input.tgyro Tabular List

**High-level control**
input.tgyro parameter	Short description	Default
TGYRO_MODE	Control TGYRO operational mode	1

**Iteration control**
input.tgyro parameter	Short description	Default
LOC_DX	Jacobian step length	0.1
LOC_DX_MAX	Maximum size of Newton step	1.0
LOC_RELAX	Iteration relaxation parameter	2.0
LOC_RESTART_FLAG	Restart control	0
LOC_LOCK_PROFILE_FLAG	Initial profile calculation	0
LOC_EVOLVE_GRAD_ONLY_FLAG	Decouple profile and gradient evolution	0
LOC_RESIDUAL_METHOD	Residual formula	2
TGYRO_ITERATION_METHOD	Iteration scheme	1
TGYRO_RELAX_ITERATIONS	Number of Newton iterations	0
TGYRO_WRITE_PROFILES_FLAG	Manage writing of updated input.gacode	0

**Profile Feedback Control**
input.tgyro parameter	Short description	Default
TGYRO_DEN_METHOD*	Rules for evolving electron and ion densities	all 0
LOC_TE_FEEDBACK_FLAG	Evolve electron temperature	1
LOC_TI_FEEDBACK_FLAG	Evolve thermal ion temperature	1
LOC_ER_FEEDBACK_FLAG	Evolve electric field	0

**Physics Control**
input.tgyro parameter	Short description	Default
LOC_BETAE_SCALE	Amount to scale electron \(\beta\)	1.0
TGYRO_NEO_METHOD	Control of NEO simulation	1
LOC_SCENARIO	Power-balance scenario	1

**Species Parameters**
input.tgyro parameter	Short description	Default
TGYRO_THERM_FLAG*	Toggle thermal/nonthermal species	1