函数和方法method总览 这是个Numpy函数和方法分类排列目录. 创建数组 arange, array, copy, empty, empty_like, eye, fromfile, fromfunction, identity, linspace, logspace, mgrid, ogrid, ones, ones_like, r , zeros, zeros_like 转化 astype, atleast 1d, atleast 2d, atleast 3d, mat 操作 arra