Numpy的简单用法小结

Numpy的简单用法,下面就一起来了解一下 import numpy as np 一、创建ndarray对象 列表转换成ndarray: >>> a = [1,2,3,4,5] >>> np.array(a) array([1, 2, 3, 4, 5]) 取随机浮点数 >>> np.random.rand(3, 4) array([[ 0.16215336, 0.49847764, 0.36217369, 0.6678112 ], [ 0.66729648, 0.86538771, 0.32621889, 0.07709784], [ 0.05460976, 0.3446