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path: root/1151/CH7/EX7.4/example_4.sce
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s=poly(0,'s')
h=syslin('c',1/(2*s^3+3*s^2+s));
clf();    nyquist(h)
// add a datatip
ax=gca();
h_h=ax.children($).children(2);//handle on Nyquist curve of h
tip=datatipCreate(h_h,[1.331,0.684]);
datatipSetOrientation(tip,"upper left");