在Matlab中用所需长度的x轴绘制图形

Question

我想在matlab中绘制图表，手上有两个从市场上获得的原始数据，例如在0.25,0.5,0.75,1,2,3和4年，产品A的对应值为[0.9998,0.997,0.887 ，[0.779,0.661,0.442,0.345]和B分别为[0.878,0.765,0.662,0.594,0.436,0.304,0.211]。 当我使用

plot([0.25,0.5,0.75,1,2,3,4],[0.9998,0.997,0.887,0.779,0.661,0.442,0.345],'k+',[0.25,0.5,0.75,1,2,3,4],[0.878,0.765,0.662,0.594,0.436,0.304,0.211],'b*')

但是，生成的图形给出了4条线。 该如何解决该问题？

Answer 1

您需要在修改XTick之前创建一个图形处理程序，使用以下命令

figure
ax = gca ;
plot([0.25,0.5,0.75,1,2,3,4],[0.9998,0.997,0.887,0.779,0.661,0.442,0.345],'k+',[0.25,0.5,0.75,1,2,3,4],[0.878,0.765,0.662,0.594,0.436,0.304,0.211],'b*')
ax.XTick = [0 0.25 0.5 0.75 1 2 3 4];