This a classic bp algorithm and improved algorithm, mainly the alpha value for bp improvement and the improvement of learning efficiency, and the alpha values ​ ​ for different test, the correct rate can reach 80 percent, of which there are corresponding data set is used for identification of Arabic numerals, in addition to a lab report, an explanation of the bp algorithm ppt, executable and source code in vs2005 running on the test environment, and the original detailed data and statistics, I believe this is your good choice, will help you gain a deeper understanding of the bp algorithm

机器学习实验报告
................\BP算法.ppt
................\BP算法的实验报告.doc
................\可执行程序
................\..........\bp_with_alph(100)
................\..........\.................\algorithm_of_BP.exe
................\..........\.................\newhopeWorth.txt
................\..........\.................\newhopeWorthOfTest.txt
................\..........\.................\newSample.txt
................\..........\.................\newSampleOfTest.txt
................\..........\.................\process0.txt
................\..........\.................\process1.txt
................\..........\.................\process2.txt
................\..........\.................\process3.txt
................\..........\.................\process4.txt
................\..........\.................\process5.txt
................\..........\.................\process6.txt
................\..........\.................\process7.txt
................\..........\.................\process8.txt
................\..........\.................\process9.txt
................\..........\.................\runTime.txt
................\..........\bp_with_alph(1000)
................\..........\..................\algorithm_of_BP.exe
................\..........\..................\newhopeWorth.txt
................\..........\..................\newhopeWorthOfTest.txt
................\..........\..................\newSample.txt
................\..........\..................\newSampleOfTest.txt
................\..........\..................\process0.txt
................\..........\..................\process1.txt
................\..........\..................\process2.txt
................\..........\..................\process3.txt
................\..........\..................\process4.txt
................\..........\..................\process5.txt
................\..........\..................\process6.txt
................\..........\..................\process7.txt
................\..........\..................\process8.txt
................\..........\..................\process9.txt
................\..........\..................\runTime.txt
................\..........\bp_with_alph(500)
................\..........\.................\algorithm_of_BP.exe
................\..........\.................\bp_with_alph(500).txt
................\..........\.................\newhopeWorth.txt
................\..........\.................\newhopeWorthOfTest.txt
................\..........\.................\newSample.txt
................\..........\.................\newSampleOfTest.txt
................\..........\.................\process0.txt
................\..........\.................\process1.txt
................\..........\.................\process2.txt
................\..........\.................\process3.txt
................\..........\.................\process4.txt
................\..........\.................\process5.txt
................\..........\.................\process6.txt
................\..........\.................\process7.txt
................\..........\.................\process8.txt
................\..........\.................\process9.txt
................\..........\bp_with_alph_learn(100)
................\..........\.......................\algorithm_of_BP.exe
................\..........\.......................\newhopeWorth.txt
................\..........\.......................\newhopeWorthOfTest.txt
................\..........\.......................\newSample.txt
................\..........\.......................\newSampleOfTest.txt
................\..........\.......................\process0.txt
................\..........\.......................\process1.txt
................\..........\.......................\process2.txt
................\..........\.......................\process3.txt
................\..........\.......................\process4.txt
................\..........\.......................\process5.txt
................\..........\.......................\process6.txt
................\..........\...............

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