eigenfunction
ei gen func tion |ˈīgənˌfəNG (k )SHən ˈaɪɡənˌfəŋ (k )ʃən | ▶noun Mathematics & Physics each of a set of independent functions that are the solutions to a given differential equation.
eigen |func ¦tion |ˈʌɪgənˌfʌn (k )ʃ (ə )n | ▶noun Mathematics & Physics each of a set of independent functions which are the solutions to a given differential equation.