一种基本的模式识别方法，进行了部分改进，简单实用，采用matlab仿真，经编译后无误。供大家学习参考-A basic pattern recognition methods, partially improved, simple and practical, the use of matlab simulation, as compiled correctly. Reference for everyone to learn
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001285s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.102661s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001559s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002052s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001299s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004008s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001169s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003295s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021423s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001682s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 31348 [ RunTime:0.001826s ]
