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.

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