Error message

  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /home3/memec59d/public_html/lescas/includes/common.inc).
  • Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in menu_set_active_trail() (line 2405 of /home3/memec59d/public_html/lescas/includes/menu.inc).

Vehicle Routing Problem with Pickup and Delivery

  1. Go to Flavors section.
  2. Select Benchmarks / GeoMap / Route Sheet link of Vehicle Routing Problem with Pickup and Delivery or Select VRPPD → Benchmarks / GeoMap / Route Sheet menu as shown in Figure.

Access to VRPPD Benchmarks / GeoMap / Route Sheet

  1. For this tutorial, select Benchmarks.
  2. VRPPD Benchmarks workspace will be launch with linehaul customers (circular dots) and backhaul customers (rectangular dots) as shown in Figure.

VRPPD is similar to VRPB, however, with the condition that linehaul customers must be served before backhaul customers.

Problem View in VRPPD Benchmarks Workspace

  1. Go to Default Scheduler Library in Scheduler tab.
  2. Double-click one scheduler method, i.e. SAM scheduler method.
  3. Take note of the caption title: VRPPD: Instances(10P1)(SAM)
  4. Click Schedule button to run SAM solution method on 10P1 problem instance.
  5. Routing graph will be displayed as shown in Figure.

Solution Generated by SAM Solution Method on 10P1 Problem Instance