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-rw-r--r--1499/CH3/EX3.6/q6.sce15
1 files changed, 15 insertions, 0 deletions
diff --git a/1499/CH3/EX3.6/q6.sce b/1499/CH3/EX3.6/q6.sce
new file mode 100644
index 000000000..780f4e8f0
--- /dev/null
+++ b/1499/CH3/EX3.6/q6.sce
@@ -0,0 +1,15 @@
+s=%s;
+p=s^3+5*s^2+6*s+30
+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