How to type a a euler equation which contain Σ??

[yy1985]

Dear profeeor pfeifer:
If a euler equation like (I an very sorry that I cann't type it in here,so I upload a attachment file in follows ).how can I type it into the model block of dynare? There is no part of introduce in dynare.
Thank you very much!
Yun

a euler equation which contain Σ file attachment as follows:

[jpfeifer]

In the end, you have to write out all terms of the sum, but you could use the preprocessor for doing this.

[yy1985]

Dear professor pfeifer:
use the preprocessor for doing this？？In reality I was stupid, I do not know whether you can give me an example?
Thank you very much for you help!
Yun
2014-3-12

[jpfeifer]

You can use a for loop in the preprocessor to write out the sum. However, if n is small in your case, it is not worth bothering with this and entering the equation manually is easier.

[yy1985]

Dear professor pfeifer:
Thank you very much for your help.Under the guidance of you,I know what I shoud do.
Yun