高等应用数学的MATLAB实现，用实例讲解MATLAB在高等数学问题中的应用。-Advanced Applied Mathematics MATLAB implementation, MATLAB examples to explain problems in the application of higher mathematics.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001201s ]
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:0.085210s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001165s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001926s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001225s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003597s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001329s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004060s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017170s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001342s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 3523 [ RunTime:0.001358s ]
