matrix_analyze
matrix_analyze,
a MATLAB code which
accepts a matrix and reports on whether it has various properties.
Licensing:
The computer code and data files made available on this web page
are distributed under
the MIT license
Languages:
matrix_analyze is available in
a MATLAB version.
Related Programs:
matrix_analyze_test
r8lib,
a MATLAB code which
contains many utility routines
using double precision real (r8) arithmetic.
Source Code:
-
i4_modp.m,
returns the nonnegative remainder of integer division;
-
r8mat_analyze.m,
analyzes an R8MAT.
-
r8mat_cholesky_factor.m,
computes the Cholesky factor L*L' of a symmetric positive definite R8MAT;
-
r8mat_identity.m,
sets an R8MAT to the MxN identity matrix;
-
r8mat_is_adjacency.m,
is TRUE if an R8MAT is an adjacency matrix.
-
r8mat_is_anticirculant.m,
is TRUE if an R8MAT is an anticirculant matrix.
-
r8mat_is_antipersymmetric.m,
is TRUE if an R8MAT is an antipersymmetric matrix.
-
r8mat_is_antisymmetric.m,
is TRUE if an R8MAT is an antisymmetric matrix.
-
r8mat_is_banded_lower.m,
is TRUE if an R8MAT is a lower banded matrix.
-
r8mat_is_banded_upper.m,
is TRUE if an R8MAT is an upper banded matrix.
-
r8mat_is_centrosymmetric.m,
is TRUE if an R8MAT is a centrosymmetric matrix.
-
r8mat_is_circulant.m,
is TRUE if an R8MAT is a circulant matrix.
-
r8mat_is_cyclic_tridiagonal.m,
is TRUE if an R8MAT is a cyclic tridiagonal matrix.
-
r8mat_is_diag2.m,
returns the number of nonzero diagonals.
-
r8mat_is_diagonally_dominant.m,
is TRUE if an R8MAT is diagonally dominant.
-
r8mat_is_diagonally_dominant_column.m,
is TRUE if an R8MAT is column diagonally dominant.
-
r8mat_is_diagonally_dominant_row.m,
is TRUE if an R8MAT is row diagonally dominant.
-
r8mat_is_hankel.m,
is TRUE if an R8MAT is a Hankel matrix.
-
r8mat_is_identity.m,
determines if a matrix is the identity matrix.
-
r8mat_is_integer.m,
is TRUE if an R8MAT is an integer matrix.
-
r8mat_is_irreducible.m,
is TRUE if an R8MAT is an irreducible matrix.
-
r8mat_is_l.m,
is TRUE if an R8MAT is an L matrix.
-
r8mat_is_m.m,
is TRUE if an R8MAT is an M matrix.
-
r8mat_is_negative.m,
is TRUE if an R8MAT is a negative matrix.
-
r8mat_is_normal.m,
is TRUE if an R8MAT is a normal matrix.
-
r8mat_is_orthogonal.m,
is TRUE if an R8MAT is orthogonal.
-
r8mat_is_orthogonal_column.m,
is TRUE if an R8MAT is column orthogonal.
-
r8mat_is_orthogonal_row.m,
is TRUE if an R8MAT is row orthogonal.
-
r8mat_is_permutation.m,
is TRUE if an R8MAT is a permutation matrix.
-
r8mat_is_persymmetric.m,
is TRUE if an R8MAT is a persymmetric matrix.
-
r8mat_is_positive.m,
is TRUE if an R8MAT is a positive matrix.
-
r8mat_is_propa.m,
is TRUE if an R8MAT is a property A matrix.
-
r8mat_is_ref.m,
is TRUE if an R8MAT is a row echelon form matrix.
-
r8mat_is_scalar.m,
is TRUE if an R8MAT is a scalar matrix.
-
r8mat_is_scalar_antidiagonal.m,
is TRUE if an R8MAT is a scalar antidiagonal matrix.
-
r8mat_is_scalar_column.m,
is TRUE if an R8MAT is a scalar column matrix.
-
r8mat_is_scalar_diagonal.m,
is TRUE if an R8MAT is a scalar diagonal matrix.
-
r8mat_is_scalar_row.m,
is TRUE if an R8MAT is a scalar row matrix.
-
r8mat_is_sparse.m,
returns the relative sparseness of a matrix.
-
r8mat_is_spd.m,
is TRUE if an R8MAT is a symmetric positive definite matrix.
-
r8mat_is_square.m,
determines if an R8MAT is square.
-
r8mat_is_stochastic.m,
is TRUE if an R8MAT is a stochastic matrix.
-
r8mat_is_sum.m,
is TRUE if an R8MAT has constant row or column sums.
-
r8mat_is_sum_column.m,
is TRUE if an R8MAT has constant column sums.
-
r8mat_is_sum_magic.m,
is TRUE if an R8MAT is a magic matrix.
-
r8mat_is_sum_magic_weak.m,
is TRUE if an R8MAT is a weakly magic matrix.
-
r8mat_is_sum_row.m,
is TRUE if an R8MAT has constant row sums.
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r8mat_is_symmetric.m,
determines if an R8MAT is symmetric.
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r8mat_is_toeplitz.m,
is TRUE if an R8MAT is a Toeplitz matrix.
-
r8mat_is_tournament.m,
is TRUE if an R8MAT is a tournament matrix.
-
r8mat_is_transition.m,
determines if a matrix is a transition matrix.
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r8mat_is_triangular.m,
is TRUE if an R8MAT is a triangular matrix.
-
r8mat_is_triangular_lower.m,
is TRUE if an R8MAT is a lower triangular matrix.
-
r8mat_is_triangular_upper.m,
is TRUE if an R8MAT is an upper triangular matrix.
-
r8mat_is_unit_column.m,
is TRUE if an R8MAT has columns of unit norm.
-
r8mat_is_unit_row.m,
is TRUE if an R8MAT has rows of unit norm.
-
r8mat_is_zero_one.m,
is TRUE if an R8MAT is a zero-one matrix.
-
r8mat_print.m,
prints an R8MAT;
-
r8mat_print_some.m,
prints some of an R8MAT;
-
r8vec_norm_l2.m,
returns the L2 norm of an R8VEC.
Last revised on 14 December 2020.