pycba.load_cases.additive_envelope#

additive_envelope(B, n_combine=2)[source]#

Compute additive positive and negative pointwise envelopes.

The negative envelope sums the n_combine smallest values at each station. The positive envelope sums the n_combine largest values at each station. Governing load-case indices are returned for both envelopes.

Return type:

tuple[ndarray, ndarray, ndarray, ndarray]