me351_DesignEx

2 xminminrealpts d xmaxmaxrealptsd yminminimagpts d

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Unformatted text preview: ks(5,np); end % now size the plots d=0.2; xmin=min(real(Pts))-d; xmax=max(real(Pts))+d; ymin=min(imag(Pts))-d; ymax=max(imag(Pts))+d; xmin=min(xmin); ymin=min(ymin); xmax=max(xmax); ymax=max(ymax); for np=1:3 subplot(1,3,np); % comment out for separate figures %figure(np); % uncomment for three separate figures axis([xmin,xmax,ymin,ymax]); axis square; draw_mech(zlnks(1:5,np)); end function draw_mech(zlnks) % draw_mech(zlnks) % INPUT: % zlnks=[z1,z2,z3,z4,z5]=complex vectors specifying a 4 bar mechanism % and precision point z2+z5 % Loop equation assumed to be z2+z3-z4-z1=0 % OUTPUT: % Draws picture of 4 bar linkage hold on pts=linspace(0,1,100); plot(zlnks(2),’ro’);plot(pts*zlnks(2));plot(zlnks(2)+pts*zlnks(3),’r’); plot(zlnks(2)+zlnks(3),’ro’); plot(zlnks(2)+zlnks(3)-pts*zlnks(4));plot(zlnks(1),’co’); plot(zlnks(1)-pts*zlnks(1),’c’); plot(0,0,’co’); plot(zlnks(2)+pts*zlnks(5),’r’); plot(zlnks(2)+zlnks(3)+pts*(zlnks(5)-zlnks(3)),’r’); plot(zlnks(2)+zlnks(5),’ro’); % precision...
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