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LU分解 用比较通俗易懂的语言编写了ＬＵ分解的相关程序(LU)

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说明：  hallo this is my program for matlab about segmontation image

File 1: THIS CODE IS USED TO DRAW THE PUMP CURVES AT DIFFERENT PUMP SPEED 1: PUMP CURVE 2: EFFICIENCY CURVE 3: BREAK HORSEPOWER CURVE 4: KW-INPUT CURVE File 2: THIS CODE IS FOR APPLYING THE WAY OF CALCULATING THE EFFICIENCY, POWER AND KW-INPUT FOR VARIABLE SPEED PUMP AT A GIVEN DESIRED HEAD AND DESIRED FLOW AS SHOWN IN THE PAPER TITLED: " how to calculate the pump efficiency and power for variable speed pump" File 3: this code is to correct the use of affinity law by shifting the curve to intersect with the system-curve at the desired flow as shown in the paper titled: "The Correct Method of Calculating Energy Savings to Justify Adjustable-Frequency Drives on Pumps"

绘制带通滤波器的图形 坐标的变换,低通到高通，带通，带阻(Band-pass filter rendering graphics coordinates transform, low pass to high pass, band-pass, band-stop)

hai this is useful for wavelet programming

说明：  国内一名校老是编的经典控制程序，跟实际项目密切相关。(China is always a prestigious series of classical control procedures, is closely related with the actual project.)

说明：  基于matlab简单图像处理系统中对图片的取反功能(Based on a simple matlab image processing system for the inversion of the image)

两个源文件进行最小冗余和最大相关特征选择，主要用于图像特征选择里面(Two source files and the maximum correlation minimum redundancy feature selection, which is mainly used for image feature selection)