包含了matlab中很多实用的函数及其算法，还有很经典的例子，适合初学者的学习以及查用。-Matlab contains many useful functions and its algorithm, there is still a classic example, suitable for beginners learning and reference.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001311s ]
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:0.120986s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001523s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001837s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001405s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003064s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000828s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003532s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014899s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001152s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 6097 [ RunTime:0.028321s ]
