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# Let A = D E = d1 d2 . . . dn e1 e2 . . . en and b = b1 b2 ... b2n Use the normal ISBN: 9780136009290 436

## Solution for problem 2 Chapter 7.7

Linear Algebra with Applications | 8th Edition

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Problem 2

Let A = D E = d1 d2 . . . dn e1 e2 . . . en and b = b1 b2 ... b2n Use the normal equations to find the solution x to the least squares problem.

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Week 5 Chapter 4 Example: Five Card stud; find p(we are dealt a pair) ­ There are 4 of each card ­ Pair: meaning exactly two 7’s and then the other three cards don’t match one another ~because that would mean a full house or two pairs ­ Sample space= number of 5 card hands o =( ) = 52! / 5!47! = 2,598,960...

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##### ISBN: 9780136009290

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