implicit function
function defined by a relation of the form 𝑅(𝑥,𝑦)=0, where 𝑅 is a function of several variables and there is a unique 𝑦 that satisfies the relation for every 𝑥
en-US/ɪmˈplɪsɪt ˈfʌŋkʃən/
en-GB/ɪmˈplɪsɪt ˈfʌŋkʃn/
function defined by a relation of the form 𝑅(𝑥,𝑦)=0, where 𝑅 is a function of several variables and there is a unique 𝑦 that satisfies the relation for every 𝑥