Hi again - thanks for that excellent new function - it's amazingly compact
and I think it may well do what I need - I am about to try modifying it to
work in my context, and will let you know.

Am I to deduce from this that what I was originally trying to do (ie
telescoping recursive variables) is not possible in Python?


On Sat, Mar 30, 2013 at 12:43 PM, Jason Grout
<[email protected]>wrote:

> On 3/30/13 7:12 AM, Jason Grout wrote:
>
>> So to summarize your code, you're finding M=3 sets of d=3 mutually
>> orthogonal vectors so that each pair of sets satisfies some criteria
>> (your XRY function)?  Do the sets have to be mutually exclusive? Your
>> code doesn't enforce this, but your xRy function may imply it.  Also, if
>> you have an isotropic vector v (orthogonal to itself), then I suppose
>> your code allows the set [v,v,v].  Is that what you want?
>>
>
> Here's a more general function that I think (I haven't run the function)
> finds *a* list of sets that I think satisfy your criteria.  I think your
> code finds all such sets, though.  Is that what is really needed?
>
> https://gist.github.com/**jasongrout/5276508<https://gist.github.com/jasongrout/5276508>
>
>
> Thanks,
>
> Jason
>
>
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