K_CreditNonQ_VegaMargin

Description Bucket-level margin for Credit Non Qualifying Vega sensitivities
Notation $$K_{b}$$
Formula $$K_{b} =\sqrt{\sum_{k}VR_{k}^{2} + \sum_{k}{\sum_{k \neq l} \rho_{kl}} \ f_{kl} \ VR_{k} \ VR_{l}}$$
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