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Math Forum » Discussions » Software » comp.soft-sys.math.mathematica

Topic: Euclidean distance of all pairwise combinations (redundants)
Replies: 7   Last Post: Feb 1, 2013 1:16 AM

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Bob Hanlon

Posts: 697
Registered: 10/29/11
Re: Euclidean distance of all pairwise combinations (redundants)
Posted: Feb 1, 2013 1:16 AM
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It isn't clear what form you want the output to take

list1 = Array[a, {3, 3}];

list2 = Array[b, {2, 3}];

list3 = Outer[Norm[#1 - #2] &, list1, list2, 1]

or

list3 // Flatten


Bob Hanlon


On Thu, Jan 31, 2013 at 8:47 PM, <vasiliadesmixalis@gmail.com> wrote:
> Hi,
>
> I am wondering on how to get the euclidean distance between all the point from two different list .
>
> For example : list1=[{1,1,1},{1,3,1},{3,2,4}] , list2=[{1,2,1},{1,2,3}] etc.
>
> how to find the euclidean comparing all the pairs ?? {1,1,1} with {1,2,1} and then {1,1,1} with {1,2,3} etc...
>

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