question4

Incremental Conductance: In the incremental conductance algorithm, we find the derivative of PV output power with respect to output voltage. The dP/dV is evaluated and the algorithm keeps checking this value and changes the duty cycle such that dP/dV=- I/V = 0. This is the point at which maximum power is transferred. If dP/dV is greater than zero, it means the PV is operating to the left of the MPP. If dP/dV is less than zero, it means the PV is operating to the right of the MPP. This method holds an advantage over the perturb and observe method since it is fast and does not oscillate around MPP. However, the method could experience instability due the involvement of the derivative.

本光盘包含《MATLAB工程计算及分析》一书全部的源程序文件。对大量的工程实例进行了详细的分析计算。(matlab caculate and analysis for projects， include the mode set up and so on.)

卡尔曼滤波原理及程序手册，非常好用，非常方便(Kalman filtering principles and procedures manual, very easy to use, very convenient)

Matlab permutation matrix

matlab计算拟合三维数据，并成三维图(a program which draw a 3_D drawing)

it s a sample for initiaiton to matlab

SPEECH RECOGNITION USINF MATLAB

本子程序用于计算单个球形粒子米散射参数：吸收、散射、消光效率、不对称因子。 参见尹宏：《大气辐射学基础》P53―59，P92―96，P101―121。( Book program for calculating the single spherical particle scattering parameters meter: absorption, scattering, extinction efficiency and asymmetry factor. See Yin Wang: Fundamentals of Atmospheric Radiation )

this file contains psk and qpsk modulation and de modulation part

For multiple boards in a test suite, this function displays the wind, starting and end points and maximum wind. For each solver for each board, the boat path and thrust adjustments are displayed. In the legend, the solver name, score, and thrust usage for each path is displayed