x*x - 2;
		}

		function algoritm(a, b, nr_iteratii) {
			let c = (a + b) / 2;

			for (var i = 1; i <= nr_iteratii; i ++) {
				if (f(a) * f(c) < 0) {
					b = c;
				} else {
					a = c;
				}

				c = (a+b)/2;

				console.log("a = " + a + ", b = " + b + ", c = " + c + ", f(a) = " + f(a) + ", f(b) = " + f(b) + ", f(c) = " + f(c));
			}
		}

		function eroare(a, b) {
			let c = new Array();
			// c.push((a + b) / 2);
			let c1 = (a+b)/2;
			let c2 = (a+b)/2;
			while(true) {
				if (f(a) * f(c2) < 0) {
					b = c2;
				} else {
					a = c2;
				}

				c1=c2;
				c2 = (a+b)/2;

				if (Math.abs(c2-c1) < 0.001) {
					console.log(c2 + " " + c1);
					return;
				}

			}
		}

		algoritm(1, 2, 10);
		eroare(1, 2);
	</script>
</body>
</html>