Error using chol

Matrix must be positive definite.

Error in posterior_sampler_initialization (line 84)

d = chol(vv);

Error in posterior_sampler (line 60)

posterior_sampler_initialization(TargetFun, xparam1, vv,

mh_bounds,dataset_,dataset_info,options_,M_,estim_params_,bayestopt_,oo_);

Error in dynare_estimation_1 (line 465)

posterior_sampler(objective_function,posterior_sampler_options.proposal_distribution,xparam1,posterior_sampler_options,bounds,dataset_,dataset_info,options_,M_,estim_params_,bayestopt_,oo_);

Error in dynare_estimation (line 105)

dynare_estimation_1(var_list,dname);

Error in fs_est.driver (line 205)

oo_recursive_=dynare_estimation(var_list_);

Error in dynare (line 288)

evalin(‘base’,[fname ‘.driver’]) ;

model_est.txt (743 Bytes)