matlab手动指定坐标轴位置和标签

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本文介绍了两种在Matlab中设置轴刻度的方法。方法一使用set(gca,'XTick',...)函数来设定从-3π到3π的刻度位置及对应标签；方法二则通过获取当前坐标轴对象ax=gca并设置其XTickLabel属性实现类似功能。适用于不同版本的Matlab。

方法一：

set(gca, 'XTick',[-3*pi -2*pi -pi 0 pi 2*pi 3*pi], 'XTickLabel', {'-3\pi','-2\pi','-\pi','0','\pi','2\pi','3\pi'});

方法二：

ax = gca;
ax.XTickLabel={'-8\pi','-2\pi','-\pi','0','\pi','2\pi','3\pi'};

For releases prior to R2016b, set the tick values and labels using the XTick, XTickLabel, YTick, and YTickLabel properties of the axes object. For example, assign the axes object to a variable, such as ax = gca. Then set the XTick property using dot notation, such as ax.XTick = [-3*pi -2*pi -pi 0 pi 2*pi 3*pi]. For releases prior to R2014b, use the set function to set the property instead.

参考：
[1] https://cn.mathworks.com/matlabcentral/answers/92565-how-do-i-control-axis-tick-labels-limits-and-axes-tick-locations
[2] https://cn.mathworks.com/help/matlab/creating_plots/change-tick-marks-and-tick-labels-of-graph-1.html
[3] https://cn.mathworks.com/matlabcentral/answers/182505-how-to-rotate-xaxis-labels-bar-graph