It's a simple problem, but I just want to do it so you get used to working with vectors.

这是个简单的问题,但我还是想做一下好让你们习惯矢量运算

耶鲁公开课 - 基础物理课程节选

This seems to work for vectors.

这在矢量运算中仍然适用

耶鲁公开课 - 基础物理课程节选

I think that book will give you all the basic principles you need in calculus of one variable, more variables, elementary complex numbers, maybe solving some problems with vectors and so on, which you're going to get into.

我想那本书会给你所需的所有基本知识,包括一元和多元微积分,简单的复数运算,可以解决一些与矢量有关的问题,而这正是你们将要学的

耶鲁公开课 - 基础物理课程节选