老师您好~程序运行中总是报错
Warning: Matrix is singular to working precision.
> In stochastic_solvers at 146
In resol at 118
In check at 73
In DSGE at 192
In dynare at 120
Warning: Matrix is singular to working precision.
> In stochastic_solvers at 148
In resol at 118
In check at 73
In DSGE at 192
In dynare at 120
请问一般是什么情况会出现这个?