square matrix

Noun
  1. A matrix with the same number of rows and columns (synset 108285006)
    is a type of: matrix - (mathematics) a rectangular array of quantities or expressions set out by rows and columns; treated as a single element and manipulated according to rules
    subtypes:
    • diagonal matrix - a square matrix with all elements not on the main diagonal equal to zero
    • determinant - a square matrix used to solve simultaneous equations
    • latin square - a square matrix of n rows and columns; cells contain n different symbols so arranged that no symbol occurs more than once in any row or column
    • magic square - a square matrix of n rows and columns; the first n^2 integers are arranged in the cells of the matrix in such a way that the sum of any row or column or diagonal is the same
    • nonsingular matrix - a square matrix whose determinant is not zero
    • singular matrix - a square matrix whose determinant is zero
    has: diagonal - (mathematics) a set of entries in a square matrix running diagonally either from the upper left to lower right entry or running from the upper right to lower left entry

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