[求助]已知前30天的数据，请问，如何预测未来7天的数据

eatwindshumo · 发表于 2004-8-15 04:07:32

已知前30天的数据，请问，如何预测未来7天的数据?

schal · 发表于 2004-8-15 20:27:46

<

>maybe use numerical mathemathics. u can try ODE. But I am not sure.

eatwindshumo · 发表于 2004-8-16 06:45:11

...Help,I need help...

schal · 发表于 2004-8-16 07:25:30

你记得遗忘模式吗？类似的。好像是指数形式的 if i was not wrong

eatwindshumo · 发表于 2004-8-16 19:00:44

这方面的学术论文有吗？

hExplorer · 发表于 2004-8-17 00:56:36

时间序列分析

schal · 发表于 2004-8-17 12:09:56

<

>it is not an essay, but a normal problem. i give u a link <a href="http://www.mathematik.tu-darmstadt.de/Math-Net/Lehrveranstaltungen/Lehrmaterial/SS2004/MatheIV_MB/loesung08.pdf" target="_blank" >http://www.mathematik.tu-darmstadt.de/Math-Net/Lehrveranstaltungen/Lehrmaterial/SS2004/MatheIV_MB/loesung08.pdf</A><

>G27. ein modell des vergessen (a model of forgetting)<

>though it is in german, u can understand the general meaning from the equation.generalling meaning of the problem: a student have learned some knowledge, but he will forget it. please give the foregettng rate out. try u best. and hope it will be helpful. but if u cannot understand it, then just forget it.

eatwindshumo · 发表于 2004-9-20 10:10:56

thank you!

cooperative · 发表于 2004-9-26 02:27:48

<

>随机数据分析吧<

>我听说有个师兄用这个东西分析道琼斯股票指数

		自动登录	找回密码
密码			注-册-帐-号