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Artificial Intelligence Search Methods For Problem Solving

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Self-paced Beginner

Artificial Intelligence Search Methods For Problem Solving

4(1581)
16 enrolled
2503 views
FREE
2344 min
Anytime
English
2503 views
Team EveryEng
Team EveryEngMechanical Engineering
  • Lifetime access
  • Certificate of completion
  • Foundational Learning
  • Access to Study Materials
Volume pricing for groups of 5+

Why enroll

Completing the NPTEL course "Artificial Intelligence Search Methods For Problem Solving" can significantly enhance your career prospects in AI and related fields. By mastering search methods and problem-solving strategies, you'll develop a strong foundation in AI and be able to tackle complex challenges. This expertise will open doors to roles like AI/ML Engineer, Data Scientist, and Problem-Solving Specialist. You'll also gain a competitive edge in industries like robotics, healthcare, finance, and more. With this course, you'll be well-equipped to drive innovation and solve real-world problems, leading to accelerated career growth and new opportunities.

What enrolled engineers say

5 verified reviews
  • Feb 25, 2026

    Initially, I wasn’t sure what to expect from this course. Coming from an automotive and aerospace background, beginner-level AI material can sometimes gloss over the hard parts. This one didn’t. The coverage of uninformed vs. informed search, especially BFS, DFS, and A*, was clear enough to map back to real problems like route planning for autonomous vehicles and fault isolation in avionics systems. One thing that stood out was how constraint satisfaction problems were framed. In industry, CSPs show up in aircraft maintenance scheduling and ECU configuration validation, and the lectures made it easier to reason about why naïve backtracking fails once constraints start interacting. A real challenge was mentally translating clean textbook state spaces into messy, real-world graphs with changing costs and incomplete information. The discussion on heuristic design highlighted edge cases like non-admissible heuristics, which is something that can quietly break safety assumptions in automotive path planning. Compared to industry practice, the course is more theoretical, but that’s not a weakness. The practical takeaway was learning how to judge whether a search strategy will scale before coding it. It definitely strengthened my technical clarity.

    Jeroen V. Verified
  • Feb 25, 2026

    This course turned out to be more technical than I anticipated. The focus on uninformed vs. informed search and constraint satisfaction was a good refresher, but it also forced a more disciplined way of thinking about problem formulation. From an aerospace angle, the discussions around state-space explosion mapped closely to flight scheduling and onboard fault isolation, where naive search quickly becomes infeasible. On the automotive side, heuristic search felt directly relevant to route planning and certain ADAS decision layers, especially when timing constraints and partial observability creep in. One challenge was translating the clean textbook examples into messy real systems. In industry, search rarely runs in isolation; it sits next to perception noise, timing jitter, and safety constraints. Designing admissible heuristics without oversimplifying those edge cases took some effort. The course doesn’t fully address that gap, but it at least makes you aware of it. A practical takeaway was learning to explicitly define constraints and cost functions early, before jumping into algorithms. That mindset aligns well with how large automotive or aerospace systems are reviewed and validated. Compared to some industry practices, this course is more theoretical, but the system-level implications are clear. I can see this being useful in long-term project work.

    sarath S. · Offshore Construction Engineer Verified
  • Feb 25, 2026

    Initially, I wasn’t sure what to expect from this course. Coming from an automotive background, most AI content I’d seen before stayed abstract, but this one stayed grounded in search mechanics. The breakdown of uninformed search versus informed search, especially BFS, DFS, and A*, helped close a real gap I had around why certain planners blow up in state space. Seeing A* tied to heuristics made it click, since a similar idea shows up in automotive route planning for ADAS path selection. One challenge was wrapping my head around constraint satisfaction problems. Translating the theory into something concrete took effort, especially when thinking about aerospace-style scheduling problems like satellite task allocation or mission sequencing. The lectures moved fast there, and I had to pause and rewatch a few sections. A practical takeaway was learning how to frame engineering problems as state-space searches instead of brute-force logic. That’s already influenced how I think about diagnostic search in vehicle fault trees and even some aerospace mission planning logic I’ve been exposed to. The course stayed simple but not shallow, and the examples felt usable rather than academic. It definitely strengthened my technical clarity.

    kaushal K. Verified

Is this course for you?

You should take this if

  • You work in Aerospace or Automotive
  • You're a Mechanical Engineering professional
  • You prefer self-paced learning you can revisit

You should skip if

  • You need a different specialisation outside Mechanical Engineering
  • You need live interaction with an instructor

Course details

This course provides a comprehensive understanding of fundamental search methods used in Artificial Intelligence (AI) for solving complex and real-world problems. It introduces students to a wide range of search strategies, including uninformed search techniques such as breadth-first and depth-first search, as well as informed methods like heuristic-based search and A* algorithms. Learners will also explore local search techniques used in optimization problems and gain insights into constraint satisfaction problems (CSPs). The course emphasizes both theoretical concepts and practical implementation, helping students understand how different search algorithms work and when to apply them. Through examples and hands-on exercises, participants will develop the ability to model problems effectively and design efficient solution strategies. Additionally, the course highlights performance evaluation, complexity analysis, and optimization of search processes. By the end of the course, students will be equipped with the knowledge and skills to apply AI search methods in domains such as robotics, game development, and decision-making systems.

