能够将数据归一化处理，使不同单位不同数量级的数据统一起来。是一个不错的MATLAB代码-The data can be normalized, so that different units of different order of magnitude of data integrated. MATLAB code is a good
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001471s ]
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:0.109713s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000851s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001109s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000992s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004630s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.018692s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003786s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021107s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001522s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 32621 [ RunTime:0.034958s ]
