Definition/Meaning | Word/Phrase |
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(mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinant | characteristic root of a square matrix , eigenvalue , eigenvalue of a matrix , eigenvalue of a square matrix |

matrix giving the correlations between all pairs of data sets | correlation matrix |

table or matrix of all contingencies and the actions to be taken for each | decision table |

square matrix used to solve simultaneous equations | determinant |

(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 | diagonal |

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

changing a square matrix to diagonal form (with all non-zero elements on the principal diagonal) | diagonalisation , diagonalization |

rectangular matrix of dots from which written characters can be formed | dot matrix |

printer that represents each character as a pattern of dots from a dot matrix | dot matrix printer , dot printer , matrix printer |

type of passive matrix display in which the top and bottom half of the screen are refreshed simultaneously | dual scan display |

any of several methods for reducing correlational data to a smaller number of dimensions or factors; beginning with a correlation matrix a small number of components or factors are extracted that are regarded as the basic variable that account for the int | factor analysis |

matrix of fine-grained crystalline material in which larger crystals are embedded | groundmass |

scalar matrix in which all of the diagonal elements are unity | identity matrix , unit matrix |

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 | Latin square |

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 | magic square |

diagonal of a square matrix running from the upper left entry to the lower right entry | main diagonal , principal diagonal |

determination of a matrix that when multiplied by the given matrix will yield a unit matrix | matrix inversion |

interchange of each row of a square matrix with the corresponding column | matrix transposition |

casting matrix | mold |

cast iron consisting of graphite in a matrix of austenite | Ni-resist , Ni-resist iron |

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