matlab 画viviani曲线+绘制分子结构+最小二乘拟合+求信号包络线+滤波器设计（一次为大家提供5个matlab完整程序，能调试准确的结果仿真图）-matlab draw viviani curve++ least-squares fit to draw the molecular structure of++ request signal envelope filter design

利用最小二乘法进行拟合多元非线性方程，本程序的性能已经达到较高水平，LCMV优化设计阵列处理信号。- Multivariate least squares fitting method of nonlinear equations, The performance of the program has reached a high level, LCMV optimization design array signal processing.