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  2. Broken diagonal - Wikipedia

    en.wikipedia.org/wiki/Broken_diagonal

    The fact that this square is a pandiagonal magic square can be verified by checking that all of its broken diagonals add up to the same constant: 3+12+14+5 = 34 10+1+7+16 = 34 10+13+7+4 = 34. One way to visualize a broken diagonal is to imagine a "ghost image" of the panmagic square adjacent to the original:

  3. Magic square - Wikipedia

    en.wikipedia.org/wiki/Magic_square

    The sum of any two magic squares of the same order by matrix addition is a magic square. A magic square remains magic when all of its numbers undergo the same linear transformation (i.e., a function of the form f(x) = m x + b). For example, a magic square remains magic when its numbers are multiplied by any constant. [68]

  4. Associative magic square - Wikipedia

    en.wikipedia.org/wiki/Associative_magic_square

    The number zero for n = 6 is an example of a more general phenomenon: associative magic squares do not exist for values of n that are singly even (equal to 2 modulo 4). [3] Every associative magic square of even order forms a singular matrix, but associative magic squares of odd order can be singular or nonsingular. [4]

  5. Siamese method - Wikipedia

    en.wikipedia.org/wiki/Siamese_method

    The Siamese method, or De la Loubère method, is a simple method to construct any size of n-odd magic squares (i.e. number squares in which the sums of all rows, columns and diagonals are identical). The method was brought to France in 1688 by the French mathematician and diplomat Simon de la Loubère , [ 1 ] as he was returning from his 1687 ...

  6. Strachey method for magic squares - Wikipedia

    en.wikipedia.org/wiki/Strachey_method_for_magic...

    As a running example, we consider a 10×10 magic square, where we have divided the square into four quarters. The quarter A contains a magic square of numbers from 1 to 25, B a magic square of numbers from 26 to 50, C a magic square of numbers from 51 to 75, and D a magic square of numbers from 76 to 100.

  7. Conway's LUX method for magic squares - Wikipedia

    en.wikipedia.org/wiki/Conway's_LUX_method_for...

    Start by creating a (2n+1)-by-(2n+1) square array consisting of n+1 rows of Ls, 1 row of Us, and; n-1 rows of Xs, and then exchange the U in the middle with the L above it. Each letter represents a 2x2 block of numbers in the finished square.

  8. Freudenthal magic square - Wikipedia

    en.wikipedia.org/wiki/Freudenthal_magic_square

    The Freudenthal magic square includes all of the exceptional Lie groups apart from G 2, and it provides one possible approach to justify the assertion that "the exceptional Lie groups all exist because of the octonions": G 2 itself is the automorphism group of the octonions (also, it is in many ways like a classical Lie group because it is the ...

  9. Walter Trump - Wikipedia

    en.wikipedia.org/wiki/Walter_Trump

    Walter Trump (born 1953 [1]) is a German mathematician and retired high school teacher.He is known for his work in recreational mathematics.. He has made contributions working on both the square packing problem and the magic tile problem.