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用matlab的小程序，希望对大家有所帮助！有限元结构动力学分析与工程应用. the code of <FEM ON DRYNIMIC analysys of enegineering >

说明：  IIR滤波器设计 在设计一个IIR数字滤波器时，我们根据指标先写出模拟滤波器的公式，然后通过一定的变换，将模拟滤波器的公式转换成数字滤波器的公式(IIR filter design in the design of an IIR digital filter, we first write the analog filter based on index formula, and then through a certain transformation, the analog filters into digital filters equation formula)

MAtlab code for finding transfer function

对噪声进行处理的程序，形成时域和频域的图形(Procedures for handling the noise, the formation of the graphics of the time domain and frequency domain)

MATLAB神经网络30个案例分析,比较适合学习神经网络或者数学建模的童鞋。(MATLAB Neural Network)

基于最小二乘算法（RLS)的回波消除，直接可以运行(Based on least squares algorithm (RLS) of echo cancellation can be run directly)

Keypress operated interactive peak detector function.

locked system with digital code

实现人脸特征定位及人脸描述符提取功能。很好很强大。( To get started, run "demo". This detects faces in the example image, loading cached detections from files if available, localizes the facial features and extracts descriptors for each face.)

Sequentielle Quadratische Optimierung fuer f(x) = Min!, g(x) >= 0, h(x) = 0 unter Regularitaetsbedingung FUNKTIONEN: gp.m, gp_g.m, restor.m, sigini.m name_f.m: Zielfunktion/Gradient name_g.m: Ungleichunen/Gradienten name_h.m: Gleichungen/Gradienten INPUT: name Name des Problems x zulaessiger Punkt als Startvektor OUTPUT: (x,y,z) Kuhn-Tucker-Punkt f = f(x) Funktionswert errorcode = 1: Max. Schrittzahl in Iteration errorcode = 2: Max. Schrittzahl in Backtracking errorcode = 3: x nicht zulaessig