（1）用MATLAB开发的傅立叶变换以及逆变换的一个例子，测试通过无误。（2）C＋＋编写的傅立叶以及逆傅立叶变换程序源代码，测试通过。-(1) Using MATLAB development of the Fourier transform and inverse transform an example of the test correct. (2) C++ and inverse Fourier Fourier transform source code, test.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001458s ]
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:0.090898s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001239s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001268s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001152s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014669s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001467s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 31569 [ RunTime:0.001566s ]
