反向传导算法
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Revision as of 04:46, 31 July 2013
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Kandeng
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Latest revision as of 01:30, 2 December 2016
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Line 20:
Line 20:
</math>
</math>
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以上公式中的第一项
<math>\textstyle J(W,b)</math>
是一个均方差项。第二项是一个规则化项(也叫
'''权重衰减项'''),其目的是减小权重的幅度,防止过度拟合。
+
以上关于
<math>\textstyle J(W,b)</math>
定义中的第一项是一个均方差项。第二项是一个规则化项(也叫
'''权重衰减项'''),其目的是减小权重的幅度,防止过度拟合。
Latest revision as of 01:30, 2 December 2016
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