A Multivariate Adaptive Sampling Scheme for Passivity Characterization of Parameterized Macromodels Marco De Stefano, Stefano Grivet-talocia (2021) A Multivariate Adaptive Sampling Scheme for Passivity Characterization of Parameterized Macromodels, In: 2021 IEEE 25th Workshop on Signal and Power Integrity (SPI), pp. 1-3, ISBN: 978-1-6654-2388-5