如何在Matalb中使负边向上指向纵坐标? [英] How can I get the negative side to ppoint upward on an ordinate in Matalb?

问题描述

可能重复:
如何操作我可以在MATLAB中编辑图像的轴以反转方向吗?

Possible Duplicate:
How do I edit the axes of an image in MATLAB to reverse the direction?

对于工程图，我需要将y坐标点的负侧向上.简而言之，我需要反转y轴.我该怎么办?

For an engineering plot I need to have the negative side of the y-ordinate point upward. Simply speaking, I need to invert the y-axis. How can I do that?

推荐答案

可以通过编程方式调用

set(gca,'YDir','reverse')

或者，您可以在图形窗口中选择箭头，双击轴，然后在图编辑器中单击y轴的反向"复选框.

Alternatively, you can select the arrow in the figure window, double-click on the axes, and click the 'reverse' checkbox in the plot editor for the y-axis.

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