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与原点距离平方为素数的点

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青青子衿 Posted at 2019-10-14 14:15:48 |Read mode
Last edited by 青青子衿 at 2019-10-14 17:55:00由于对称性,取第一象限由角平分线分开后的上半象限
PowersRepresentations[#, 2, 2] & /@ Select[Range[1, 100, 4], PrimeQ]
  1. ListPlot[Flatten[
  2.   PowersRepresentations[#, 2, 2] & /@
  3.    Select[Range[1, 100, 4], PrimeQ], 1], GridLines -> Automatic,
  4. AspectRatio -> 1, PlotRange -> {{-1, 10}, {-1, 10}}]
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2025-4-20 22:11 GMT+8

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