cercle.m

来自「用matlab实现利用统计混沌方法解决非线性系统时间序列预测的问题」· M 代码 · 共 12 行

function out = cercle(nbr,ray,pc1,pc2,dim);

if nargin<2,  ray = 1; end;
if nargin<3,  pc1 = 0; end;
if nargin<4,  pc2 = 1; end;
if nargin<5,  dim = 2;
elseif dim<2, dim = 2; end;

out = rand([nbr,dim]);

out(:,1) = ray*cos(2*pi*((pc2-pc1)*out(:,2)+pc1));
out(:,2) = ray*sin(2*pi*((pc2-pc1)*out(:,2)+pc1));