5 Programa 5.8 Ogata 4edition (response to unit-impulse input)

Laplace.T	Root-locus	Transient response	Frecuency response

5 Programa 5.8 Ogata 4edition (response to unit-impulse input)
Let us draw the response to unit-impulse input by Scilab.

$\begin{displaymath}G(s)=\frac{1}{(s^{2}+0.2 \cdot s+1)}\end{displaymath}$
Program in Scilab
num=poly([1 0 0],'s','coeff');
den=poly([1 0.2 1],'s','coeff');
t=0:0.1:70;
g=syslin('c',num/den);
gs=csim('impulse',t,g);
clf;
plot2d(t,gs);
xgrid;
xtitle('response to unit-impulse G(s)
=1/(s^2+0.2s+1)','t(seg)','Output');