在MATLAB里，对数据进行拟合，在双对数坐标下，看数据是否符合幂律分布，求出幂指数，并绘出图形。-In MATLAB, the pairs of data fitting, in double logarithmic coordinates to see whether the data meet the power-law distribution, find the power index, and draw the graph.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002736s ]
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:0.113097s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002459s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003377s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002441s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003767s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002110s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003464s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015474s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002508s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 31870 [ RunTime:0.001085s ]
