40 lines
982 B
Plaintext
40 lines
982 B
Plaintext
class: "GraphSearchTest"
|
|
algorithm: "breadthFirstSearch"
|
|
|
|
diagram: """
|
|
B1 E1
|
|
^ \ ^ \
|
|
/ V / V
|
|
*A --> C --> D --> F --> [G]
|
|
\ ^ \ ^
|
|
V / V /
|
|
B2 E2
|
|
|
|
A is the start state, G is the goal. Arrows mark
|
|
possible state transitions. This graph has multiple
|
|
paths to the goal, where nodes with the same state
|
|
are added to the fringe multiple times before they
|
|
are expanded.
|
|
"""
|
|
# The following section specifies the search problem and the solution.
|
|
# The graph is specified by first the set of start states, followed by
|
|
# the set of goal states, and lastly by the state transitions which are
|
|
# of the form:
|
|
# <start state> <actions> <end state> <cost>
|
|
graph: """
|
|
start_state: A
|
|
goal_states: G
|
|
A 0:A->B1 B1 1.0
|
|
A 1:A->C C 2.0
|
|
A 2:A->B2 B2 4.0
|
|
B1 0:B1->C C 8.0
|
|
B2 0:B2->C C 16.0
|
|
C 0:C->D D 32.0
|
|
D 0:D->E1 E1 64.0
|
|
D 1:D->F F 128.0
|
|
D 2:D->E2 E2 256.0
|
|
E1 0:E1->F F 512.0
|
|
E2 0:E2->F F 1024.0
|
|
F 0:F->G G 2048.0
|
|
"""
|