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compare two vectors/compare coordinates

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Ilya on 24 Mar 2014
Commented: Ilya on 24 Mar 2014
lets assume I have one point with coordinates X1Y1=[1 1] and another point X2Y2=[1 1]. What is the shortest and possibly fastest way to compare them for equality/inequality (i.e. to compare if the two 2D points are equal)?
More general, I have two vectors a=[1 2 3 4 5 6 7] and b=[1 2 3 4 5 6 8]. How to compare the vectors of arbitrarily large length for equality in a fast an short way?
Is there any special function for this or they use something like
if sum(a-b)==0


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