HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 325
LQ Factorization. Factors an
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hp40g+.book Page 11 Friday, December 9, 2005 1:03 AM COND CROSS DET DOT EIGENVAL EIGENVV IDENMAT INVERSE LQ LSQ Matrices Condition Number. Finds the 1-norm (column norm) of a square matrix. COND (matrix) Cross Product of vector1 with vector2. CROSS(vector1, vector2) Determinant of a square matrix. DET (matrix) Dot Product of two arrays, matrix1 matrix2. DOT(matrix1, matrix2) Displays the eigenvalues in vector form for matrix. EIGENVAL (matrix) Eigenvectors and Eigenvalues for a square matrix. Displays a list of two arrays. The first contains the eigenvectors and the second contains the eigenvalues. EIGENVV (matrix) Identity matrix. Creates a square matrix of dimension size × size whose diagonal elements are 1 and offdiagonal elements are zero. IDENMAT (size) Inverts a square matrix (real or complex). INVERSE (matrix) LQ Factorization. Factors an m × n matrix into three matrices: {[[ m × n lowertrapezoidal]],[[ n × n orthogonal]], [[ m × m permutation]]}. LQ (matrix) Least Squares. Displays the minimum norm least squares matrix (or vector). LSQ(matrix1, matrix2) 18-11