Examples on Game playing
Duration: 5 min
This video lesson is available to enrolled students.
Inside: a video lesson and guided study material.
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- Paper 1 | General Hindi: भाषा, लिपि, ध्वनि, वर्ण, अक्षर, स्वर, व्यंजन, मात्रा और संयुक्ताक्षर, वर्तनी, वर्ण-विन्यास, अनुस्वार, अनुनासिक, चंद्रबिंदु और ‘र’ के रूप, शब्द, पद और शब्द-भेद, हिन्दी की रूप रचना, संज्ञा और सर्वनाम, विशेषण और क्रिया, लिंग, वचन, पुरुष और कारक, काल, वाच्य, वाक्य और वाक्य-भेद, वर्णमाला, समास, संधि, Multi-Topic Content (Cross-Concept Material), हिन्दी की ध्वनि और स्वनिम व्यवस्था, प्राचीन और मध्यकालीन भारतीय आर्यभाषाएँ, काव्य के लक्षण, हेतु और प्रयोजन, हिन्दी शब्द रचना, हिन्दी साहित्येतिहास दर्शन, भक्तिकालीन काव्यधाराएँ, भारतीय काव्यशास्त्र की परंपरा, भारतीय नवजागरण और स्वाधीनता आंदोलन, अन्य गद्य विधाएँ एवं प्रवासी साहित्य, निर्धारित उपन्यासों का तुलनात्मक अध्ययन, गोदान, हिन्दी कहानी का विकास, स्वातंत्र्योत्तर और नयी कहानी, हिन्दी निबंध का विकास, शुक्लोत्तर निबंध, द्विवेदी और शुक्ल युग के निबंध, हिन्दी की संवैधानिक स्थिति, आधुनिक भारतीय आर्यभाषाएँ और हिन्दी का उद्भव, हिन्दी भाषा प्रयोग के विविध रूप, रीतिकाल, जीवनी, द्विवेदी युग और छायावाद, रीति, वक्रोक्ति और औचित्य सिद्धान्त, शब्दशक्ति और ध्वनि सिद्धान्त, रस सिद्धान्त और साधारणीकरण, उत्तर आधुनिकतावाद, लोहिया दर्शन, हिन्दी उपन्यास का विकास, हिन्दी नवजागरण, अंबेडकर दर्शन, आदिकाल, प्रयोगवाद और नयी कविता, छायावादी काव्य: प्रसाद और निराला, प्रगतिवाद से समकालीन कविता, निर्गुण भक्ति काव्य, द्विवेदीयुगीन काव्य, रीतिकालीन काव्य, आरंभिक हिन्दी उपन्यास, स्वातंत्र्योत्तर उपन्यास, आत्मकथा, स्वाधीनता-पूर्व प्रेमचंदोत्तर उपन्यास, निर्धारित कहानियों का तुलनात्मक अध्ययन, साठोत्तरी नाटक, प्रसाद और प्रसादोत्तर युग के नाटक, भारतेन्दु युगीन नाटक, स्वातंत्र्योत्तर नाटक, भारतेन्दु युगीन निबंध, संस्मरण और रेखाचित्र, व्यंग्य, एक साहित्यिक की डायरी, संस्कृति के चार अध्याय, सगुण भक्ति काव्य, हिन्दी नाटक, एकांकी और रंगमंच, आधुनिक गद्य और हिन्दी नवजागरण, अलंकार सिद्धान्त, हिन्दी आलोचना का विकास, भक्ति आंदोलन, कल्पना, बिम्ब, प्रतीक, मिथक और फंतासी, नयी कविता का विस्तार और साठोत्तरी कविता, उत्तर-छायावादी और प्रगतिवादी काव्य, काव्यगुण और काव्यदोष, प्लेटो, अरस्तू और पाश्चात्य परंपरा, मार्क्सवाद, स्वच्छन्दतावादी काव्यशास्त्र, आधुनिक पाश्चात्य आलोचना, भाषा और भाषा परिवार, देवनागरी लिपि
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- Paper 1 | Computer Organization and Architecture: Basics of COA, Programming the Basic Computer, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Register Transfer and Microoperations, Control Unit Design
- Paper 1 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Security
- Paper 1 | Design and Analysis of Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
- Paper 1 | Data Structures: Introduction to DS, Array, Linked List, Stack, Queue, Tree, Graphs, Hashing
- Paper 1 | Discrete Structures and Theory of Logic: क्रमचय, संचय एवं प्रायिकता / Permutation, Combination and Probability, Set Theory, Relations, Functions, Propositional and Predicate Logic, Graph Theory, Group Theory
- Paper 1 | Software Project Management: Software Project Management
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- Paper 2 | Artificial Intelligence & High Performance Computing: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Planning, Multi Agent Systems, Natural Language Processing, क्लाउड और वितरित कंप्यूटिंग / Cloud and Distributed Computing, Emerging Tech Trends
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AI summary & chapters
AI Summary
An AI-generated summary of this video lecture.
