in the US, there is a course called advanced calculus or sth like that. to go further, real analysis. it is widely used in econ. statistics is almos t based on it. it benefits you even if you have only a basic taste of it
【在 t****a 的大作中提到】 : in the US, there is a course called advanced calculus or sth like that. : to go further, real analysis. it is widely used in econ. statistics is almos : t based on it. it benefits you even if you have only a basic taste of it