08 2017 档案

批量梯度下降（Batch gradient descent） C++
摘要：At each step the weight vector is moved in the direction of the greatest rate of decrease of the error function, and so this approach is known as grad 阅读全文
posted @ 2017-08-20 11:22 东宫得臣 阅读(593) 评论(0) 推荐(0) 编辑
线性回归（最小二乘法、批量梯度下降法、随机梯度下降法、局部加权线性回归） C++
摘要：We turn next to the task of finding a weight vector w which minimizes the chosen function E(w). Because there is clearly no hope of finding an anlytic 阅读全文
posted @ 2017-08-17 21:48 东宫得臣 阅读(557) 评论(0) 推荐(0) 编辑

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