1 files changed, 24 insertions, 0 deletions
diff --git a/257/CH8/EX8.14/example_8_14.sce b/257/CH8/EX8.14/example_8_14.sce
new file mode 100644
index 000000000..fc06620a1
--- /dev/null
+++ b/257/CH8/EX8.14/example_8_14.sce
@@ -0,0 +1,24 @@
+s=%s
+F=s^6+2*s^5+8*s^4+12*s^3+20*s^2+16*s+16
+
+disp(routh_t(F)) 
+r=coeff(F)
+routh=routh_t(F)
+n=length(r)
+c=0;
+for i=1:n
+if (routh(i,1)<0)
+c=c+1;
+ end 
+  end
+  if(c>=1)
+    printf("system is unstable")
+  else printf("there are no roots on RHS")
+  end
+
+
+R=sqrt(roots(routh(3,:)))
+disp(R)
+
+disp("non repeated roots on imaginary axis. hence system is marginally stable")
+