# 采用0基數(shù)系統(tǒng)
a = np.array([1,2,3]) //數(shù)組的創(chuàng)建
a.shape //數(shù)組維度的顯示
a = np.zeros((2,2)) //創(chuàng)建一個(gè)全為0的2x2的數(shù)組
b = np.ones((1,2)) //創(chuàng)建一個(gè)全為1的1x2的數(shù)組
c = np.full((2,2), 7) //創(chuàng)建一個(gè)全為7的2x2的數(shù)組
d = np.eye(2) //Create a 2x2 identity matrix
e = np.random.random((2,2)) //Create an array filled with random values