def
definition
def or abbrev
spatialRadius
show as:
view Lean formalization →
formal statement (Lean)
151noncomputable def spatialRadius (x : Fin 4 → ℝ) : ℝ := Real.sqrt (spatialNormSq x)
proof body
Definition body.
152
used by (26)
-
differentiableAt_coordRay_partialDeriv_v2_radialInv -
differentiableAt_coordRay_radialInv -
differentiableAt_coordRay_spatialNormSq -
differentiableAt_coordRay_spatialRadius -
laplacian_radialInv_n -
laplacian_radialInv_zero_no_const -
partialDeriv_v2_radialInv -
partialDeriv_v2_spatialRadius -
radialInv -
secondDeriv_radialInv -
spatialNormSq_coordRay_spatial_3 -
spatialNormSq_coordRay_temporal -
spatialRadius_coordRay_ne_zero -
spatialRadius_coordRay_ne_zero_eventually -
spatialRadius_coordRay_temporal -
spatialRadius_ne_zero_iff -
spatialRadius_pos_iff -
spatialRadius_pos_of_ne_zero -
C2DischargeCert -
differentiableAt_coordRay_partialDeriv_v2_radialInv_proved -
laplacian_radialInv_n_proved -
laplacian_radialInv_zero_no_const_proved -
partialDeriv_v2_radialInv_proved -
partialDeriv_v2_spatialRadius_proved -
secondDeriv_radialInv_proved -
spatialRadius_coordRay_ne_zero_proved