本书介绍了matlab的基本使用及编程方法,并对用matlab解决统计问题和建模问题作了清晰的说明-This book introduces the basic use of matlab and programming methods, and using matlab to solve statistical problems and modeling gave a clear description of
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000998s ]
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:0.094451s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001377s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001545s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001178s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004225s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001444s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005302s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018464s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001176s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 33724 [ RunTime:0.359831s ]