04470074

给定一个普通多项式p(x)，用列向量表示，阶次从高到低排列，此函数返回p(x)的切比雪夫多项式展开的系数，返回的的结果也是一个列向量，同样按切比雪夫多项式的阶次从高到低排列 另外该函数用cos(x)项傅里叶级数展开一个多项式( ChebyshevExpansion.m by David Terr, Raytheon, 5-26-04 Given a polynomial f(x) of degree n expressed as a row vector of coefficients of x^k with highest power on the left, expand f(x) as a sum of scalar multiples of Chebyshev polynomials, i.e. return the column vector of coefficients a_k with k running from n to 0 from top to bottom such that f(x) = sum_{k=0}^n{a_k P_k(x)}.)

这个是本人自己做的一个matlab程序,希望大家可以能用到,2.4.6....32变为灰度(this is the doing of a Matlab procedures in the hope that we can use to be, 2.4.6 .... 32 into gray)

城市轨道交通客流需求预测模型，非集计思路(Urban rail transport passenger demand forecasting model, non-collection design ideas)

第七章 IIR滤波器设计 数字滤波器：将输入序列通过一定运算，变换成输出序列的离散时间系统（数字网络）。 (Chapter 7 IIR filter design digital filters: input sequence is converted into the output sequence of discrete time system (Digital Network) through certain operations.)

Sampling and reconstructing an analogue signal

清华大学章毓晋老师图像分析最后一次作业答案(The answer for the last homework of image analysis by Yujin Zhang, Tsinghua univ.)

parabolic equation solver matlab code

说明：  鲸鱼优化算法（WOA）是一种用于解决优化问题的新优化技术。该算法包括三个算子，用于模拟猎捕鲸鱼的猎物，环绕猎物和泡泡网觅食行为。(Whale Optimization Algorithm (WOA) is a new optimization technique for solving optimization problems. The algorithm includes three operators for simulating whale hunting prey, orbiting prey and bubble net foraging behavior.)

经验模态分解程序，把信号分解为固有模态函数(the program of emd)

DC2DC BUCK CONVERTER