cs_

plasmapy.formulary.speeds.cs_(

T_e: Annotated[Quantity, Unit('K')],

T_i: Annotated[Quantity, Unit('K')],

ion: str | int | integer | Particle | CustomParticle | Quantity,

n_e: Annotated[Quantity, Unit('1 / m3')] = None,

k: Annotated[Quantity, Unit('1 / m')] = None,

gamma_e: float = 1,

gamma_i: float = 3,

Z=None,

) → Annotated[Quantity, Unit('m / s')]

Alias to ion_sound_speed.