Изменения

Ковариация есть [[Функциональный анализ#12..09.D0.9E.D0.BF.D1.80.D0.B5.D0.B4.D0.B5.D0.BB.D0.B5.D0.BD.D0.B8.D0.B5_.D1.81.D0.BA.D0.B0.D0.BB.D1.8F.D1.80.D0.BD.D0.BE.D0.B3.D0.BE_.D0.BF.D1.80.D0.BE.D0.B8.D0.B7.D0.B2.D0.B5.D0.B4.D0.B5.D0.BD.D0.B8.D1.8F.2C_.D1.80.D0.B0.D0.B2.D0.B5.D0.BD.D1.81.D1.82.D0.B2.D0.BE_.D0.BF.D0.B0.D1.80.D0.B0.D0.BB.D0.BB.D0.B5.D0.BB.D0.BE.D0.B3.D1.80.D0.B0.D0.BC.D0.BC.D0.B0.2C_.D0.BD.D0.B5.D1.80.D0.B0.D0.B2.D0.B5.D0.BD.D1.81.D1.82.D0.B2.D0.BE_.D0.A8.D0.B2.D0.B0.D1.80.D1.86.D0.B0.|скалярное произведение]] двух случайных величин