numpy.tile(A,reps)
參數:
返回值:
Examples
>>> numpy.tile(a,1)#爲1時不擴展
array([1, 2, 3])
>>> numpy.tile(a,(1,1))
array([[1, 2, 3]])
>>> numpy.tile(a,(1,2))#列擴展
array([[1, 2, 3, 1, 2, 3]])
>>> numpy.tile(a,(2,1)) #行擴展
array([[1, 2, 3],
[1, 2, 3]])
>>> numpy.tile(a,(1,1,1))
array([[[1, 2, 3]]])
>>> numpy.tile(a,(1,1,2))#列擴展
array([[[1, 2, 3, 1, 2, 3]]])
>>> numpy.tile(a,(1,2,1))#行擴展
array([[[1, 2, 3],
[1, 2, 3]]])
>>> numpy.tile(a,(2,1,1))#第三維擴展
array([[[1, 2, 3]],
[[1, 2, 3]]])
>>> numpy.tile(a,(1,2,2))
array([[[1, 2, 3, 1, 2, 3],#列擴展和行擴展
[1, 2, 3, 1, 2, 3]]])
>>> numpy.tile(b,2)
array([[2, 3, 2, 3],#此時reps=(1,2)列擴展,行不擴展
[3, 4, 3, 4]])
>>> numpy.tile(b,3)#此時reps=(1,3)列擴展,行不擴展
array([[2, 3, 2, 3, 2, 3],
[3, 4, 3, 4, 3, 4]])