In this subsection, we assume that $J_n = J_n^{(1)}$, the matrix introduced in subsection A-IV. Deduce an expression for the function $m$ and conclude that $m^+ = 0$. Recall that $m = \psi'$ when $\psi$ is differentiable on $\mathbb{R}_+^*$.
In this subsection, we assume that $J_n = J_n^{(1)}$, the matrix introduced in subsection A-IV.
Deduce an expression for the function $m$ and conclude that $m^+ = 0$.
Recall that $m = \psi'$ when $\psi$ is differentiable on $\mathbb{R}_+^*$.