python 实现多维数组转向量
我就废话不多说了,如下所示:
>>>fromcompiler.astimportflatten >>>X matrix([[ 1, 17, 13,221,289,169], [ 1, 17, 14,238,289,196], [ 1, 17, 15,255,289,225], [ 1, 18, 13,234,324,169], [ 1, 18, 14,252,324,196], [ 1, 18, 15,270,324,225], [ 1, 19, 13,247,361,169], [ 1, 19, 14,266,361,196], [ 1, 19, 15,285,361,225]]) >>>x=X.tolist() >>>x [[ 1, 17, 13,221,289,169], [ 1, 17, 14,238,289,196], [ 1, 17, 15,255,289,225], [ 1, 18, 13,234,324,169], [ 1, 18, 14,252,324,196], [ 1, 18, 15,270,324,225], [ 1, 19, 13,247,361,169], [ 1, 19, 14,266,361,196], [ 1, 19, 15,285,361,225]] >>>xx=flatten(x) (或者x.ravel() ) >>>xx [1, 17, 13, 221, 289, 169, 1, 17, 14, 238, 289, 196, 1, 17, 15, 255, 289, 225, 1, 18, 13, 234, 324, 169, 1, 18, 14, 252, 324, 196, 1, 18, 15, 270, 324, 225, 1, 19, 13, 247, 361, 169, 1, 19, 14, 266, 361, 196, 1, 19, 15, 285, 361, 225]
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