param_file.petsc

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-ksp_type gmres
-pc_type lu
-pc_factor_mat_solver_type mumps 
 
-mat_mumps_icntl_20 0 
-mat_mumps_icntl_14 800 
-mat_mumps_icntl_24 1 
-mat_mumps_icntl_13 1
 
-tao_type cg 
-tao_ls_type gpcg 
-tao_ls_stepmax 1e-2  
-tao_ls_monitor
#-tao_type lmvm
-tao_monitor
-tao_converged_reason
-tao_gatol 1e-2
-tao_grtol 1e-2
 
-tao_monitor_gradient
#-tao_fd_gradient