要解决 AX = B 鉴于初始逼近 X(0)。
输入： 方程和未知数的数目 n;条目
A(I,J)，1 < = I J < = n 的矩阵 ；条目 B (一)，
1 < = I < = n 的非均匀期限 B ；条目
XO(I)，1 < = I < = n 的 X(0) ；容忍 TOL ；最大值
N.迭代的次数
输出: 近似解 X(1),...,X(n) 或一条消息
迭代的次数超过了。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.003891s ]
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:0.115643s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.020088s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.014892s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001354s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.011089s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000976s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007233s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.037013s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001606s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 284127 [ RunTime:0.028442s ]
