- nondiagonal element
- недиагональный элемент (матрицы)
Англо-русский словарь по экономике и финансам. — М.: Экономическая школа. А.В. Аникин, И.М. Оседчая, Б.Г. Федоров. 1993.
Англо-русский словарь по экономике и финансам. — М.: Экономическая школа. А.В. Аникин, И.М. Оседчая, Б.Г. Федоров. 1993.
Coxeter group — In mathematics, a Coxeter group, named after H.S.M. Coxeter, is an abstract group that admits a formal description in terms of mirror symmetries. Indeed, the finite Coxeter groups are precisely the finite Euclidean reflection groups; the symmetry … Wikipedia
Ritz method — In physics, the Ritz method is a variational method named after Walter Ritz.In quantum mechanics, a system of particles can be described in terms of an energy functional or Hamiltonian, which will measure the energy of any proposed configuration… … Wikipedia