void llenaredneuronal () {
  
  float [] weights1 = {-1, -1, -1, -.5, -.9, .8, 1, 1, .5, .4, .3};        // maj
  float [] weights2 = {-.2, 1, .1, .1, .2, .1, -1, 1, .2, .2, 0};         // V7
  float [] weights3 = {.7, .8, 1, .5, -.7, -.5, -.2, -1, 0, .8, .4};       // m7
  float [] weights4 = {.5, .5, .5, -.5, -.5, -.8, -.4, .5, .5, .5, 1};      // dim & alt
  
  layer.node[0].set_weights(weights1);
  layer.node[1].set_weights(weights2);
  layer.node[2].set_weights(weights3);
  layer.node[3].set_weights(weights4);

}