Vector Function
F(x,y,...)=P(x,y)i + Q(x,y)j + ... = <P(x,y), Q(x,y), ...>
F=Pi + Qj + ...
|F(x,y,...)| = \sqrt {(x^2) + (y^2) + ...}
Scalar Function
F(x,y,...)=n相关文章：
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F(x,y,...)=P(x,y)i + Q(x,y)j + ... = <P(x,y), Q(x,y), ...>
F=Pi + Qj + ...
|F(x,y,...)| = \sqrt {(x^2) + (y^2) + ...}
F(x,y,...)=n相关文章：