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/DEPENDENCIES/back.sce | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100755 50/DEPENDENCIES/back.sce

(limited to '50/DEPENDENCIES/back.sce')

diff --git a/50/DEPENDENCIES/back.sce b/50/DEPENDENCIES/back.sce
new file mode 100755
index 000000000..d92199af3
--- /dev/null
+++ b/50/DEPENDENCIES/back.sce
@@ -0,0 +1,16 @@
+function [x] = back(U,Z)
+
+x=zeros(1,n);
+for i = n:-1:1
+	sumk=0
+	for j=i+1:n
+		sumk=sumk+U(i,j)*x(j); 
+	end; 
+	x(i)=(Z(i)-sumk)/U(i,i); 
+end;
+
+
+
+
+endfunction
+
-- 
cgit