From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 257/CH5/EX5.15/example_5_15.sce | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 257/CH5/EX5.15/example_5_15.sce

(limited to '257/CH5/EX5.15/example_5_15.sce')

diff --git a/257/CH5/EX5.15/example_5_15.sce b/257/CH5/EX5.15/example_5_15.sce
new file mode 100644
index 000000000..3cf95c9c6
--- /dev/null
+++ b/257/CH5/EX5.15/example_5_15.sce
@@ -0,0 +1,28 @@
+s=%s
+
+ //to find C/E
+
+a=10/(s*(s+1))
+b=a/(1+(a*0.5*s))
+c=b*(s+4)                          //shifting the summer to the left 
+
+//(s^2+6*s)/(10*(s+4)) * C == E + 3/(s+4)*(E+C)
+Y= 10*(s+7)/(s^2+6*s-30)               //solving the above equation
+
+disp(Y,"C/E = ")
+
+// to find C/R
+
+d=c/(1+c*1)                           //using the associative law, exchange two summing points
+e=1+(3/(s+4))
+X= d*e
+
+disp(X," C/R = ")
+
+// to find C/N if r(s)=0
+
+x= (-0.5*s)-(s+4)
+k=10/(s*(s+1))
+f=k*x                 //removing the summing point
+V=1/(1-f)
+disp(V,"C/N = ")
-- 
cgit