11 2019 档案
摘要:np.random.randn是基于标准正态分布产生的随机数,np.random.rand是基于均匀分布产生的随机数,其值在[0,1). np.mgrid 与np.ogrid的理解及区别:两者都是为生成二维数组的,而ogrid,顾名思义,就是open-mesh-grid,not flesh-out,
阅读全文
摘要:As a new learner of Numpy, it is very common to be confused by the form of array, braces nested in braces, such as ‘a= np.array[[[1],[2],[3]]]’ so tha
阅读全文