matlab语言编写的常用的网格生成方法，有代数法，微分方程法（求解椭圆方程）等
1.Hyperbolic grid generation from boundary j=1
2.Algebraic grid generator. Assumes that all four sides are given in the
% grid xg, yg. Generates the grid in the interior
3.ELLIPTIC Elliptic grid generation in two dimensions.
4.Transfinite grid generation in two dimensions.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002047s ]
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:0.086808s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002406s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001925s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002351s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003661s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001976s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003196s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015327s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002531s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 85293 [ RunTime:0.001365s ]
