I'm working on some integrals of exponential families, but I'm just not sure how the textbook have the followings: 1. How does the first line become the second line? 2. Let The text says only for Why is that?
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Originally Posted by tttcomrader I'm working on some integrals of exponential families, but I'm just not sure how the textbook have the followings: 1. How does the first line become the second line? 2. Let The text says only for Why is that? 1. Integrate wrt x (simple substitution technique - Complete the square, make the substitution, recognise a standard definite integral). 2. Convergence is required.
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