matlab plot
时间: 2023-10-13 14:15:43 浏览: 109
Matlab中的plot函数用于绘制二维图形。下面是一个简单的例子:
```matlab
x = linspace(0, 2*pi, 100); % 生成0到2π之间100个等间距的数
y = sin(x); % 计算sin(x)
plot(x, y); % 绘制sin(x)的图像
```
这段代码将绘制出sin(x)的图像。可以通过修改x和y的值来绘制其他函数的图像。还可以使用plot函数的各种选项来设置线条颜色、线型、标签等。例如:
```matlab
x = linspace(0, 2*pi, 100);
y = sin(x);
plot(x, y, 'r--', 'LineWidth', 2, 'DisplayName', 'sin(x)');
legend; % 显示图例
```
这段代码将绘制出红色虚线的sin(x)图像,线条宽度为2,图例中显示"sin(x)"。
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