Returns the jump necessary to go from one element to the next one in each dimension. Example: 

> x = torch.Tensor(4,5):zero()
> print(x)

0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
[torch.Tensor of dimension 4x5]

> return  x:stride()
 1 -- elements are contiguous in a column [first dimension]
 4
[torch.LongStorage of size 2]

Note also that in Torch elements in the same column [elements along the first dimension] are contiguous in memory for a matrix [tensor].