plotpoly.m

来自「老外写的小波变换的工具箱」· M 代码 · 共 26 行

function PlotPoly(P, range, color)

if nargin == 2, color = 'b'; end
a = range(1);
b = range(2);

x = a:0.01:b;

L = length(P);
y = zeros(size(x));
for i=((1:L)-1),
  y = y + P(i+1) * x.^(L-i-1);
end

plot(x, y, color)    
    
    
 
 
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