Source: nptelhrd (Youtube Channel)
Artificial Intelligence by Prof. Deepak Khemani,Department of Computer Science and Engineering,IIT Madras.

Course suitable for

Key topics covered

  • Artificial Intelligence: Introduction

  • Introduction to AI

  • AI Introduction: Philosophy

  • Introduction: Philosophy

  • State Space Search - Introduction

  • Search - DFS and BFS

  • Search DFID

  • Heuristic Search

  • Hill climbing

  • Solution Space Search,Beam Search

  • TSP Greedy Methods

  • Tabu Search

  • Optimization - I (Simulated Annealing)

  • Optimization II (Genetic Algorithms)

  • Population based methods for Optimization

  • Population Based Methods II

  • Branch and Bound, Dijkstra's Algorithm

  • A* Algorithm

  • Admissibility of A*

  • A* Monotone Property, Iterative Deeping A*

  • Recursive Best First Search, Sequence Allignment

  • Pruning the Open and Closed lists

  • Problem Decomposition with Goal Trees

  • AO* Algorithm

  • Game Playing

  • Game Playing- Minimax Search

  • Game Playing - AlphaBeta

  • Game Playing-SSS *

  • Rule Based Systems

  • Inference Engines

  • Rete Algorithm

  • Planning

  • Planning FSSP, BSSP

  • Goal Stack Planning Sussman's Anomaly

  • Non-linear planning

  • Plan Space Planning

  • GraphPlan

  • Constraint Satisfaction Problems

  • CSP Continued

  • Knowlege Based Systems

  • Knowlege Based Systems PL

  • Propositional Logic

  • Resolution Refutation for PL

  • First Order Logic (FOL)

  • Reasoning in FOL

  • Backward Chaining

  • Resolution for FOL

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

48 lectures39 hr 4 min
  1. Artificial Intelligence: Introduction
    56 min
  2. Introduction to AI
    51 min
  3. AI Introduction: Philosophy
    44 min
  4. AI Introduction
    53 min
  5. Introduction: Philosophy
    35 min
  6. State Space Search - Introduction
    54 min
  7. Search - DFS and BFS
    54 min
  8. Search DFID
    51 min
  9. Heuristic Search
    55 min
  10. Hill climbing
    44 min
  11. Solution Space Search,Beam Search
    42 min
  12. TSP Greedy Methods
    52 min
  13. Tabu Search
    38 min
  14. Optimization - I (Simulated Annealing)
    48 min
  15. Optimization II (Genetic Algorithms)
    53 min
  16. Population based methods for Optimization
    51 min
  17. Population Based Methods II
    58 min
  18. Branch and Bound, Dijkstra's Algorithm
    56 min
  19. A* Algorithm
    49 min
  20. Admissibility of A*
    51 min
  21. A* Monotone Property, Iterative Deeping A*
    46 min
  22. Recursive Best First Search, Sequence Allignment
    49 min
  23. Pruning the Open and Closed lists
    50 min
  24. Problem Decomposition with Goal Trees
    48 min
  25. AO* Algorithm
    47 min
  26. Game Playing
    44 min
  27. Game Playing- Minimax Search
    45 min
  28. Game Playing - AlphaBeta
    47 min
  29. Game Playing-SSS *
    50 min
  30. Rule Based Systems
    47 min
  31. Inference Engines
    41 min
  32. Rete Algorithm
    49 min
  33. Planning
    50 min
  34. Planning FSSP, BSSP
    53 min
  35. Goal Stack Planning Sussman's Anomaly
    50 min
  36. Non-linear planning
    45 min
  37. Plan Space Planning
    50 min
  38. GraphPlan
    47 min
  39. Constraint Satisfaction Problems
    52 min
  40. CSP Continued
    49 min
  41. Knowlege Based Systems
    53 min
  42. Knowledge Based Systems PL
    49 min
  43. Propositional Logic
    48 min
  44. Resolution Refutation for PL
    40 min
  45. First Order Logic (FOL)
    52 min
  46. Reasoning in FOL
    49 min
  47. Backward Chaining
    53 min
  48. Resolution for FOL
    46 min

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Questions and Answers

A: That's the most common mistake — assuming tie-breaking doesn't matter. Uniform cost search relies on strict ordering by path cost; once the comparator drifts, you still expand low-cost nodes, just not in a deterministic or safe order. BFS would fail more consistently, negative costs would break everything fast, and a missing closed set hurts runtime before it hurts correctness.

A: That's the most common mistake — confusing admissible with consistent. Admissibility caps overestimation, nothing more. Inconsistency forces reopenings, which doesn't break optimality but absolutely breaks your memory budget. Cycles and averages are red herrings here.

A: That's the most common mistake — jumping back to unit tests when the fault shows up in integration. Weighting errors usually come from where h is combined, not how it's computed. Optimizations and map resolution shift numbers, but they don't systematically mimic weighted A* behavior.

A: That's the most common mistake — blaming the strategy instead of the implementation. Forward checking is sound, but only if pruned domains are correctly restored. Ordering and depth don't explain lost solutions; incorrect pruning does.