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annotate examples/code/@polynomial/plot.m @ 20794:e5986cba4ca8

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new octave_value::cell_value method with optional error message * ov.h, ov.cc (octave_value::cell_value): New method. * ov-base.h, ov-base.cc (octave_base_value::cell_value): New default method. * ov-cell.h, ov-cell.cc (octave_cell::cell_value): New method.
author John W. Eaton <jwe@octave.org>
date Fri, 09 Oct 2015 14:41:49 -0400
parents c8240a60dd01
children
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1b48b209a8d6 maint: Use Octave coding conventions for coddling parentheses in examples directory
Rik <octave@nomad.inbox5.com>
parents: 8256
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1 function h = plot (p, varargin)
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David Bateman <dbateman@free.fr>
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2 n = 128;
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David Bateman <dbateman@free.fr>
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3 rmax = max (abs (roots (p.poly)));
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4 x = [0 : (n - 1)] / (n - 1) * 2.2 * rmax - 1.1 * rmax;
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5 if (nargout > 0)
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Rik <octave@nomad.inbox5.com>
parents: 8256
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6 h = plot (x, p(x), varargin{:});
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7 else
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parents: 8256
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8 plot (x, p(x), varargin{:});
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9 endif
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Rik <octave@nomad.inbox5.com>
parents: 8256
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10 endfunction