创建一个3X3的矩阵并对其赋值:

x = numpy.array([[1,2,3],[4,5,6],[7,8,9]])
print x
print x.shape

  

  运行结果:

[[  ]
[ ]
[ ]]
(3L, 3L)
[Finished in .2s]

 

05-12 06:13