有理曲线和曲面作为一类重要的逼近函数，在计算机辅助设计与制造中有着广泛的应用。
Rational curves and rational surfaces, which are a class of important approximation functions, are extensive applied in CAD/CAM.
摘要利用有理数对实数逼近的表示方式，给出黎曼函数处处不可导的一种证明，给出单位圆周上的有理点在单位圆上稠密的证明。
Rational number can approximate to real number use the notation of approximate one can prove riemann function isn't differentiable anywhere that the rational points are dense in unit circle .
提出了一种新的结合特征灵敏度直接法和向量值函数有理逼近的结构动力重分析方法。
The new method is based on combining perturbation method of eigen-problems with rational approximation of a vector-value function .
利用有理数对实数逼近的表示方式，给出黎曼函数处处不可导的一种证明，给出单位圆周上的有理点在单位圆上稠密的证明。
Rational number can approximate to real number, use the notation of approximate one can prove Riemann function isn t differentiable anywhere, that the Rational points are dense in unit circle.
函数逼近应用实例结果表明，将有理式多层神经网络用于解决传统问题是有效的。
Experiment result illustrates the effectiveness of the rational fraction multiplayer feed forward neural networks in solving traditional problems.
讨论了一类插值有理函数对可微函数的逼近，得到了相应的逼近阶。
The approximation of differentiable functions by a kind of interpolatory rational functions is discussed, and the corresponding order of approximation is obtained.
讨论了一类插值有理函数对可微函数的逼近，得到了相应的逼近阶。
The approximation of differentiable functions by a kind of interpolatory rational functions is discussed, and the corresponding order of approximation is obtained.
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