1 files changed, 17 insertions, 0 deletions
diff --git a/Working_Examples/3885/CH5/EX5.13/Ex5_13.sci b/Working_Examples/3885/CH5/EX5.13/Ex5_13.sci
new file mode 100755
index 0000000..3428231
--- /dev/null
+++ b/Working_Examples/3885/CH5/EX5.13/Ex5_13.sci
@@ -0,0 +1,17 @@
+//control systems by Nagoor Kani A
+//Edition 3
+//Year of publication 2015
+//Scilab version 6.0.0
+//operating systems windows 10
+// Example 5.13
+
+clc;
+clear;
+s=poly(0,'s')//defines s as  poly nomial variable
+h=syslin('c',(230/(s*(s+2)*(s+10))))//the value of K lies between 0 to 240 .the given transfer function assigned to variable h
+nyquist(h)
+show_margins(h,'nyquist')
+//calculation of K
+//when -0.00417K=-1the contour passes through -1+j0 and the corrospondig value of K is the limiting value of k for stabilty 
+K=1/0.00417
+disp(K,'the value of K is')