circle混沌映射MATLAB初始化代码
时间: 2024-11-20 11:35:13 浏览: 48
Circle Chaotic Map (也称为Logistic Map) 是一个经典的非线性动态系统,常用于教学和研究混沌理论。在MATLAB中,你可以使用以下基本步骤来初始化这个系统的代码:
```matlab
% 定义混沌地图函数
f = @(x) r * x * (1 - x); % Logistic Map,r是参数
% 初始条件设置
x0 = 0.5; % 首个点的值
r_values = [3.57, 3.82]; % 混沌区的不同r值,例如这里取两个典型值
% 初始化向量存储结果
x_vec = zeros(1, length(r_values)); % 结果向量
time_series = zeros(length(r_values), 1000); % 时间序列矩阵
% 循环处理每个r值
for i = 1:length(r_values)
x = x0;
for t = 1:1000 % 迭代次数
x = f(x);
time_series(i, t) = x; % 存储每一步的结果
end
x_vec(i) = mean(time_series(i,:)); % 计算平均值作为结果
end
% 可能需要绘制图形
figure;
hold on;
for i = 1:length(r_values)
plot(time_series(i,:), 'LineWidth', 1, 'Marker', '.', 'MarkerSize', 4, 'DisplayName', ['r = ', num2str(r_values(i))]);
end
hold off;
legend('location', 'best');
xlabel('迭代步数');
ylabel('状态值');
%
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