On Tuesday, January 21, 2020 at 5:23:43 PM UTC-8, Eric Zhu wrote:
>
> Is there a way to get the endomorphism ring of an elliptic curve in Sage?
>
with
d=E.cm_discriminant()
you know that End(E) is the cm order of discriminant d. If E does not have
cm, then End(E)=Z
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How to use parallelization on contraction of tensor? Consider the case I
have two successive contraction like this:
Tud=etuu['^{ab}']*eamup['^c_b']
Tp=Tud['^{ab}']*eamup['^c_a']
How con I parallelize it?
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On Tue, Jan 21, 2020 at 1:00 PM mendes wrote:
>
> Dear all,
>
> In previous versions of Sage I was able to do very quickly some numerical
> integrations involving unit_step(t) function .
>
> But, in the last updates (8.9 and 9.0) , it takes 6 times longer to do the
> numerical integral
Dear all,
In previous versions of Sage I was able to do very quickly some *
numerical* integrations involving unit_step(t) function .
But, in the last updates (8.9 and 9.0) , it takes 6 times longer to do
the numerical integral of convolution with unit_step(), than to do the
same
