Meaning | A matrix with the same number of rows and columns. |
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Parts | 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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Narrower | Latin square | A square matrix of n rows and columns |
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determinant | A square matrix used to solve simultaneous equations |

diagonal matrix | A square matrix with all elements not on the main diagonal equal to zero |

magic square | A square matrix of n rows and columns |

nonsingular matrix | A square matrix whose determinant is not zero |

singular matrix | A square matrix whose determinant is zero |

Broader | matrix | (mathematics) a rectangular array of quantities or expressions set out by rows and columns |
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Spanish | matriz cuadrada |
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