From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 845/CH2/EX2.12/Ex2_12.sce | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100755 845/CH2/EX2.12/Ex2_12.sce

(limited to '845/CH2/EX2.12')

diff --git a/845/CH2/EX2.12/Ex2_12.sce b/845/CH2/EX2.12/Ex2_12.sce
new file mode 100755
index 000000000..7ff416a86
--- /dev/null
+++ b/845/CH2/EX2.12/Ex2_12.sce
@@ -0,0 +1,19 @@
+//Example 2.12
+clc
+clear
+
+function [f] = fun12(x)
+    f  = x.^3 - x - 1;
+endfunction
+
+x = [0 1 2];
+h = [x(2)-x(1) x(3)-x(2)];
+lamdai = h(2)/h(1);
+deli = 1 + lamdai;
+f = fun12(x);
+
+g = f(1)*lamdai^2 - f(2)*deli^2 + f(3)*(lamdai + deli);
+lamda = -2*f(3)*deli / (g + sqrt(g^2 - 4*f(3)*deli*(f(1)*lamdai - f(2)*deli + f(3))));
+xnew = x(3) + lamda*h(2);
+xnew = round(xnew*10^5) / 10^5;
+disp(xnew,"root = ")
-- 
cgit