| 查看: 1008 | 回复: 15 | ||
| 当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖 | ||
[求助]
iteration method for density equations_help_me 已有2人参与
|
||
|
hi there; I need some help with the following formulas In the interaction picture. Then This equation can be iterated. and it is I can understand the eq.(2), but not the eq. (3). Is anybody know how to get the equation (3). and why do we want to do such calculation? |
回复此楼» 猜你喜欢
求调剂
已经有3人回复
-
265求调剂
已经有4人回复
-
085700资源与环境308求调剂
已经有6人回复
-
一志愿吉林大学材料学硕321求调剂
已经有12人回复
-
286分人工智能专业请求调剂愿意跨考！
已经有3人回复
-
329求调剂
已经有5人回复
-
申请回稿延期一个月，编辑同意了。但系统上的时间没变，给编辑又写邮件了，没回复
已经有4人回复
-
材料学硕318求调剂
已经有5人回复
-
一志愿中国海洋大学，生物学，301分，求调剂
已经有6人回复
-
081700化工学硕调剂
已经有3人回复
3楼2014-06-27 14:48:47
mshwangg
至尊木虫 (正式写手)
- 应助: 206 (大学生)
- 金币: 10702.8
- 散金: 100
- 红花: 19
- 帖子: 597
- 在线: 195.4小时
- 虫号: 576702
- 注册: 2008-06-21
- 专业: 物理学I
【答案】应助回帖
★
感谢参与，应助指数 +1
十点钟的咖啡: 金币+1 2014-06-27 14:50:51
感谢参与，应助指数 +1
十点钟的咖啡: 金币+1 2014-06-27 14:50:51
|
What your aim is to solve equation 1. However, the statement in eq.2 and eq3 is only the method using Euler's formula. The precision of this method is the order of h^3 (h is the step). In many cases, the h^3 precision is not sufficient for meeting your expectation. In my opinion, it's better to use the Runge-Kutta method or use some software such as Matlab or Mathematica |
2楼2014-06-27 14:27:15
4楼2014-06-27 15:00:09
walk1997
金虫 (著名写手)
- 物理EPI: 1
- 应助: 1 (幼儿园)
- 金币: 4676.2
- 红花: 22
- 帖子: 1066
- 在线: 798.1小时
- 虫号: 416039
- 注册: 2007-06-29
- 性别: GG
- 专业: 粒子物理学和场论
5楼2014-06-27 20:58:31
