polynom.asv

来自「数字信号处理的MATLAB实现」· ASV 代码 · 共 13 行

function p = polynom(a)
%POLYNOM多项式类构造函数
%   p = POLYNOM(v) 创建creates a polynomial object from the vector v,
%   containing the coefficients of descending powers of x.
if nargin == 0
   p.c = [];
   p = class(p,'polynom');
elseif isa(a,'polynom')
   p = a;
else
   p.c = a(:).';
   p = class(p,'polynom');
end