I have two points with coordinates in 3d space, and now I want to plot other vector with the same origin and with 30% of the length of the first one. For that I create a new ending point representing 30% of the coordinates of the 2nd point. This code work well if I have coordinates without decimal places, but in my data every coordinates have decimal places. Could you help me? Thanks. The code that I have is:
p1=[70.025, 0.574, 0.370]; p2=[140.590, -0.431, -0.226]; x1=[p1(1) p2(1)]; y1=[p1(2) p2(2)]; z1=[p1(3) p2(3)]; p3=[(p1(1)+p2(1)*0.3), (p1(2)+p2(2)*0.3), (p1(3)+p2(3)*0.3)]; x2=[p1(1) p3(1)]; y2=[p1(2) p3(2)]; z2=[p1(3) p3(3)]; hold on plot3(x1, y1, z1) plot3(x2, y2, z2, 'r') hold off
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