tuples and cartesian coordinates

[Skip Montanaro]

    Gerrit> the FAQ says:

    >> For example, a Cartesian coordinate is appropriately represented as a
    >> tuple of two or three numbers.

    Gerrit> I find it strange to use tuples for a coordinate....

    Gerrit> Shouldn't coordinates be mutable?

See the recent (long) thread on this subject:

    http://groups.google.com/groups?dq=&hl=en&lr=&ie=UTF-8&oe=UTF-8&threadm=7x7k1b4yqn.fsf%40ruckus.brouhaha.com&rnum=1&prev=/groups%3Fq%3Dg:thl2494494598d%26dq%3D%26hl%3Den%26lr%3D%26ie%3DUTF-8%26oe%3DUTF-8%26selm%3D7x7k1b4yqn.fsf%2540ruckus.brouhaha.com

or

    http://tinyurl.com/zoyt

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