Artificial Intelligence
CS607
WWW.VUTUBE.EDU.PK
Assignment No. 1
Question No.1
Apply the Best First Search on the tree given below to reach to the goal N
(Highlighted)
S
10
8
C
A
15
17
12
14
15
13
E
D
B
G
F
9
J
10
L
K
H
7
M
0
4
10
I
8
N
O
Solution:
Step 1.
S
10
8
C
A
15
17
12
14
15
13
E
D
B
G
F
9
J
10
K
L
7
H
M
4
0
10
I
N
8
Available options: A , B , C
Best Option: A
Virtual University of Pakistan
O
Artificial Intelligence CS607
So,
S
10
8
C
A
15
17
12
14
15
13
E
D
B
G
F
9
J
10
L
K
H
7
M
0
4
10
I
8
N
O
Step 2.
S
10
8
C
A
15
17
12
14
15
13
E
D
B
G
F
9
J
10
K
L
H
7
M
4
0
10
I
N
8
O
Available options: D, E, F , B , C
Best Option: C
So,
Virtual University of Pakistan
2
Artificial Intelligence CS607
S
10
8
C
A
15
17
12
14
15
13
E
D
B
G
F
9
J
10
L
K
H
7
M
0
4
10
I
8
N
O
Step 3.
S
10
8
C
A
15
17
12
14
15
13
E
D
B
G
F
9
J
10
L
K
H
7
M
0
4
10
I
8
N
O
Available options: D, E, F , B , G , H , I
Best Option: I
So,
S
10
8
C
A
15
17
12
14
15
13
E
D
B
G
F
9
J
10
K
L
7
H
M
4
0
10
I
N
Virtual University of Pakistan
8
O
3
Artificial Intelligence CS607
Step 4.
S
10
8
C
A
15
17
12
14
15
13
E
D
B
G
F
9
J
10
L
K
H
7
M
0
4
10
I
8
N
O
Available options: D, E, F , B , G , H , N , O
Best Option: N
So,
S
10
8
C
A
15
17
12
14
15
13
E
D
B
G
F
9
J
10
K
L
H
7
M
4
0
10
I
N
8
O
We have reached our goal.
Question No.2
Apply the beam search (with k = 2) on the tree given below to reach the Goal M
the distance of all the nodes from goal node is written adjacent to each node;
show all the steps and give the final path from Start node S to the final node M,
in the form of list of nodes or highlighted path.
Virtual University of Pakistan
4
Artificial Intelligence CS607
S
13
12
C
A
13
12
B
12
E
D
J
8
G
F
13
9
10
8
H
8
P
4
3
N
K
10
I
O
0
M
Solution:
Step 1.
S
13
12
C
A
13
12
E
D
B
12
J
8
G
F
13
9
10
8
P
K
H
8
4
10
I
N
3
O
0
M
Nodes considering: A, C
Node Selected: C
Step 2.
Virtual University of Pakistan
5
Artificial Intelligence CS607
S
13
12
C
A
13
12
B
12
E
D
J
8
G
F
13
9
10
8
H
8
P
4
3
N
K
10
I
O
0
M
Nodes considering: A, B
Node Selected: B
Step3.
S
13
12
C
A
13
12
E
D
B
12
J
8
G
F
13
9
10
8
P
K
H
8
4
10
I
N
3
O
0
M
Nodes considering: F, P
Node Selected: F
Step 4.
Virtual University of Pakistan
6
Artificial Intelligence CS607
S
13
12
C
A
13
12
B
12
E
D
J
8
G
F
13
9
10
8
H
8
P
4
3
N
K
10
I
O
0
M
No next node after F so moving back to its parent B and going to P.
Step 5.
S
13
12
C
A
13
12
E
D
B
12
J
8
G
F
13
9
10
8
P
K
H
8
4
10
I
N
3
O
0
M
Only one child node M moving to it and stopping our search as it is our goal.
Virtual University of Pakistan
7