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  2. AI learns to solve a Rubik's Cube in 1.2 seconds - Engadget

    www.engadget.com/2019-07-17-ai-rubiks-cube...

    Researchers at the University of California, Irvine have created an artificial intelligence system that can solve a Rubik's Cube in an average of 1.2 seconds in about 20 moves. That's two seconds ...

  3. 1 + 2 + 3 + 4 + ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%2B_2_%2B_3_%2B_4_%2B_%E...

    The partial sums of the series 1 + 2 + 3 + 4 + 5 + 6 + ⋯ are 1, 3, 6, 10, 15, etc.The nth partial sum is given by a simple formula: = = (+). This equation was known ...

  4. Rubik's Cube - Wikipedia

    en.wikipedia.org/wiki/Rubik's_Cube

    The 2×2×2 (Pocket/Mini Cube), the standard 3×3×3 cube, the 4×4×4 (Rubik's Revenge/Master Cube), and the 5×5×5 (Professor's Cube) are the most well known, as they are all available under the official Rubik's brand. The WCA sanctions speedsolving competitions for cube orders up to 7×7×7.

  5. System of polynomial equations - Wikipedia

    en.wikipedia.org/wiki/System_of_polynomial_equations

    Thus solving a polynomial system over a number field is reduced to solving another system over the rational numbers. For example, if a system contains , a system over the rational numbers is obtained by adding the equation r 2 22 = 0 and replacing by r 2 in the other equations.

  6. XY problem - Wikipedia

    en.wikipedia.org/wiki/XY_problem

    A: If what you want is to do Y, you should ask that question without pre-supposing the use of a method that may not be appropriate. Questions of this form often indicate a person who is not merely ignorant about X, but confused about what problem Y they are solving and too fixated on the details of their particular situation.

  7. Guess 2/3 of the average - Wikipedia

    en.wikipedia.org/wiki/Guess_2/3_of_the_average

    Intuitively, guessing any number higher than 2/3 of what you expect others to guess on average cannot be part of a Nash equilibrium. The highest possible average that would occur if everyone guessed 100 is 66+2/3. Therefore, choosing a number that lies above ⁠66 + 2 / 3 ⁠ is strictly dominated for every player. These guesses can thus be ...

  8. How Do You Solve a Problem Like Maria? (Canadian TV series)

    en.wikipedia.org/wiki/How_Do_You_Solve_a_Problem...

    How Do You Solve a Problem Like Maria? was a 2008 Canadian reality competition television series derived from a 2006 series of the same name broadcast on BBC One in the United Kingdom.

  9. How Do You Solve a Problem Like Roberta? - Wikipedia

    en.wikipedia.org/wiki/How_Do_You_Solve_a_Problem...

    [3] Family Guy dropped from last week’s 4.7 rating to 3.7 but still managing to hold its own with 7 million viewers, taking out first place followed by The Simpsons with 6.4 million (3.1, down from last week’s impressive 5.7 rating). Next in line was The Cleveland Show, drawing in 5.5 million viewers (a