matlab画图标记
时间: 2023-08-26 19:17:07 浏览: 62
在MATLAB中,可以使用xlabel函数和ylabel函数来进行图像的标记。例如,如果想要给横轴标记为"The i-th singular value",可以使用以下代码:
xlabel('The i-th singular value')
如果想要给纵轴标记为"Magnitude (log)",可以使用以下代码:
ylabel('Magnitude (log)')
另外,如果需要在图例中标记不同的数据组,可以使用legend函数。例如,要标记三条曲线分别为"sin(x)","cos(x)","sin(3x)cos(x)",可以使用以下代码:
x = 0:0.02*pi:2*pi;
y1=sin(x);
y2=cos(x);
y3=sin(3*x).*cos(x);
plot(x,[y1;y2;y3])
legend('sin(x)','cos(x)','sin(3x)cos(x)')
这样就可以在图像中显示相应的标记了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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