plotmatrix命令简介

使用plotmatrix命令绘制多维散点图，便于观察数据的规律特性。

plotmatrix – Scatter plot matrix

This MATLAB function creates a matrix of subaxes containing scatter plots of the
columns of X against the columns of Y.

示例代码：

randn(‘seed’,1111); X=rand(100,3); plotmatrix(X)

绘图结果：