因子分解机FM算法原理
本文共 115 字，大约阅读时间需要 1 分钟。
在网上看到一篇介绍因子分解机(Factorization Machines，FM)算法的，其内容很详细、全面而且逻辑清晰明了。因此，特意转发一下以供以后的学习。
Pinard注：上面最后一句话应该是"而gθ(x)gθ(x)来计算"
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