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单词 Position function
释义

Position function

英语百科

Position (vector)

Space curve in 3D. The position vector r is parameterized by a scalar t. At r = a the red line is the tangent to the curve, and the blue plane is normal to the curve.
Kinematic quantities of a classical particle: mass m, position r, velocity v, acceleration a

In geometry, a position or position vector, also known as location vector or radius vector, is a Euclidean vector that represents the position of a point P in space in relation to an arbitrary reference origin O. Usually denoted x, r, or s, it corresponds to the straight-line distances along each axis from O to P:

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更新时间:2025/6/20 17:31:33