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关于误差更新的问题 #8
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同问,我自己写的时候用self.E = [self._get_E(i) for i in range(self.n)]重新计算了E. |
同问,我试了一下改正E的计算方法,发现预测精确度降低了。这是计算精度引发的问题吗? |
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在代码中,误差E每次仅更新挑出来的那两个index对应的E,但是,在b更新的情况下,其他index对应的E不是也会改变吗?
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