Electrical Engineers tend to use imaginary numbers quite often for various reasons. The term ‘imaginary’ can be misleading. In algebra II, when I heard that term, I was skeptical about the usefulness of an imaginary quantity. But if you can get over the name, they can be used as a powerful tool in many math, [...]
Archive for category Math
The Problem
Two friends A and B meet every morning at the Grand Central Station around 7 am. Suppose the actual times they arrive are independent and uniformly distributed between 6:55 am and 7:05am. Let Z denote the time between arrivals, i.e. Z = time B arrives – time A arrives (can be negative!).
(a) What is [...]
