u_C(t)

Asymptote u = E

u = 0.63 E

Tangente en t=0

t=τ

t=τ

τ = 1 (slider from 0 to 5, step 0.02)
E = 3.5 (slider from -5 to 5, step 0.05)
u(t) = If[t > 0, (E * (1 - ℯ^(((-t)) / τ))), 0]
Asymptote: y = E
intermediaire: y = (0.63 * E)
tgte(t) = If[t > 0, (E / τ * t)]
A = Intersect(tgte, Asymptote, (0.9999999999999999, 3.4999999999999996))
B: (τ, (0.63 * E))
C: (τ, 0)
Lecture = Line(A, C)