niudunfa

用显示euler法、heun法、中点法和rk4方法求解一阶微分方程精确解和数值解的程序(Euler method with the show, heun method, midpoint method and rk4 exact method for solving first order differential equations and numerical solutions of the procedures)

this file is for matlab filters

基于DCT变换的图像压缩，分别给出了灰度图和真彩图的压缩方法。(DCT-based image compression, respectively, are given grayscale and true color pictures of the compression method.)

This program code is for compressing a file or image using Huffman coding without any built-in functions.

GUI光学薄膜多层膜系反射率分析，绘制反射率与波长、角度的函数曲线，计算带宽(Optical thin film multilayer reflectivity analysis, draw the function curve of reflectivity and wavelength, angle, calculate bandwidth)

This file is used to test TSP instence Berlin52 in the optimization problems.

说明：  DTW算法是孤立词语音识别中最简单有效的算法，是基于DP动态规划的思想。(DTW)

feature detection with mean shift

说明：  IIR低通数字滤波器在MATLAB中的设计方法(Low-pass IIR digital filter design in MATLAB method)

Imagescn plot two or more imagesc into the same axes. Deeper layers are visible, were higher layers have the value NaN. This is helpful e.g. to show measurement (=foreground) results "above" a map (=background), to separate NaN values within a 2D matrix from the lowest value (standard image shows the same color at NaN as it does for the lowest value). The number of layers is only limited by memory space :-).(Piled images Imagescn plot two or more imagesc into the same axes. Deeper layers are visible, were higher layers have the value NaN. This is helpful e.g. to show measurement (=foreground) results "above" a map (=background), to separate NaN values within a 2D matrix from the lowest value (standard image shows the same color at NaN as it does for the lowest value). The number of layers is only limited by memory space :-).)