We present software for investigations with cut generating functions in the Gomoryâ€“Johnson model and extensions, implemented in the computer algebra system SageMath.

Consider the following question from the theory of linear inequalities over the reals: Given a (finite) system Ax â‰¤ b, exactly which linear inequalities ã€ˆa, xã€‰ â‰¤ Î² are valid, i.e., satisfied forâ€¦ (More)

We construct two HMMs to model the stock returns for every 10-day period. Our first model uses the Baum-Welch algorithm for inference about volatility, which regards volatility as hidden states andâ€¦ (More)