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View Code? Open in Web Editor NEWA simple deep learning framework in pure python for purpose of learning in DL
A simple deep learning framework in pure python for purpose of learning in DL
Variable类在初始化时,父类Node的初始化不应该传入self参数,即
def __init__(self, dim, init=False, trainable=True, **kargs):
"""
变量节点没有父节点,构造函数接受变量的形状,是否初始化以及是否参与训练的标识
"""
Node.__init__(**kargs) #而非Node.__init__(self, **kargs)
self.dim = dim
这是因为如果传入self,则Node会将自身Variable实例收集到parent参数中,然后将自己加入到自己的children列表中,如果调用reset_value函数,就会陷入无限递归,从而报错
想问一下这里计算jacobi是否应该使用矩阵乘法运算符@
?
self.jacobi += child.backward(result) * child.get_jacobi(self)
你好,我最近正在看您出的书
因为我是初学者,对于某些问题的理解没有很深刻
在书的第七页,您提到为了减少模型对新样本的输出值,可以使用式1.3调整权值和偏置
这样做的依据是利用xi的符号进而控制权值wi的更新(增大 or 减小)
这里我有疑问如下:
xi(i=1,2,3)代表的是(身高,体重,体脂率),那xi为什么会有小于0的情况
式1.3是依据经验构造的吗?
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