2016-05-19から1日間の記事一覧
d.hatena.ne.jp行列の積http://www.geisya.or.jp/~mwm48961/kou2/matrix2.htmlwww.geisya.or.jp
Numpy In [17]: train_x = np.array([[2,1],[4,1],[9,1]]) In [18]: train_y = [5,9,19] In [19]: np.linalg.inv(train_x.T.dot(train_x)).dot(train_x.T).dot(train_y) Out[19]: array([ 2., 1.]) PDL pdl> $train_x = pdl[[2,1],[4,1],[9,1]] pdl> $train_…
