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ai-lect3

# ai-lect3 - Last time Summary Definition of AI Turing Test...

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1 Last time: Summary Definition of AI? Turing Test? Intelligent Agents: Anything that can be  viewed  as   perceiving  its  environment  through  sensors  and  acting  upon that environment through its  effectors  to  maximize progress towards its  goals . PAGE (Percepts, Actions, Goals, Environment) Described as a Perception (sequence) to Action Mapping:  P    A Using look-up-table, closed form, etc. Agent Types:  Reflex, state-based, goal-based, utility-based Rational Action:  The action that maximizes the expected value of  the performance measure given the percept sequence to date

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2 Outline: Problem solving and search Introduction to Problem Solving Complexity Uninformed search Problem formulation Search strategies: depth-first, breadth-first Informed search Search strategies: best-first, A* Heuristic functions
3 Example: Measuring problem! Problem:  Using these three buckets, measure 7 liters of water. 3 l 5 l 9 l

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4 Example: Measuring problem! (one possible) Solution: a b c 0 0 0 start 3 0 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c
5 Example: Measuring problem! (one possible) Solution: a b c 0 0 0 start 3 0 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c

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6 Example: Measuring problem! (one possible) Solution: a b c 0 0 0 start 3 0 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c
7 Example: Measuring problem! (one possible) Solution: a b c 0 0 0 start 3 0 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c

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8 Example: Measuring problem! (one possible) Solution: a b c 0 0 0 start 3 0 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c
9 Example: Measuring problem! (one possible) Solution: a b c 0 0 0 start 3 0 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c

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10 Example: Measuring problem! (one possible) Solution: a b c 0 0 0 start 3 0 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c
11 Example: Measuring problem! (one possible) Solution: a b c 0 0 0 start 3 0 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c

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12 Example: Measuring problem! (one possible) Solution: a b c 0 0 0 start 3 0 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c
13 Example: Measuring problem! (one possible) Solution: a b c 0 0 0 start 3 0 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c

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14 Example: Measuring problem! Another Solution: a b c 0 0 0 start 0 5 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c
15 Example: Measuring problem! Another Solution: a b c 0 0 0 start 0 5 0 3 2 0 0 0 3 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c

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16 Example: Measuring problem! Another Solution: a b c 0 0 0 start 0 5 0 3 2 0 3 0 2 3 0 3 0 0 6 3 0 6 0 3 6 3 3 6 1 5 6 0 5 7 goal 3 l 5 l 9 l a b c
17 Example: Measuring problem!

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ai-lect3 - Last time Summary Definition of AI Turing Test...

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