3第三章 MATLAB的数值计算功能是首屈一指的，数值计算结果是大量的离散化数据，人们很难从这些大量离散数据中观察到数据的本质特征。数据的可视化是把离散数据用多种图形方式显示出来，让人们在视觉上直观地看到这些数据的特征。-chapter 3 would teach you how to use commands in the matlab.
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