Method gibbs_vhv

examples/machine_learning/rbm.cpp:71–77

    }

    void gibbs_vhv(array &vt, array &ht, const array &v, int k = 1) {
        vt = v;
        for (int i = 0; i < k; i++) {
            ht = vtoh(vt);
            vt = htov(ht);
        }
    }

    void gibbs_hvh(array &vt, array &ht, const array &h, int k = 1) {
        ht = h;