梯度法的程序，我加载了一些内容，主要用来计算方程组得最优解-Gradient method of procedure, I loaded some of the elements, the main equations were used to calculate the optimal solution
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000989s ]
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:0.072913s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.019184s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.009018s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001321s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003475s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000940s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004072s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.061633s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.020851s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 109593 [ RunTime:0.020714s ]
