Dataset Groups Activity Stream Hyperspectral Unmixing The dataset used in the paper is a hyperspectral unmixing problem with a nonconvex constraint. BibTex: @dataset{Miguel_Simões_and_Andreas_Themelis_and_Panagiotis_Patrinos_2025, abstract = {The dataset used in the paper is a hyperspectral unmixing problem with a nonconvex constraint.}, author = {Miguel Simões and Andreas Themelis and Panagiotis Patrinos}, doi = {10.57702/hjzm58dx}, institution = {No Organization}, keyword = {'hyperspectral unmixing', 'nonconvex optimization', 'nonsmooth optimization'}, month = {jan}, publisher = {TIB}, title = {Hyperspectral Unmixing}, url = {https://service.tib.eu/ldmservice/dataset/hyperspectral-unmixing}, year = {2025} }