{"version":"1.0","type":"link","title":"Sign function - Newikis","description":"In mathematics, the sign function or signum function (from signum, Latin for \"sign\") is a function that has the value −1, +1 or 0 according to whether the sign of a given real number is positive or negative, or the given number is itself zero. In mathematical notation the sign function is often…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/4/4f/Signum_function.svg/1280px-Signum_function.svg.png","thumbnail_width":1280,"thumbnail_height":1027}