Mercurial > octave-nkf
view examples/@polynomial/subsref.m @ 18549:43cc202335dc stable release-3-8-1
Version 3.8.1 released.
* configure.ac (OCTAVE_VERSION): Now 3.8.1.
(OCTAVE_MINOR_VERSION): Now 1.
(OCTAVE_RELEASE_DATE): Set to 2014-03-06.
Update copyright date for startup message.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 06 Mar 2014 14:40:35 -0500 |
parents | bf6da2fbfa4e |
children |
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function b = subsref (a, s) if (isempty (s)) error ("polynomial: missing index"); endif switch (s(1).type) case "()" ind = s(1).subs; if (numel (ind) != 1) error ("polynomial: need exactly one index"); else b = polyval (fliplr (a.poly), ind{1}); endif case "{}" ind = s(1).subs; if (numel (ind) != 1) error ("polynomial: need exactly one index"); else if (isnumeric (ind{1})) b = a.poly(ind{1}+1); else b = a.poly(ind{1}); endif endif case "." fld = s.subs; if (strcmp (fld, "poly")) b = a.poly; else error ("@polynomial/subsref: invalid property \"%s\"", fld); endif otherwise error ("invalid subscript type"); endswitch if (numel (s) > 1) b = subsref (b, s(2:end)); endif endfunction