Sandkasse/jcs
[math]THR = \frac{IRF_{\text{i}}}{\sum_{H_{\text{j}}}(D_{\text{j}} + E_{\text{ij}}) \sum_{A_{\text{k}}}C_{\text{jk}} \times F_{\text{ik}}}[/math]
[math]THR = \frac{IRF_{\text{i}}}{\sum_{H_{\text{j}}}(D_{\text{j}} + E_{\text{ij}}) \sum_{A_{\text{k}}}C_{\text{jk}} \times F_{\text{ik}}}[/math]