數學上,座標系統原點是指座標軸交點[1]

笛卡儿坐标平面的原点

在常用的二維(或三維)直角座標系中,分別有二個(或三個)互相垂直的座標軸。原點為各座標軸的交點,並且將各座標軸分為二段,在原點一側的座標為正值,另一側則為负值。

在二維直角座標系中,原點的座標為(0,0)。而在三維直角座標系中,原點的座標為(0,0,0)。

參考文獻

编辑
  1. ^ Madsen, David A., Engineering Drawing and Design, Delmar drafting series, Thompson Learning: 120, 2001 [2021-01-17], ISBN 9780766816343, (原始内容存档于2020-09-22) .
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