minimax algorithm

A brief description of the minimax algorithm with an example from Russell and Norvig’s Artificial Intelligence, a Modern Approach.
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20 Responses

  1. s1234 says:


  2. Thomas Burleson says:

    I am taking the Udacity AI course… and the MiniMax algorithm continued to escape my mental grasp… UNTIL I saw your video. The video at 14:56 is GOLD. Thank you so much.

  3. spiedey8 says:

    Good video man, thank you! RIGHT?

  4. utseb1 says:

    how to apply the minimax algorithm to the card game "Beat the Buzzard"?

  5. Basma Mohamed says:

    Thank youuuuu !

  6. Thilina Ashen Gamage says:

    Awesome! Simple and great explanation 🙂

  7. UrinatingTheCrowd says:

    All i could say is.. Thank you very much !

  8. Ramooosh1 says:

    thank u ! is there a A * algorithim description?

  9. pebre79 says:

    Oh my god this was the best explanation of MiniMax I've seen so far. I loved how you gave the foundational terminology first such as utility, state, and actions. The piecewise-function notation you used to describe the recursive aspect of minimax was gold, pure gold. If there is one criticism I had it would be that you did not explain why certain utility values are infinity. I've seen utilities just be +1 , -1 and 0.

    Why use negative infinity and +infinity? What situations would that be apppropriate to use +/- infinity?

  10. ivohhh says:

    These AI videos are very interesting. You seem knowledgeable of things I want do as a programmer and I actually did implementation of minimax based on this video. Where did you stumble upon all these things?

  11. xXxBladeStormxXx says:

    Excellent explanation!

  12. Luis Cosio says:

    Great video, thank you so much!

  13. nitin kanwar says:

    Great explanation !

  14. SAMRAT KHALID says:


  15. Alexandru Dinu says:

    Thank you for this video!

  16. MrStealfos says:

    This really confuses me because i've just learned about the minimax and i feel like you're doing the opposite.
    Minimax is the worst outcome of all the best options and you took all the lowest options and from these you took the highest one which is in my opinion minimax, no?

  17. Oghenerukevwe Kofi says:

    thank you so much for this amazing video Francisco Lacobelli

  18. Suchy Biceps ʕ•ᴥ•ʔ says:

    kto od wiliego

  19. Mohamed Gharbi says:

    Great video Sir ! Thank you

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