parametric equations

柯林斯詞典

parametric equations

• 1. N-PLURAL a set of equations expressing a number of quantities as explicit functions of the same set of independent variables and equivalent to some direct functional relationship of these quantities 參數(shù)方程

  a circle x2+y2=r2 has parametric equations x=r cos θ and y=r sin θ in terms of the parameters r and θ

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