Terms for subject Mathematics containing function equation

English	Russian
equation in trigonometric functions	уравнение по тригонометрическим функциям
equation is satisfied for function f	функция f удовлетворяет уравнению (ptraci)
putting these functions in 1 yields the requirement that the equation be satisfied exactly at the collocation points	точка коллокации
these quasilinear equations take the general form of 1 or 2, but have coefficients which are also functions of x	общего вида
this a system of two second-order elliptic equations in two unknown functions	относительно ... неизвестных