ochimusha01 https://blog.hatena.ne.jp/ochimusha01/ 諸概念の迷宮（Things got frantic） https://ochimusha01.hatenablog.com/ 2019年時点で悩んでいた事。 最近になって原始座標群(Primitive Coordinate Group)X(d)(d(imention)=0,1,2,3,…,Inf(inity)){原始点(Primitive Point)(0)=原始線(Primitive Line)(0)=原始円(Primitive Circle)(0)=原始球面(Primitive Sphere)(0),…,原始球面(d-3),原始円(d-2),原始直線(d-1),観測原点(Observative Origin)(d),原始直線(d+1),原始円(d+2),原始球面(d+3),…,原始点(Inf)=原始直線(Inf)… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fochimusha01.hatenablog.com%2Fentry%2F2020%2F10%2F18%2F060947" title="【数学ロマン】オイラーの原始量（Euler&#39;s primitive sweep）から原始座標群(Primitive Coordinate Group)へ - 諸概念の迷宮（Things got frantic）" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/o/ochimusha01/20201018/20201018055842.png Hatena Blog https://hatena.blog 2020-10-18 06:09:47 rich https://ochimusha01.hatenablog.com/entry/2020/10/18/060947 1.0 100%