APM346--2020S > Test 1

past test 2016F problem 2

(1/1)

Yan Zhou:
I believe that in question (a), the equation underlined should be $$-\frac{1}{2}[e^{-\frac{1}{2}(x+t-\tau)^2} + e^{-\frac{1}{2}(x-t+\tau)^2}]$$
The rest is correct.