所做项目中的一个卡尔曼滤波算法，需调用一些函数，但卡尔曼滤波的程序已给出，而且是正确的。-Made the project a Kalman filter algorithm, need to call some function, but the Kalman filter procedure has been given, and is correct.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000976s ]
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:0.078235s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001131s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001133s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001028s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003019s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000847s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003689s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015048s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001564s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 3956 [ RunTime:0.023789s ]
