机器学习笔记：权重初始化

权重初始化 预备知识 期望的性质 (1) E ( C ) = C E(C) = C \tag{1} E(C)=C(1) (2) E ( a X ) = a E ( X ) E(aX) = aE(X) \tag{2} E(aX)=aE(X)(2) (3) E ( X + Y ) = E ( X ) + E ( Y ) E(X+Y) = E(X)+E(Y) \tag{3} E(X+Y)=E(X)+E(

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