The derivative of dispersed function doesn't exist, so that, how to deal with the derivative is the key to set up grey model.

由于离散函数的导数不存在，因此，如何处理导数信号，是建立灰色模型的关键。

youdao

The derivative of dispersed function doesn't exist, so that, how to deal with the derivative is the key to set up grey model.

由于离散函数的导数不存在，因此，如何处理导数信号，是建立灰色模型的关键。

youdao