matlab 在线性代数中的应用 利用matlab实现可以提高对所学知识的理解 更有助于你考研-matlab linear algebra application to increase the use of matlab to achieve the knowledge of the study section to help you understand more
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001385s ]
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:0.102653s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001364s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002242s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001746s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005026s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001373s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003773s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018569s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001500s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 4324 [ RunTime:0.001371s ]