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L120C透射电镜操作流程
以连续上样为例：…
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Norm (partial)
Absolute-value norm$$| x| = |x|$$…
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cross entropy introduction
In the problem of logistic regression, MSE (Mean Squared Error) is not good enough to describe the loss of the training model. Cross entropy is an important concept in logistic regression, which comes from the information theory.…
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The configuration of multi-ssh keygens
I have two keygens, one for github no password login, while the other for the remote server login. When I have generated key as usual:…
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lemonade configuration in remote
About the lemonade…
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更新日常
写在前面，强烈谴责一下一些名字非常特别的程序，导致需要用的时候，抓耳挠腮也想不起来软件名字，在这里做一下备份。也可作为软件推荐用。…
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Legendre Transform 勒让德变换
对于给定一个关于 $x, y$ 的函数式：…
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From Logistic Regression to Multi-class Classification and Neural Networks
Back Propagation…
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为什么矩阵行、列空间维度相同
转自：stackexchange 论坛…
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神经网络拓扑排序反向传播算法的代码实现
# by defining a dictionary, classfying the both inputs (keys) and outputs (values)from functools import reduceimport random…