二分算法 2.1
To find a solution to f(x) = 0 given the continuous function
f on the interval [a,b], where f(a) and f(b) have
opposite signs:
INPUT: endpoints a,b; tolerance TOL;
maximum number of iterations NO.
OUTPUT: approximate solution p or 请点击左侧文件开始预览 !预览只提供20%的代码片段,完整代码需下载后查看 加载中 侵权举报
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001011s ]
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:0.060436s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001020s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001197s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000955s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003223s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000973s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003798s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020482s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001513s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 29060 [ RunTime:0.015657s ]