diag SciMax Toolbox diagmatrix

SciMax Toolbox >> diag_matrix

diag_matrix

Maxima Function

Calling Sequence

diag_matrix (d_1, d_2,...,d_n)

Description

Return a diagonal matrix with diagonal entries d_1, d_2,...,d_n. When the diagonal entries are matrices, the zero entries of the returned matrix are zero matrices of the appropriate size; for example:

(%i1) diag_matrix(diag_matrix(1,2),diag_matrix(3,4));
                            [ [ 1  0 ]  [ 0  0 ] ]
                            [ [      ]  [      ] ]
                            [ [ 0  2 ]  [ 0  0 ] ]
(%o1)                       [                    ]
                            [ [ 0  0 ]  [ 3  0 ] ]
                            [ [      ]  [      ] ]
                            [ [ 0  0 ]  [ 0  4 ] ]
(%i2) diag_matrix(p,q);
                                   [ p  0 ]
(%o2)                              [      ]
                                   [ 0  q ]
diag SciMax Toolbox diagmatrix