MATLAB5.X应用与技巧也是一本比较老的关于MATLAB的教材，虽然是比较老版本的，但也有很好的指导做用-MATLAB5.X applications and skills is a relatively old on MATLAB materials, although the old version, but there are also a good guide to do with
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002094s ]
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:0.094970s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001939s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001986s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002183s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003970s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001911s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003383s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015521s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002371s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 32329 [ RunTime:0.001213s ]
