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-rwxr-xr-x28/CH5/EX5.8/ex5_8.sce15
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diff --git a/28/CH5/EX5.8/ex5_8.sce b/28/CH5/EX5.8/ex5_8.sce
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+s=%s;
+syms K V
+p=s^2+(100*K)*s+100=0
+cof_1=coeffs(p,'s',0)
+Wn=sqrt(cof_1)
+zeta=1 // given
+cof_2=coeffs(p,'s',1)
+// 2*zeta*Wn=cof_2
+K=(2*Wn*zeta)/100
+// For ramp input
+R=V/s^2
+E=R/p
+// steady state error
+e=limit(s*E(s),s,0)
+disp(e,"e(ss)=") \ No newline at end of file