矢量场方向导数和时标正则曲线

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Directional Derivative of the Vector Field and Regular Curves on Time Scales

摘要: 研究了一类参数方程的曲线，其参变量表示为所谓时标(time scale)，该时标是所有实数的集的一个任意闭子集．引入了相应于矢量场的方向导数．
- 时标 /
- 矢量微分算子(nabla)导数 /
- 正则曲线 /
- 切线 /
- 矢量场
Abstract: The general idea is to study curves where in the parametric equations the parameter varies in a so-called time scale, which may be an arbitrary closed subset of the set of all real numbers. The directional derivative according to the vector fields was introduced.
- time scale /
- nabla derivative /
- regular curve /
- tangent line /
- vector field

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