1 files changed, 27 insertions, 0 deletions
diff --git a/257/CH8/EX8.29/example_8_29.sce b/257/CH8/EX8.29/example_8_29.sce
new file mode 100644
index 000000000..6d5e0b848
--- /dev/null
+++ b/257/CH8/EX8.29/example_8_29.sce
@@ -0,0 +1,27 @@
+syms s K
+G=K*(s+2)/(s*(s+3)*(s^2+5*s+10))
+H=1
+Kv=limit(s*G*H,s,0)
+disp(Kv, " Kv = ")
+
+Ess=0.01       //given
+K=15/Ess
+disp(K,"K=")
+
+s=%s
+F=s^3+8*s^2+1525*s+3030
+
+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
+\ No newline at end of file