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Second partial derivative of $γ^r$ with respect to $π$

Values for calculation

$n_i$
$I_i$
$π$
$τ$
$J_i$
$\text{Region}$

Calculation

Second partial derivative of $ γ^r $ with respect to $ π $

$\text{if }\ \text{Region}= 2$
$$γ^r_{ππ}=\sum_{i=1}^{43}{n_i\cdot I_i\cdot\left(I_i-1\right)\cdot π^{I_i-2}\cdot\left(τ-0.5\right)^{J_i}}$$
$\text{else if }\ \text{Region}= 5$
$$γ^r_{ππ}=\sum_{i=1}^{6}{n_i\cdot I_i\cdot\left(I_i-1\right)\cdot π^{I_i-2}\cdot τ^{J_i}}$$
$\text{else}$
$$γ^r_{ππ}=0$$