• 提出了“利用双曲正弦函数变换提高数据光滑程度结论,获得了递增时间序列改善的自回归预测新方法

    A new conclusion is put forward, in which the smooth degree of the data row can be enhanced by means of the arc-hyperbolic sine function transformation.

    youdao

  • 清酒所含酒精成分不但不会刺激皮肤深入毛孔清除皮肤污垢保持皮肤光滑使皮肤呈现自然的白透红

    Wine contains alcohol stimulates skin, not only can remove skin dirt, deep pore, make the skin keep skin smooth naturally in the red.

    youdao

  • 积分常数零的条件下,证明了该方程存在光滑孤立、不可数无穷光滑周期波解、扭结波和扭结波解。

    When the integral constant is zero, the existence of smooth solitary wave solutions, uncountably infinite, many smooth periodic wave solutions, and kink and anti-kink wave solutions are proved.

    youdao

  • 证明了利用双曲正弦函数变换提高数据光滑程度,给出改善的自回归预测方法,并且举例加以论证

    This paper proves that the smooth degree of a data row can be increased by transforming the counter-hyperbolic sine function.

    youdao

  • 证明了利用双曲正弦函数变换提高数据光滑程度,给出改善的自回归预测方法,并且举例加以论证

    This paper proves that the smooth degree of a data row can be increased by transforming the counter-hyperbolic sine function.

    youdao

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