How to view result for Computing a field from a view

// Views handles this page
  $view = views_get_view('view name');
  $view->set_display('default');
  $view->set_arguments(array($tid));
  $view->sort_form = $sort_form;
  // apply the 'Topics per page' setting from core Forum
  $view->display['default']->handler->options['items_per_page']=$forum_per_page;
  

$view->execute();

foreach($view->result as $row){

/**

* DO YOUR STUFF HERE  

*/

}