人工智能简单感知器实现，应用Hebb
Learning Rule
hebb learning rule :
wi (new) = wi (old) + xit i=1,2
b (new) = b (old) + t
t——desired response or target
我将两个感知器写在了一起，对应的结构是3个输入结点、2个神经元，2个神经元的输出就是最后的输出。
输入与输出设置1为真，-1为假
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001226s ]
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:0.108421s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001722s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003264s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001820s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006426s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001592s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006123s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026342s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001947s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 66198 [ RunTime:0.001589s ]
