L.的博客

x,y,m举个栗子：房屋面积与房屋价格的关系表房屋面积房屋价格210446014162321534315852178......输入“房屋面积”，得到输出“房屋价格”，则房屋面积被称为x(features)，房屋价格被称为y训练集数目为mx(i)表示第i个

定义"A computer program is said to learn from experience E with respect to some class of tasks T and performance measure P, if its performance at tasks in T, as measured by P, improves with experien