{"version":"1.0","type":"link","title":"Trigamma function - Newikis","description":"In mathematics, the trigamma function, denoted ψ1(z) or ψ(1)(z), is the second of the polygamma functions, and is defined by","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/0/0a/Psi1.png","thumbnail_width":638,"thumbnail_height":618}