undefined function crbm_forward2D_batch_mex

[AlaaSulaiman]

Hello,

Please, I'm trying use your code of the Convolutional Deep Belief Networks. In fact, I'm trying test it on windows platform and the code works very well, except the ( DemoCDBN_Binary_2D) sicript gives me an error at line 102.

The error says undefined function crbm_forward2D_batch_mex

Please, do you know why gives me this error and how can I handle it?
Another question Ihave a large dataset, how can I detemine the number of mini batch size parameter in each training iteration?