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

---
 50/CH4/EX4.21/ex_4_21.sce | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 50/CH4/EX4.21/ex_4_21.sce

(limited to '50/CH4/EX4.21')

diff --git a/50/CH4/EX4.21/ex_4_21.sce b/50/CH4/EX4.21/ex_4_21.sce
new file mode 100755
index 000000000..288cd93e5
--- /dev/null
+++ b/50/CH4/EX4.21/ex_4_21.sce
@@ -0,0 +1,17 @@
+// example: 4.21;
+// piecewise linear interpolating polinomials:
+
+x1=1;x2=2; x3=4;x4=8;
+f1=3; f2=7; f3=21; f4=73;
+//  we need to apply legranges interpolation in sub-ranges [1,2];[2,4],[4,8];
+
+ x=poly(0,"x");
+
+P1=legrangeinterpol (x1,x2,f1,f2);         // in the range [1,2]
+P1
+
+P1=legrangeinterpol (x2,x3,f2,f3);         // in the range [2,4]
+P1
+
+P1=legrangeinterpol (x3,x4,f3,f4);         // in the range [4,8]
+P1
\ No newline at end of file
-- 
cgit