雅可比迭代解线性方程组 这个也是计算方法中另一种 求解线性方程组的计算程序-Jacobi iterative solution of linear equations This is a separate calculation method for solving linear equations of computational procedures
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:0.070693s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001098s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001107s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003241s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000874s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019038s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001478s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 294209 [ RunTime:0.015592s ]
