Max Alekseyev on Thu, 22 Oct 2015 16:09:56 +0200

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Re: Using forvec as fordiv

Another variant:


On Wed, Oct 21, 2015 at 4:41 PM, Charles Greathouse <> wrote:
Given a vectors u and v with #v == #u, what's the easiest way to extract the elements of v for which the corresponding element of u is nonzero? (All elements from u will be 0 or 1.)

This is for constructing divisors of factorback(v) in their factored form.

Charles Greathouse
Case Western Reserve University