是可导
0
导数等于0是可导还是不可导？
导数等于0是否可导取决于具体情况。等于0的导数表示该函数可能存在极值点。等于0的一阶导数只是一个有极值的必要阈值，不是一个充分阈值，也就是说，有极值的地方，切线的斜率一定是0；切线斜率为0的地方，不一定是[详细]
2023-12-19 07:03 分类：问答Tailing a binary file in Erlang adds mysterious bit-string
I want to run tail on a named pipe to facilitate some binary logfile processing. The problem is that mysterious data is being added to the beginning of the stream. I run my tests by starting the erlan[详细]
2022-12-28 17:39 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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