Newmark-beta法解微分方程的MATLAB程序。function [q,v,a]=newmark(M,C,K,F,q0,v0,dt,nt)% newmark-beta method% [q,v,a]=newmark(M,C,K,F,q0,v0,dt,nt)% obtain the response of the dynamic system% M - mass matrix% K - stiffness matrix% C - damping matrix%
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001221s ]
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:0.074161s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000960s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001266s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000937s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003415s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000835s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004097s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015401s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001061s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 349194 [ RunTime:0.013782s ]
