cs_

plasmapy.formulary.cs_(

T_e: Quantity,

T_i: Quantity,

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

n_e: Quantity = None,

k: Quantity = None,

gamma_e: float = 1,

gamma_i: float = 3,

Z=None,

) → Quantity

Alias to ion_sound_speed.