单词 | Frenet-Serret formulas |
释义 | Frenet-Serret formulas [fre`nā sǝ`rā ´fōr·myǝ·lǝz] MATHEMATICS Formulas in the theory of space curves, which give the directional derivatives of the unit vectors along the tangent, principal normal and binormal of a space curve in the direction tangent to the curve. Also known as Serret-Frenet formulas. |
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