This lecture introduces adversarial search problems, also known as games, where agents have conflicting goals. It formally defines a game using six elements: initial state, player, actions, result, terminal test, and utility function. The instructor uses a tic-tac-toe example to illustrate these concepts, drawing the grid and labeling the root as the initial state. She explains the game tree structure, distinguishing between the computer (Max player) and the opponent (Min player). The lecture details how the game tree expands from the initial state through legal moves until terminal states are reached. At these leaf nodes, a utility function evaluates the outcome, assigning values like +1 for a win, -1 for a loss, and 0 for a draw. The instructor emphasizes that the goal is to maximize utility for the computer and minimize it for the opponent.
Chapters
0:00 – 2:00 00:00-02:00
The lecture begins by defining competitive environments where agents' goals are in conflict, leading to adversarial search problems often called games. The slide lists the formal elements of a game: $S_0$ (initial state), PLAYER(s), ACTIONS(s), RESULT(s, a), TERMINAL-TEST(s), and UTILITY(s, p). The instructor highlights key terms like 'competitive environments' and 'adversarial search problems'. She draws a tic-tac-toe grid to represent the initial state $S_0$. She underlines 'legal moves' and writes 'Operations' next to it. She underlines 'transition model' for the result function. She underlines 'terminal test' and 'terminal states'. She underlines 'utility function' and writes 'Computer' and 'Player (Min)' at the bottom, indicating the two agents involved.
2:00 – 5:00 02:00-05:00
The presentation shifts to a 'Game Tree (2-player, Deterministic, Turns)' using tic-tac-toe as the example. The slide shows a tree structure starting from an empty grid. The instructor writes 'initial state' pointing to the root node. She writes 'Game' and 'Assume' near the top. She circles 'computer's turn' and 'opponent's turn' on the left. She labels the levels 'MAX (X)' and 'MIN (O)'. She writes 'State Space' near the middle nodes. She explains that the computer is the Max player and the opponent is the Min player. She points to the leaf nodes at the bottom, explaining that the utility function is employed there. She writes 'Match draw' under a utility of 0, 'win' under a utility of +1, and circles the values -1, 0, +1. She writes 'utility function' and 'test final result'. She writes 'Game playing -> util' at the bottom.
5:00 – 5:28 05:00-05:28
The video concludes with the instructor finalizing the explanation of the utility function on the game tree slide. The text 'At the leaf nodes, the utility function is employed. Big value means good, small is bad' is clearly visible. The instructor has written 'Game playing -> util' and 'test final result' on the slide. The focus remains on how the game tree is evaluated from the bottom up using these utility values to determine the best move for the Max player.
The lecture systematically builds the concept of game playing in AI. It starts with the formal definition of a game as a search problem with specific components like initial state, actions, and utility functions. It then transitions to a visual representation using a game tree for tic-tac-toe. The instructor clarifies the roles of the two players (Max and Min) and how the tree expands through legal moves. Finally, it explains the evaluation process at the leaf nodes using a utility function, assigning values to wins, losses, and draws to guide decision-making.