清空筛选条件
清空筛选条件

How to integrate a bivariate function over 1 dimension?

2 次查看（过去 30 天）
jlr
jlr 2019-4-27
评论： jlr 2019-4-28
I have a bivariate normal pdf that I wold like to integrate over only 1 dimension. Does anyone have advice on how to do this? Thank you!

请先登录，再回答此问题。

采纳的回答

Walter Roberson
Walter Roberson 2019-4-27
syms x y rho ux uy real
syms sx sx positive
syms pi
assume(-1 <= rho & rho <= 1)
f = 1/(2*pi*sx*sy*sqrt(1-rho^2)) * exp(-1/(2*(1-rho^2))*((x-ux)^2/sx^2 + (y-uy)^2/sy^2 - 2*rho*(x-ux)*(y-uy)/(sx*sy)))
pretty(f)
result = int(f,x,-inf,inf)

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Symbolic Math Toolbox 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by