Steady state about equation sets

Steady state
1

dear all:
i have a problem about how to calculate the steady state of equation set.there are two equations of Tat_ss and Tlo_ss,but the steady state can’t calculate directly,so i write a function to do it.there are the results of it.how can i do next?many thanks!

dynare fangyeoceansink.mod
Using 64-bit preprocessor
Starting Dynare (version 4.6.4).
Calling Dynare with arguments: none
Starting preprocessing of the model file …
Found 38 equation(s).
Evaluating expressions…done
Computing static model derivatives (order 1).
Computing dynamic model derivatives (order 1).
Processing outputs …
done
Preprocessing completed.

数组索引必须为正整数或逻辑值。

出错 wei (第 2 行)
Tat_ss=Tat_ss(-1)+0.048*(2-1.37Tat_ss(-1)-0.44(Tat_ss(-1)-Tlo_ss(-1)));

出错 fsolve (第 260 行)
fuser = feval(funfcn{3},x,varargin{:});

出错 fangyeoceansink.driver (第 768 行)
M_.params(82) = fsolve(fun,x0);

出错 dynare (第 293 行)
evalin(‘base’,[fname ‘.driver’]) ;

原因:
Failure in initial objective function evaluation. FSOLVE cannot continue.
fangyeoceansink.mod (9.5 KB)
wei.m (181 Bytes)

2

Please clearly outline the two equations of the system you are trying to solve. Use the forum’s \LaTeX-capabilities for that, i.e. enclose the code in Dollar signs. The equation you have in the Matlab function

         Tat_ss=Tat_ss(-1)+0.048*(2-1.37*Tat_ss(-1)-0.44*(Tat_ss(-1)-Tlo_ss(-1)));
         Tlo_ss=Tlo_ss(-1)+0.002*(Tat_ss(-1)-Tlo_ss(-1));

is still a dynamic equation that cannot be solved. Also, these are two linear equations in two unknowns. Why can’t you solve them by hand?

3

thank you,dear professor. so how can i do by hand?

4

If you did not learn how to solve systems of linear equations in school, I am afraid I cannot help you. You may want to Google it.

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