photo

Giuseppe


自 2013 起处于活动状态

Followers: 0   Following: 0

消息

Hi,
I have to solve a multiple integral of the following form:

int int {[int int f(x1,x2, x3, x4) dx4 dx3] - eta}^2 g(x1,x2,eta) dx2 dx3

where the limits of integrations are -inf