What is another word for integral equation?
Pronunciation: [ˈɪntɪɡɹə͡l ɪkwˈe͡ɪʒən] (IPA) 
An integral equation can be referred to as a functional equation, which is an equation where the unknown function is defined by an integral. Another synonym for an integral equation is an integral algebraic equation, which is a combination of an integral and algebraic equation. An equation that combines differential and integral operators is called a Fredholm equation. Additionally, a boundary integral equation refers to an equation that involves an unknown function depending on its values on the boundary of the region on which the function is defined. Overall, each of these terms is similar in meaning to an integral equation and refers to different types of equations that involve integrals or derivatives.
