用matlab编写找到向量维度的波峰波谷的值.-Prepared using matlab to find vector value of the dimension of the peaks and valleys.

本程序很好地实现了下列功能： 寻找波形的波峰、波谷，并显示波峰、波谷的坐标 -This procedure is well implements the following features: Find crest wave troughs and show peaks and valleys coordinates