Trace Table for AStar (A*) Search
Sample Trace from Bordeaux (Bord) to Dijon (Di)
(Partially done)

AStar  Start: Bord   Goal: Di                                           Name_________________

F = G + H     H = 10*H

Open Closed N L Nodes F G H Ptr
(Bord)

()




570
0
570
(-6-51)
Nil
()



(Lim To Nan)

(Bord)





Bord





(Lim To Nan)



____________
Update Open
Lim

To

Nan

610

623

999

220

253

329

390
12-51
370
14-51
670
-16-51
Bord

Bord

Bord

(To Nan)



(To Ly Paris Nan)

(Lim Bord)





Lim





(Ly Paris)



____________
Update Open
Ly

Paris



639

896



609
389+220
616
396+220


30
48-51
280
23-51


Lim

Lim



(Ly Paris Nan)



(Ly Mont Paris Nan)

(To Lim Bord)





To





(Mont)



____________
Update Open
Mont





643





493
253+240




150
36-51




To








Keep going to find the route to Dijon








____________
Update Open