% % Filename: example5.m % % Description: M-file demonstrating matlab functions rlocus() which % plots root locus and rlocfind() which allows selection % of points on root locus so that corresponding parameter % value is returned. % clear; clf; % clear memory and figures p = [1]; % numerator of G(s) q = [1 3 2 0]; % denominator of G(s) rlocus(p,q); % plot root locus for CL system title('Example 5: Sample Root Locus Plot'); rlocfind(p,q) % allow user to select CL pole % location, so that corresponding % controller gain is returnedMATLAB Response Generated:
Select a point in the graphics window selected_point = -0.0046 + 1.4035i ans = 5.8914MATLAB Plot Generated: