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Gilles commented on MATH1284:

I think that {{Point}} here is just meant to be a base class of {{Vector}}.
It is perhaps imprecise, mathematically.
Does a "point" actually need a "distance" to exist? If "distance" is defined in this class,
then isn't it equivalent to a "vector"?
Perhaps Luc could clarify his choice of terms within the Javadoc.
What would you suggest?
> Vector isnota Point
> 
>
> Key: MATH1284
> URL: https://issues.apache.org/jira/browse/MATH1284
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 3.5
> Reporter: Roman Werpachowski
> Priority: Minor
>
> The class hierarchy for geometry claims that Vector isa Point: https://commons.apache.org/proper/commonsmath/apidocs/org/apache/commons/math3/geometry/Point.html
> This is mathematically incorrect, see e.g. http://math.stackexchange.com/a/645827
> Just because they share the same numerical representation, Point and Vector shouldn't
be crammed into a common class hierarchy.

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