How do i make two dots, that are going in different direction in a vertical line, crash and then go to different directions?

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N/A 2016-4-20

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回答： Arnab Sen 2016-4-27

This is my code for dot going 1 unit in a vertical line, but how do i make o dots crash?

dt = .01; v=1 t = 0:dt:1; x = v*t

plot([0 1], [0 0], 'r'); hold on h1 = plot(x(1), 'k*'); %handle for i = 1:length(t) set(h1, 'xdata', x(i)) drawnow pause(0.01) end

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Answer 1

Arnab Sen 2016-4-27

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Hi Sebastian,

The following script might address you requirement where a horizontal and vertical moving points crossing each other.

dt = .01; v=1 ;t = 0:dt:1; x = v*t;
plot([1 0], [0 0], 'r'); 
hold on ;
h1 = plot(x(1), 'k*'); 
h2= plot(x(1), 'k*'); 
 for i = 1:length(t)
     set(h1,'xdata',x(i));
      set(h1,'ydata',0.5);
      set(h2,'xdata',0.5);
      set(h2,'ydata',x(i));
      drawnow;
      pause(0.01); 
   end