林彦
2018-04-21
迭代更新矩阵值时把梯度下降方法中的加减更新替换成乘除更新，保证初始值和更新步长值都是非负数，则计算出来的矩阵值为非负数
rushui
2018-04-20
nmf 非负矩阵分解
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