Creating a row of points

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Lucas Carvalho
Lucas Carvalho 2015-8-24
回答： Walter Roberson 2015-8-24
Hi guys, I am trying to make an animated plot, where I want to plot a trail/row of points as it follows:
xe1 = (-lm/2)+Vest*t;
for j=1:1:length(t)
if xe1(j)>(2*lm)
xe1(j)=(-lm/2);
end
end
For instance, xe1 indices should change so that xe2 = (-lm/2)+(lm/4)+Vest*t, i.e., xe(i+1) = xe(i)+lm/4.
How can I add this condition to this already existing loop? Thank you!

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采纳的回答

Walter Roberson
Walter Roberson 2015-8-24
N = 5;
Nt = length(t);
xe = zeros(N, Nt);
xe(1,:) = (-lm/2)+Vest*t;
for K = 1 : N
idx = xe(K,:) > 2*lm;
xe(K,idx) = -lm/2;
if K ~= N
xe(K+1,:) = xe(K,:) + lm/4;
end
end
plot(xe.'); %if you want N lines

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