程序1主要是利用两种不同的函数来绘制Peaks曲线，具有一定的借鉴意义。程序2、3还实现了三维绘图的功能和向量场的绘制。-Procedure 1 is mainly using two different functions to draw Peaks curve has a certain significance as reference. 2,3-D program also achieved drawing functions and draw the vector field.

如何用matlab绘制二维及三维图形及相关m文件-How to draw two-dimensional and three-dimensional graphics and related m files with matlab

matlab频谱三维图，时间频率幅值。频谱分析三维图，计算机绘制的三维频谱以频率为横坐标，以振幅为纵坐标，以时间为斜轴，在视觉上是一种立体频谱。-Matlab three dimensional spectrum diagram, time frequency amplitude. Spectrum analysis of three-dimensional map, 3D computer generated by frequency spectrum as the abscissa, the