I released a piece of candy, threw it from my hand, and the initial conditions have to do with where did I release it and with what velocity.

我从我的手中抛出一颗糖,初始条件就是,我从什么位置抛出的,以多大速度抛出的

耶鲁公开课 - 基础物理课程节选

Initial position is a pair of numbers.

初始位置是一对数字

耶鲁公开课 - 基础物理课程节选