In this paper, the star-kernel of a quasi-differentiable function in one-dimensional space is studied.
本文在一维情形下对拟可微函数的星核进行了讨论，证明了拟微分星-有界等价子类的存在性；
Finally, it is pointed out that the directional differentiability is equivalent to the quaSi-differentiability in one-dimensional space.
最后指出了在一维情形下方向可微与拟可微是等价的。
Finally, it is pointed out that the directional differentiability is equivalent to the quaSi-differentiability in one-dimensional space.
最后指出了在一维情形下方向可微与拟可微是等价的。
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