matlab解方程的程序，包含各种方程的解法，直接计算出方程结果，不需自己动手解。-matlab equation solution procedures, including a variety of equations, equations to calculate the results directly without having to do-it-yourself solution.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001881s ]
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:0.084327s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002508s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002097s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002104s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003537s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001929s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003146s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014774s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002551s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 4853 [ RunTime:0.001151s ]
