使用遗传算法求函数的极小值的一个例子，使用遗传算法求函数的极小值的一个例子-the use of genetic algorithms to find the minimum value function of an example, the use of genetic algorithms to find the minimum value function of an example
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001565s ]
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:0.082107s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001058s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001376s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001047s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003242s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000853s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003984s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017617s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001247s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 4656 [ RunTime:0.355238s ]
