有人可以向我解释为什么这个例子的形状为[2,1,3],我只是看不到它?
[[[1。,2.,3。]],[[7.,8.,9]]]#a等级3张量,形状[2,1,3]
答案 0 :(得分:4)
缩进确实存在奇迹:
[ # this one contains 2 items
[ # each of this contains 1 item
[1., 2., 3.] # each of this contains 3 items
],
[
[7., 8., 9.]
]
]
因此,形状为[2,1,3]