[FRIAM] Looking for an algorithm
Roger Critchlow
rec at elf.org
Thu Nov 4 09:41:26 EDT 2021
https://en.wikipedia.org/wiki/Low-rank_approximation,
https://www.quora.com/What-is-the-meaning-of-low-rank-matrix
-- rec --
On Wed, Nov 3, 2021 at 6:43 PM Frank Wimberly <wimberly3 at gmail.com> wrote:
> Usually by the tensor product of two matrices peopleean the Kronecker
> product. Is that what you mean?
>
> ---
> Frank C. Wimberly
> 140 Calle Ojo Feliz,
> Santa Fe, NM 87505
>
> 505 670-9918
> Santa Fe, NM
>
> On Wed, Nov 3, 2021, 2:13 PM Jon Zingale <jonzingale at gmail.com> wrote:
>
>> Hey all,
>>
>> Given a square matrix over Z2, how do I find whether or not it is the
>> tensor product of two simpler square matrices? Are there well-known
>> algorithms for deciding this as well as for finding what matrices the
>> original *can be* factored into?
>>
>> [*] Because it is obvious that such factorizations will not always be
>> unique even over the field Z2.
>>
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