tqxprimej_cf.Rd
Computes $${}_tq_x^{\prime(j)} =1-\exp(-\mu_jt).$$
tqxprimej_cf(mu, t)
Nonnegative constant force of decrement. May be scalar or vector.
Nonnegative time. May be scalar or vector.
A numeric vector.
tqxprimej_cf(0.10, 5) #> [1] 0.3934693