Dear everyone, how to do DSGE 3d impulse response analysis

That is a very unspecific question. Please elaborate.

The main idea is to plot the impulse response in three dimensions

The main idea is to plot the impulse response in three dimensions. How to write programs with Dyanre

Where does the third dimension come from? Also, Dynare uses Matlabâ€™s plot capabilities. So this is most likely a Matlab, not a Dynare question.

Dear jpfeifer .How to use Dynare for welfare analysis of two agent(tank) model.

Dear jpfeifer .How to use Dynare for welfare analysis of two agent(tank) model.

Again that is a very generic question. What exactly is the problem you are encountering?