1、首先打开电脑上的“matlab”软件,主界面如下图所示,箭头处输入代码即可运行。
![](https://iknow-pic.cdn.bcebos.com/6159252dd42a28344755d3774bb5c9ea14cebfdf?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、下面输入代码绘制图像,命令行代码如下图所示。
![](https://iknow-pic.cdn.bcebos.com/0dd7912397dda14421fa89cea2b7d0a20df486df?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、点击enter键之后,即可运行程序绘制图像,正弦函数图像,可以看到x和y的坐标轴刻度。
![](https://iknow-pic.cdn.bcebos.com/9825bc315c6034a8e2115dfddb134954082376df?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、下面使用set(gca,'XTick',0:pi/2:2*pi);set(gca,'XTicklabel',{'0','pi/2','pi','3pi/2','2pi'})命令,调整x坐标轴的刻度,间隔为pi/2。
![](https://iknow-pic.cdn.bcebos.com/9358d109b3de9c8216961cf37c81800a18d843df?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、最后点击enter键之后,程序运行结果如下图所示,x轴的坐标轴刻度发生了变化。
![](https://iknow-pic.cdn.bcebos.com/fc1f4134970a304ef3d14586c1c8a786c8175cdf?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)