我自己写的数值分析课程设计的源代码，这里是数值插值算法的内容。-I wrote it myself numerical analysis courses designed source code, here is the interpolation algorithm for the numerical content.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001880s ]
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:0.089879s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001657s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003390s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001815s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006224s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001373s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006023s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024001s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001934s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 119970 [ RunTime:0.001641s ]
