报错：operands could not be broadcast together with shapes (130,2) (2,2)
operands could not be broadcast together with shapes (130,2) (2,2) 改正方法： 在对矩阵进行相乘时，使用 np.dot(a,b) ...
原文：【python问题系列--4】ValueError: operands could not be broadcast together with shapes (100,3) (3,1)
背景：dataMatrix是 , 的列表，labelMat是 ， 的列表，weights是 , 的数组，属性如下代码所示： gt gt gt import types gt gt gt type dataMatrix lt type list gt gt gt gt type labelMat lt type list gt gt gt gt type weights lt type numpy. ...
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