4点和16点序列的频谱以及二元非线性方程组的求法，大家可以参考哈，有不足之处请指教-4 and 16 sequence spectrum，You can refer to inadequacies please advise

一组matlab求解非线性方程组的程序，适用于初学者-A group of solving nonlinear equations matlab program for beginners

这是用Fortran语言编写的高斯消元法，解非线性方程组，可用于解决各种非线性方程组-This is the Fortran language with the Gaussian elimination method, solve nonlinear equations can be used to solve various nonlinear equations