タグ

ブックマーク / gciruelos.com (1)

  • gciruelos.com

    We can define roundness in many ways. For example, as you may know, the circle is the shape that given a fixed perimeter maximizes the area. This definition has many problems. One of the problems is that countries generally have chaotic perimeters (also known as borders), so they tend to be much longer than they seem to be. For that reason, we have to define roundness some other way. Given a count

    matsuokahajime
    matsuokahajime 2018/05/14
    島国のことを考えた正円度の定義。日本の正円度は206国中189位。この円の中心に来る北陸の人が喜びそうな画像だ。 人口の1/2を含む面積最小の円の方が、意味があるだろうけれど。
  • 1