佢似係想講 nonstandard analysis 同 hyperreals/dual numbers 其實都好少人睇呢類野,好似係喺d constructive math/ model theory 有d用
人生幾何.2021-11-01 18:18:41
如果冇乜數底就唔好 take topics 好啲,多數大學d topics course 都係 for research masters, 有興趣可以試下 sit 下先。至於要咩底呢啲就要視乎個 course 教咩, 如果想讀 real analysis 就建議先學熟d epsilon delta language, 同埋 Riemann integral 先