这个程序分别用二分法，Newton法，弦截法，Newton下山法等算法求解非线性方程-this procedure were used dichotomy, Newton, String interception, Newton downhill law for solving nonlinear equations
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000886s ]
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:0.074478s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002563s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001763s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001345s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004570s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001200s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005191s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020709s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001318s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 298107 [ RunTime:0.016372s ]
