写了个dynare代码，出了问题，还请大家看看咋回事

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STEADY:  The Jacobian contains Inf or NaN. The problem arises from:

STEADY:  Derivative of Equation 1 with respect to Variable C  (initial value of C: 0)
STEADY:  Derivative of Equation 2 with respect to Variable C  (initial value of C: 0)
STEADY:  Derivative of Equation 2 with respect to Variable W  (initial value of W: 0)
STEADY:  Derivative of Equation 1 with respect to Variable P  (initial value of P: 0)
STEADY:  Derivative of Equation 2 with respect to Variable P  (initial value of P: 0)
STEADY:  Derivative of Equation 5 with respect to Variable P  (initial value of P: 0)
STEADY:  Derivative of Equation 6 with respect to Variable P  (initial value of P: 0)
STEADY:  Derivative of Equation 6 with respect to Variable P1  (initial value of P1: 0)
STEADY:  Derivative of Equation 6 with respect to Variable P2  (initial value of P2: 0)
STEADY:  Derivative of Equation 1 with respect to Variable R  (initial value of R: 0)
STEADY:  Derivative of Equation 5 with respect to Variable M  (initial value of M: 0)

STEADY:  The problem most often occurs, because a variable with
STEADY:  exponent smaller than 1 has been initialized to 0. Taking the derivative
STEADY:  and evaluating it at the steady state then results in a division by 0.
错误使用 dynare_solve (line 60)
An element of the Jacobian is not finite or NaN
出错 evaluate_steady_state (line 66)
            [ys,check] = dynare_solve([M.fname '_static'],...
出错 steady_ (line 54)
[steady_state,params,info] = evaluate_steady_state(oo_.steady_state,M_,options_,oo_,~options_.steadystate.nocheck);
出错 steady (line 81)
[steady_state,M_.params,info] = steady_(M_,options_,oo_);
出错 myexam (line 200)
steady;
出错 dynare (line 180)
evalin('base',fname) ;

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关键词：dynare ARE Derivative Evaluating Valuating