This symbol describes the average probability, over a set of training samples, that two units, \(\htmlClass{sdt-0000000091}{\mathbf{s}}_{\htmlClass{sdt-0000000018}{i}}\) and \(\htmlClass{sdt-0000000091}{\mathbf{s}}_{\htmlClass{sdt-0000000011}{j}}\) are the same.
This symbol describes the average probability, over a set of training samples, that two units, \(\htmlClass{sdt-0000000091}{\mathbf{s}}_{\htmlClass{sdt-0000000018}{i}}\) and \(\htmlClass{sdt-0000000091}{\mathbf{s}}_{\htmlClass{sdt-0000000011}{j}}\) are the same. Used in calculating the gradients when performing gradient descent when training Boltzmann machine.
The symbol \(p_{ij}\) describes the average probability, over a set of training samples, that two units, \(\htmlClass{sdt-0000000091}{\mathbf{s}}_{\htmlClass{sdt-0000000018}{i}}\) and \(\htmlClass{sdt-0000000091}{\mathbf{s}}_{\htmlClass{sdt-0000000011}{j}}\) are the same. Used in calculating the gradients when performing gradient descent when training Boltzmann machine.