matrix : Idioms & Phrases
Index
- active matrix screen
- characteristic root of a square matrix
- correlation matrix
- diagonal matrix
- dot matrix
- dot matrix printer
- eigenvalue of a matrix
- eigenvalue of a square matrix
- identity matrix
- matrix addition
- matrix algebra
- matrix inversion
- matrix multiplication
- matrix operation
- matrix printer
- matrix transposition
- nonsingular matrix
- passive matrix display
- real matrix
- scalar matrix
- singular matrix
- square matrix
- unit matrix
- wire matrix printer
active matrix screen
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noun a type of LCD screen used for some portable computers; there is a separate circuit for each pixel
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characteristic root of a square matrix
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noun (mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinant
eigenvalue; characteristic root of a square matrix; eigenvalue of a matrix.
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correlation matrix
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noun a matrix giving the correlations between all pairs of data sets
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diagonal matrix
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noun a square matrix with all elements not on the main diagonal equal to zero
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dot matrix
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noun a rectangular matrix of dots from which written characters can be formed
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dot matrix printer
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noun a printer that represents each character as a pattern of dots from a dot matrix
dot matrix printer; dot printer.
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eigenvalue of a matrix
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noun (mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinant
eigenvalue; characteristic root of a square matrix; eigenvalue of a matrix.
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eigenvalue of a square matrix
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noun (mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinant
eigenvalue; characteristic root of a square matrix; eigenvalue of a matrix.
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identity matrix
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noun a scalar matrix in which all of the diagonal elements are unity
identity matrix.
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matrix addition
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noun the addition of matrices
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matrix algebra
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noun the part of algebra that deals with the theory of matrices
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matrix inversion
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noun determination of a matrix that when multiplied by the given matrix will yield a unit matrix
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matrix multiplication
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noun the multiplication of matrices
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matrix operation
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noun a mathematical operation involving matrices
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matrix printer
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noun a printer that represents each character as a pattern of dots from a dot matrix
dot matrix printer; dot printer.
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matrix transposition
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noun the interchange of each row of a square matrix with the corresponding column
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nonsingular matrix
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noun a square matrix whose determinant is not zero
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passive matrix display
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noun a type of LCD display used for some portable computers; parallel wires run both vertically and horizontally and pixels are turned on when the wires intersecting at that pixel are both energized
- passive matrix displays are generally inferior to active matrix displays
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real matrix
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noun a matrix whose elements are all real numbers
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scalar matrix
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noun a diagonal matrix in which all of the diagonal elements are equal
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singular matrix
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noun a square matrix whose determinant is zero
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square matrix
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noun a matrix with the same number of rows and columns
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unit matrix
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noun a scalar matrix in which all of the diagonal elements are unity
identity matrix.
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wire matrix printer
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noun an impact printer in which each character is represented by a pattern of dots made by wires or styli
wire printer; stylus printer.