picture1bfgs

使用统计中值法，获取背景图像。简单易懂，希望对大家有帮助。(Using the statistical value method, to obtain the background image. Easy to understand, we hope to help.)

用数组产生盲节点和信标节点，比循环产生好许多(Produce blind node and beacon node with arrays, produce much better than the cycle)

求复杂网络中的度的介数，输入网络的邻接矩阵，对分析社交网络的拓扑性质很重要(Find the degree of complexity of the network betweenness, enter the network adjacency matrix for analyzing social networks are important topological properties)

AC-DC-AC双pwm逆变器的Matlab/Simulink仿真源程序。包括两个电路：一个是50Hz三相 AC(PWM整流)->DC->50Hz三相AC(PWM逆变),驱动三相对称电阻负载；一个是60Hz 三相AC(全波整流)->DC->50Hz三相AC（PWM逆变），驱动一个永磁同步电动机。（本源码基于王军(xiaohongchen@163.com)上载的double_pwm_inverter.mdl改进而来，适用于matlab7.3.0(R2006)版本）(AC-DC-AC inverter pwm dual Matlab/Simulink simulation source. Includes two circuits: one is the 50Hz three-phase AC (PWM rectifier)-)

在同一平面中的两个窗口分别画出心形线和马鞍面。 (In the same plane in the two windows were painted heart-shaped line and the saddle surface.)

Fotran95接口用于MATLAB API 的设计中，比较好用。(Fortran 95 Interface to MATLAB API )

说明：  一个用MATLAB/SIMULINK做的四级倒立摆的控制系统模型(a MATLAB/Simulink do four inverted pendulum control system model)

matlab在工程数学中的应用，基础教程(matlab in Maths Engierring)

一种基于模糊控制的PID算法，入门级别同学可以下载学习(Based on fuzzy PID control algorithm, the entry-level students can download learning)

利用自然梯度算法，构成不同频率的调制信号，包含位置式PID算法、积分分离式PID，一些自适应信号处理的算法，包括最小二乘法、SVM、神经网络、1_k近邻法,使用起来非常方便，合成孔径雷达（SAR)目标成像仿真。( Use of natural gradient algorithm, Constituting the modulated signals of different frequencies, It contains positional PID algorithm, integral separate PID, Some adaptive signal processing algorithms, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Very convenient to use, Synthetic Aperture Radar (SAR) imaging simulation target.)