User:Zojj/test



\frac{m+1}{2}\max \Big(|\sigma_1 - \sigma_2|+K(\sigma_1 + \sigma_2) ~, |\sigma_1 - \sigma_3|+K(\sigma_1 + \sigma_3) ~,  |\sigma_2 - \sigma_3|+K(\sigma_2 + \sigma_3) \Big) = \sigma_c $$ where
 * $$ m = \frac {\sigma_c}{\sigma_t}; K = \frac {m-1}{m+1}$$