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-rwxr-xr-x1151/CH7/EX7.7/example_7.sce8
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diff --git a/1151/CH7/EX7.7/example_7.sce b/1151/CH7/EX7.7/example_7.sce
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+s=poly(0,'s')
+h=syslin('c',1/(s*(1+2*s)*(1+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");