feynlag.export.ufo.vvvv.metric_pair_coefficients¶

feynlag.export.ufo.vvvv.metric_pair_coefficients(structures)[source]¶

(c12, c13, c14) of a {VVVV1/2/3: coeff} dict.

The inverse of structures_from_metric_pairs() (up to the 1-parameter redundancy of the over-complete catalog).