quickly search for the fourier series

Descr iption: This M-file plots the truncated Fourier Series representation of a square wave as well as its amplitude and phase spectrum.- Descr iption: This M-file plots the truncated Fourier Series representation of a squa

this code is help you to draw Fourier Series . with this code you can change some variable and explain what change for education.

在(?1/2，1/2)内产生一个均匀分布的随机数N=1000 的离散时间序列，计算 （1）该序列的自相关Rx(m)。 （2）用计算Rx(m) 的离散傅里叶变换(DFT)的方式求出序列{ xn }的功率谱密度。画出自相关与功率谱密度曲线。(In (- 1/2 1/2) discrete time series generated in a uniformly distributed random number N=1000, calculation (1) the autocorrela

傅里叶展开中吉布斯效应，可修改级数，观察曲线(gibbs effect in Fourier series, you can change the Fourier series, and observe how the lines change.)