Blind_Search_DFS

Blind_Search_DFS - Blind (Uninformed) Search (Part 2) (Part...

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1 Blind (Uninformed) Search (Part 2) (Part 2) R&N: C ha p. 3, S e c t. 3.3–5
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2 Uniform-Cost Search  Ea c h a rc  ha s  s o m e  c o s t c     ε   > 0  The  c o s t o f the  pa th to  e a c h no de  N is                     g (N)  =  Σ  c o s ts  o f a rc s  The  g o a l is  to  g e ne ra te  a  s o lutio n pa th o f m inim a l c o s t  The  no de s  N in the  q ue ue  FRING E a re  s o rte d in      inc re a s ing  g (N)  Ne e d to  m o dify s e a rc h a lg o rithm S 0 1 A 5 B 15 C S G A B C 5 1 15 10 5 5 G 11 G 10
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3 Uniform-Cost Search Completeness Yes, if step cost ε Time complexity O(b C*/ ε ) If step costs are the same O(b d ) Space O(b C*/ ε ) If step costs are the same O(b d ) Optimality Yes
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4 Depth-First Strategy   Ne w no de s  a re  ins e rte d  a t the  fro nt  o f FRING E 1 2 3 4 5 FRING E = (1)
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5 Depth-First Strategy   Ne w no de s  a re  ins e rte d  a t the  fro nt  o f FRING E 1 2 3 4 5 FRING E = (2, 3)
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6 Depth-First Strategy   Ne w no de s  a re  ins e rte d  a t the  fro nt  o f FRING E 1 2 3 4 5 FRING E = (4, 5, 3)
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7 Depth-First Strategy   Ne w no de s  a re  ins e rte d  a t the  fro nt  o f FRING E 1 2 3 4 5
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8 Depth-First Strategy   Ne w no de s  a re  ins e rte d  a t the  fro nt  o f FRING E 1 2 3 4 5
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9 Depth-First Strategy   Ne w no de s  a re  ins e rte d  a t the  fro nt  o f FRING E 1 2 3 4 5
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10 Depth-First Strategy   Ne w no de s  a re  ins e rte d  a t the  fro nt  o f FRING E 1 2 3 4 5
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11 Depth-First Strategy   Ne w no de s  a re  ins e rte d  a t the  fro nt  o f FRING E 1 2 3 4 5
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12 Depth-First Strategy   Ne w no de s  a re  ins e rte d  a t the  fro nt  o f FRING E 1 2 3 4 5
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13 Depth-First Strategy   Ne w no de s  a re  ins e rte d  a t the  fro nt  o f FRING E 1 2 3 4 5
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14 Depth-First Strategy   Ne w no de s  a re  ins e rte d  a t the  fro nt  o f FRING E 1 2 3 4 5
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Blind_Search_DFS - Blind (Uninformed) Search (Part 2) (Part...

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