public function get_inference_result(Language_variable_collection $langvar_coll)
 {
     $output_coll = new Output_language_variable_collection();
     $weight_array = $langvar_coll->get_weight_array();
     $membership_matrix = $langvar_coll->get_membership_matrix();
     for ($x = 0; $x < $output_coll->get_number(); $x++) {
         $min_array = array();
         for ($y = 0; $y < count($weight_array); $y++) {
             $min_array[] = min(array($weight_array[$y], $membership_matrix[$y][$x]));
         }
         $max = max($min_array);
         $output_coll->set_membership($x, $max);
     }
     return $output_coll;
 }
 public function get_inference_result(Language_variable_collection $langvar_coll)
 {
     $output_coll = new Output_language_variable_collection();
     $weight_array = $langvar_coll->get_weight_array();
     $membership_matrix = $langvar_coll->get_membership_matrix();
     for ($x = 0; $x < $output_coll->get_number(); $x++) {
         $multiplication_array = array();
         for ($y = 0; $y < count($weight_array); $y++) {
             $r = $weight_array[$y] * $membership_matrix[$y][$x];
             $multiplication_array[] = $r;
         }
         $result = 0;
         for ($z = 0; $z < count($multiplication_array); $z++) {
             $result = $result + $multiplication_array[$z];
         }
         if ($result > 1) {
             $result = 1;
         }
         $output_coll->set_membership($x, $result);
     }
     return $output_coll;
 }