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issymetric.m; Overhaul function and expand to check skew-symmetry (bug #53556). * issymmetric.m: Rewrite docstring to discuss second argument SKEWOPT which can be "skew" or "nonskew". Add background material on what symmetric and skew-symmetric mean. Redo input parsing. Use any() rather than nnz() for a potential savings of 0-99% on execution time depending on characteristics of matrix. Add more BIST tests.
author Rik <rik@octave.org>
date Wed, 04 Apr 2018 13:28:12 +0200
parents 59fafbc9fbf7
children 1eef836d8d06
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To cite GNU Octave in publications use:

  John W. Eaton, David Bateman, Søren Hauberg, Rik Wehbring (2018).
  GNU Octave version 4.2.2 manual: a high-level interactive language for
  numerical computations.
  URL https://www.gnu.org/software/octave/doc/v4.2.2/

A BibTeX entry for LaTeX users is:

  @manual{,
    title     = {{GNU Octave} version 4.2.2 manual: a high-level interactive language for numerical computations},
    author    = {John W. Eaton and David Bateman and S{\o}ren Hauberg and Rik Wehbring},
    year      = {2018},
    url       = {https://www.gnu.org/software/octave/doc/v4.2.2/},
  }

We have invested a lot of time and effort in creating GNU Octave, please cite it
when using it.  See also `citation pkgname' for citing Octave packages.