/******************************* * File name: p9-13d_uncomp.ch ******************************/ #include int main() { // system gain double k = 9273; // open-loop poles array double complex op[3] = {complex(0, 0), complex(-20, 0), complex(-40, 0)}; array double num[1] = {1}; array double den[1] = {1}; double tf = 1; CControl sys1, sys2, *sys3; CPlot plot; sys1.model("zpk", NULL, op, k); sys2.model("tf", num, den); sys3 = sys1.feedback(&sys2); sys3->grid(1); sys3->step(&plot, NULL, NULL, NULL, tf); return 0; }