Topk is a bad choice imo.  I initially parsed it as to_pk, and had no idea what that was, although sounded a lot like a scipy signal function.  Nlargest would be very obvious.

On Sun, May 30, 2021, 7:50 AM Alan G. Isaac <> wrote:
Mathematica and Julia both seem relevant here.
Mma has TakeLargest (and Wolfram tends to think hard about names).
Julia's closest comparable is perhaps partialsortperm:
Alan Isaac

On 5/30/2021 4:40 AM, wrote:
> Hi, Thanks for reply, I present some details below:
NumPy-Discussion mailing list