[Numpy-discussion] Log Arrays

David Cournapeau cournape@gmail....
Thu May 8 12:18:15 CDT 2008


On Fri, May 9, 2008 at 2:06 AM, Nadav Horesh <nadavh@visionsense.com> wrote:
> Is the 80 bits float (float96 on IA32, float128 on AMD64) isn't enough? It has a 64 bits mantissa and can represent numbers up to nearly 1E(+-)5000.

It only make the problem happen later, I think. If you have a GMM with
million of samples of high dimension with many clusters, any "linear"
representation will fail I think. In a sense, the IEEE format is not
adequate for that kind of computation.

David


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