MATLAB编写函数文件求半径为r的圆的面积和周长
时间: 2024-10-08 20:04:03 浏览: 65
在MATLAB中,你可以创建一个函数文件来计算给定半径r的圆的面积(A)和周长(C)。首先,你需要定义一个名为`circle_properties`的函数,接受半径作为输入参数。以下是创建并使用这个函数的基本步骤:
```matlab
% 创建一个名为 circle_properties 的函数
function [area, circumference] = circle_properties(radius)
% 计算面积
area = pi * radius^2;
% 计算周长
circumference = 2 * pi * radius;
% 返回结果数组
area_result = arrayfun(@(x) x, area);
circumference_result = arrayfun(@(x) x, circumference);
[area, circumference] = deal(area_result, circumference_result); % 使用 deal 函数打包结果
end
% 调用函数并传入半径值
r = 5; % 假设半径为5单位
[area, circumference] = circle_properties(r);
% 打印结果
fprintf('The area of the circle with radius %.2f is %.2f square units.\n', r, area);
fprintf('The circumference of the circle with radius %.2f is %.2f units.\n', r, circumference);
%
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