how to convert 3d array into 3 column vectors

i have data (vand_sph61-11.mat) which is in 3d-array of size 1801x59x109. i want to split it into 3 column vectors as 1801x1, 59x1 and 109x1 size. i provided my data here

[Fabio Freschi]

You can't!

The 3d-array has 1801x59x109=11582231 elements, you want 3 vectors with a total of 1801+59+109 = 1969 elements.