Mercurial > hg > octave-nkf
annotate examples/code/@polynomial/polynomial_superiorto.m @ 20830:b65888ec820e draft default tip gccjit
dmalcom gcc jit import
author | Stefan Mahr <dac922@gmx.de> |
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date | Fri, 27 Feb 2015 16:59:36 +0100 |
parents | c8240a60dd01 |
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1 ## -*- texinfo -*- |
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2 ## @deftypefn {Function File} {} polynomial () |
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3 ## @deftypefnx {Function File} {} polynomial (@var{a}) |
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4 ## Create a polynomial object representing the polynomial |
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5 ## |
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6 ## @example |
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7 ## a0 + a1 * x + a2 * x^2 + @dots{} + an * x^n |
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8 ## @end example |
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9 ## |
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10 ## @noindent |
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11 ## from a vector of coefficients [a0 a1 a2 @dots{} an]. |
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12 ## @end deftypefn |
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13 |
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14 function p = polynomial (a) |
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15 if (nargin == 0) |
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16 p.poly = [0]; |
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17 p = class (p, "polynomial"); |
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18 elseif (nargin == 1) |
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19 if (strcmp (class (a), "polynomial")) |
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20 p = a; |
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21 elseif (isvector (a) && isreal (a)) |
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22 p.poly = a(:).'; |
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23 p = class (p, "polynomial"); |
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24 else |
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25 error ("polynomial: expecting real vector"); |
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26 endif |
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27 else |
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28 print_usage (); |
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29 endif |
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30 superiorto ("double"); |
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31 endfunction |