问:如何设置坐标轴的步长?答:set(gca,'xtick',[xmin:step:xmax])set(gca,'ytick',[ymin:step:ymax])注意:axis([xmin xmax ymin ymax])仅仅设定了横纵坐标的范围,而没有说明Matlab画图中标示的点.
plot([1:3],[1:3])set(gca,'xtick',[1:3])set(gca,'xticklabel',{'张三','李四','王二'})
