cs231n_assignment2

思路整理，并给出测试方法：
http://blog.csdn.net/xieyi4650/article/details/53839308?utm_source=itdadao&utm_medium=referral
http://blog.csdn.net/xieyi4650/article/details/53840778
http://blog.csdn.net/xieyi4650/article/details/53840814
http://blog.csdn.net/xieyi4650/article/details/53931885

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代码实现来源1：
http://www.cnblogs.com/daihengchen/p/5765142.html
http://www.cnblogs.com/daihengchen/p/5769999.html
http://www.cnblogs.com/daihengchen/p/5770129.html

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代码实现来源2：
http://www.jianshu.com/p/9c4396653324

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BN反向传播求导的讲解：
https://kratzert.github.io/2016/02/12/understanding-the-gradient-flow-through-the-batch-normalization-layer.html