DCT1.m为一维离散余弦变换exp22.m为对一幅灰度图像进行离散余弦变换
exp23.m为对一幅彩色图像进行离散余弦变换-DCT1.m for the one-dimensional discrete cosine transform exp22.m for a gray image exp23.m discrete cosine transform for the color of an image discrete cosine transform
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000997s ]
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:0.063870s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001113s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001206s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000914s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003196s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000825s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003836s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.013483s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001101s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 157437 [ RunTime:0.014251s ]
