It does not matter, and there's not a lot to get wrong in deep learning. The math involved is pretty simple, in terms of the calculations that have to be perfo

It does not matter, and there's not a lot to get wrong in deep learning. The math involved is pretty simple, in terms of the calculations that have to be performed. Where frameworks differ is in things like speed and ease of use. Use the one that is the easiest for you. Tensorflow is certainly going to be the most popular for the foreseeable future.