此程序在matlab环境下运行，适于求解线性规划一类问题。（单纯形法）-this procedure in running Matlab environment suitable for solving a class of linear programming problems. (Simplex)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001451s ]
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:0.082515s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001023s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001149s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000911s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003248s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000792s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003816s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016208s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001186s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 34167 [ RunTime:0.014210s ]
