数值分析，最小二乘法，源代码，还有龙格库塔，陆续将会上传，敬请等待-Numerical analysis, the least square method, source code, as well as Runge-Kutta, one after another will upload, please wait
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001025s ]
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:0.078363s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001372s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001866s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000969s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003024s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000802s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003646s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014004s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001104s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 180254 [ RunTime:0.020754s ]
