sparse definition
sparse or “sparsity” of a vector means that some ele-
sparse means 𝑋 must have as many zero-entries as possible (one additional constraint: 𝑥𝑚 ≥ 0)
Freeboard means a factor of safety usually expressed in feet above a flood level for purposes of floodplain management. "Freeboard" tends to compensate for the many unknown factors that could contribute to flood heights greater than the height calculated for a selected size flood and floodway conditions, such as wave action, blockage of bridge or culvert openings, and the hydrological effect of urbanization of the watershed.
PNode has the meaning set forth in the CAISO Tariff.
Sailboat means the same as that term is defined in Section 73-18-2.
L.S.D. means lysergic acid diethylamide.
GATS means the General Agreement on Trade in Services in Annex 1B to the WTO Agreement;