1 files changed, 17 insertions, 0 deletions
diff --git a/1499/CH3/EX3.9/q9.sce b/1499/CH3/EX3.9/q9.sce
new file mode 100644
index 000000000..ffd040bec
--- /dev/null
+++ b/1499/CH3/EX3.9/q9.sce
@@ -0,0 +1,17 @@
+s=%s;
+r=%r;
+
+p=s^5+6*s^4+15*s^3+30*s^2+44*s+24
+r=routh_t(p)
+m=coeff(p)
+l=length(m)
+c=0;
+for i=1:l
+if (r(i,1)<0)
+c=c+1;
+end    
+end
+if(c>=1)
+printf("System is unstable")
+else("Sysem is stable")
+end