1 files changed, 8 insertions, 0 deletions
diff --git a/104/CH9/EX9.2/9_2.sce b/104/CH9/EX9.2/9_2.sce
new file mode 100755
index 000000000..896ce8c2f
--- /dev/null
+++ b/104/CH9/EX9.2/9_2.sce
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+//nyquist plot
+s=%s;
+sys=syslin('c',s*(s^2+2*s+2)/(s^2+5*s+1))
+nyquist(sys)
+show_margins(sys,'nyquist')
+printf("Since P=0(no of poles in RHP)=Poles of G(s)H(s) \n here the number of zeros of 1+G(s)H(s) in the RHP is N>0 \n hence the system is unstable")     
+
+