Предлагаются многосеточные варианты иерархических методов моделирования распределения потоков для оптимизации нестационарных режимов транспорта газа на...

Nonnegative Matrix Factorization (NMF) is the problem of approximating a nonnegative matrix with the product of two low-rank nonnegative matrices and has been shown to be particularly useful in many applications, e.g., in text mining, image processing, computational biology, etc. In this paper,...