A for loop that allows me to increase by 2 terms of a vector

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Marco Camozzi
Marco Camozzi 2020-7-3
回答： Vashist Hegde 2020-7-3
Hello everyone!
someone could help me to find a loop for that allows me, for a vector of n terms, to perform the following action "coord1 = XY(Edge(i,1),:);" on the first term and the same action on the term n+2?
at the moment I can only increase by one term with the following code.
Thank you!
XY = [0 0;
5 0;
5 -5];
Edge = [1 2;
2 3];
EdgeL = [ 5;
5];
for i = 1 : size(XY,1)
coord1 = XY(Edge(i,1),:);
coord3 = XY(Edge(i,2),:);
end

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采纳的回答

Vashist Hegde
Vashist Hegde 2020-7-3
you can use the for loop this way -
for i = 1 :2: size(XY,1)
coord1 = XY(Edge(i,1),:);
coord3 = XY(Edge(i,2),:);
end
This will run the loop on alternate terms.

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