avi2frames

说明：  求图论中的最短路径，哈哈求图论中的最短路径，哈哈……(Graph theory for the shortest path in graph theory Haha seeking the shortest path, ha ha ... ...)

this code used for stephest algorithm

以软件为主的方法实现QRS波的检测滤波之后的信号一般经过一些 变换以提高QRS波的份量，进而采用一系列阈值进行判别，这些阈值有固定 阈值法，也有可变阈值法。前者由于可能的干扰或高P、高T波的存在，若 其滤波后超过其阈值便会产生假阳性(FP，falsepositive)结果；另外，当心 律失常或QRS波幅度变小，阈值设置过高，会导致漏检产生假阴性(FN， falsenegative)结果。由于固定阈值的这些缺点，有研究者提出了用可变阈 值检测，以提高检测的精确率，所采用的可变阈值包括幅度阈值、斜率阈值 和时间间隔阈值等。(Give priority to with software method for detecting QRS wave signal after some commonly after filtering Amount of transformation in order to improve the QRS wave, then using a series of threshold to distinguish, the threshold value is fixed Threshold value method and variable threshold value method. The former due to the possible interference or the existence of the high P and T waves, if More than the threshold value is created after the filtering false positives (FP, falsepositive results In addition, be careful Law of disorder or QRS wave amplitude decreases, threshold is set too high, can lead to leak to produce false negatives (FN, Falsenegative) results. Due to these disadvantages of fixed threshold, some researchers have proposed using variable threshold Value detection, in order to improve the precision of detection rate, adopted by the variable threshold including amplitude threshold, the slope threshold And the time interval threshold, etc.)

弹出式tooltips，codeproject上面一个国外人写的(Pop-up tooltips)

this is a mdl file of matlab to Ideal Switch use in network

通过光速不变原理介绍相对论时间膨胀公式和长度收缩效应公式，并举例进行了说明。用曲线显示时间膨胀与物体速度的关系，显示长度收缩与物体速度的关系。(Through the principle of constancy of light, relativistic time dilation formula and length contraction effect formula, and examples are described. Curve shows the time dilation and the speed of the object, showing the length contraction and the speed of the object.)

mlp backpropagation neural network

matlab程序，利用Hough变换进行线提取。有图，可直接运行查看效果！(matlab procedures, the use of Hough transform for line extraction. There are maps, can be run to view results!)

课程作业：利用贝叶斯进行数据集的分类，并评估分类结果(Using the Bayesian to classify the data set, and uating the classification results)

用matlab编的kriging插值方法，简单易懂，容易实现，希望交流(Matlab compiled by kriging interpolation method, easy to understand, easy to implement, I hope the exchange)