24小时热门版块排行榜    

查看: 1609  |  回复: 15
当前主题已经存档。

resonant

木虫 (正式写手)

独自为政

[交流] 【Activity】Somebody do me a favor?

This is all about Mathematica. If you dont use this software, pray not continue.

I'm trying to solve a series of differential equations, namely coupled wave equations, with Mathematica. And I just encountered with some difficulty and stuck here.
The basic idea is to use improved Euler method to solve it numerically. The variables are four complex numbers.

If anyone can do me the favor, I'd really appreciate that.

The simulteneous equations are listed below.



I will pay the replyer, who could help me solve this before 04/15/2010, 20bb as a prize.

[ Last edited by resonant on 2010-4-13 at 22:18 ]
回复此楼
交朋识友,猛搞科研。两手抓,两手都要硬。
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

小木虫(金币+0.5):恭喜抢沙发,给个红包
resonant(金币+2):结题请客:-) 2010-04-26 21:56
2楼2010-04-13 19:57:38
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

resonant

木虫 (正式写手)

独自为政

well, dont freak out. a lot of parameters are merely constants.
交朋识友,猛搞科研。两手抓,两手都要硬。
3楼2010-04-13 20:02:33
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

hkkotw

铜虫 (小有名气)

resonant(金币+2):结题请客:-) 2010-04-26 21:56
that's quite difficult
士不可以不弘毅,任重而道远
4楼2010-04-13 22:06:01
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

resonant

木虫 (正式写手)

独自为政

what now, probably a little easier.


so you can see lots of them are just constants.
I wanna know how to solve this kind of equations with mathematica 5.2 and 7.0
thank you very much.

P.s.
a single solution with mathematica 5.2 will do.

[ Last edited by resonant on 2010-4-13 at 22:20 ]
交朋识友,猛搞科研。两手抓,两手都要硬。
5楼2010-04-13 22:12:23
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

ysm56789

荣誉版主 (知名作家)

骆驼

优秀版主

resonant(金币+2):结题请客:-) 2010-04-26 21:57
No idea
practicemakesperfect
6楼2010-04-14 06:03:37
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

nono2009

超级版主 (文学泰斗)

No gains, no pains.

优秀区长优秀区长优秀区长优秀区长优秀版主

resonant(金币+1):thanks for the tip. 2010-04-14 11:57
resonant(金币+1):结题请客:-) 2010-04-26 21:57
7楼2010-04-14 08:27:58
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

baiyansong

金虫 (小有名气)

resonant(金币+2):结题请客:-) 2010-04-26 21:56
too hard
8楼2010-04-14 09:56:41
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

resonant

木虫 (正式写手)

独自为政

problem solved.
交朋识友,猛搞科研。两手抓,两手都要硬。
9楼2010-04-15 21:04:55
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

shabbir

yes

resonant(金币+2):结题请客:-) 2010-04-26 21:56
Yes mathematica 5.2 can solve it
10楼2010-04-15 21:24:37
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 resonant 的主题更新
普通表情 高级回复 (可上传附件)
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[公派出国] 售SCI一区T0P文章,我:8O.55.1.O.5.4,科目齐全,可+急 +3 YLHlRHNwYkce 2026-09-02 8/400 2026-09-03 20:31 by jyNB2vrbdUpR
[硕博家园] 售SCI一区文章,我:8.O.551.O.5.4,科目全,可伽急 +3 uFOAtb1CDngh 2026-09-02 9/450 2026-09-03 20:20 by jyNB2vrbdUpR
[教师之家] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +4 ero8OE6tv9cu 2026-09-02 9/450 2026-09-03 20:07 by jyNB2vrbdUpR
[硕博家园] 售一区SCI文章T0P,我:8O.551.O54,科目全,可十急 +4 YLHlRHNwYkce 2026-09-02 8/400 2026-09-03 18:50 by jyNB2vrbdUpR
[找工作] 售SCI一区T0P文章,我:8O.55.1.O.54,科目全,可伽急 +4 YLHlRHNwYkce 2026-09-02 11/550 2026-09-03 18:42 by jyNB2vrbdUpR
[硕博家园] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +3 ero8OE6tv9cu 2026-09-02 5/250 2026-09-03 16:38 by T0rGB46095mJ
[找工作] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +3 ero8OE6tv9cu 2026-09-02 8/400 2026-09-03 16:38 by T0rGB46095mJ
[考研] 售SCI一区T0P文章,我:8O.55.1.O.5.4,科目齐全,可+急 +3 ero8OE6tv9cu 2026-09-02 10/500 2026-09-03 16:27 by T0rGB46095mJ
[基金申请] 国社科又开始会评了,不知道这次命运如何 +10 雨打竹帘 2026-08-30 14/700 2026-09-03 13:17 by qsd10086
[教师之家] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +3 YLHlRHNwYkce 2026-09-02 8/400 2026-09-03 12:03 by T0rGB46095mJ
[基金申请] 麻烦专家们看看评委们的意见(F口面上) +8 gdd2018 2026-08-28 13/650 2026-09-03 06:22 by 羽毛枫f
[基金申请] 科研人应该花精力去思考如何解决问题,而不是去凝练问题 +7 瞬息宇宙 2026-09-01 14/700 2026-09-02 17:33 by ma0526
[基金申请] 学科评审组评审是指会评吗? +5 瞬息宇宙 2026-08-31 5/250 2026-09-02 10:13 by 雨冰共舞
[论文投稿] 小白求助 投论文要求的highlights应该如何写 5+3 l1963982152 2026-08-29 4/200 2026-09-01 09:04 by 北京莱茵编辑
[基金申请] 面上意见出来了 +12 黄鸟于飞Chao 2026-08-29 23/1150 2026-08-31 18:57 by 黄鸟于飞Chao
[基金申请] 能否申诉? +7 echo8914667 2026-08-30 8/400 2026-08-31 17:00 by yihongxu
[基金申请] 中青基了要发朋友圈吗? +7 349506619 2026-08-28 7/350 2026-08-31 13:39 by 冼亮淀粉酶
[基金申请] 29号明天会评吗 +4 笨笨唐 2026-08-28 4/200 2026-08-31 09:30 by huixian257
[基金申请] 为什么到现在没收到通知? +5 tannykie 2026-08-29 5/250 2026-08-30 21:05 by purplejack
[基金申请] 我就是申请一个面上项目而已,这评审意见是按照杰青的条件评的吧? +6 gouxfjh 2026-08-28 11/550 2026-08-30 07:57 by gouxfjh
信息提示
请填处理意见