Errata (corrected at the indicated time in the above texts):
 April 29, 1 PM, 2010: Exam 1, Problem 5: [2,1,4] instead of [1,2,4], Problem 8, w2=[1,1,2]/sqrt(6) Problem 10a term missing.
Thanks to Mishal Rahman for the corrections.
 May 1, 8 AM, 2010: Exam 1: Problem 10 c). "t"s missing in the solution. Thanks to Willie Yao for the correction.
 May 1, 2 PM, 2010: Exam 1: Problem 5). IN the formula for the least square solution, an additional A has slipped in. The
actual solution does not use it. Thanks to Han Yan for pointing this out.
 May 2, 2 PM, 2010, Exam 3, Problem 8), Second column last entry of S is zero. Thanks to Riju Agrawal for the correction
 May 2, 6 PM, 2010, Exam 1, TF Problem 4. f(x)=x should be changed to f(x)=x^{2} in order to have a counter example.
Thanks to Matthias Wickenburg.
 May 3, 7 AM, 2010, Exam 1, TF Problem 13 bad explanation. Could use T(2 I)) = 2 T(I) is not true.
Thanks to Phillip Yao
 May 3, 10 PM, 2010, Exam 5, Problem 13, signs under the square root
should all be positive. Thanks to Riju Agrawal.
 May 5, 7 AM, 2010, Exam 4, Problem 8, eigenvalues and eigenvectors mismatch. Final result is ok. Thanks to
Sarvagna Patel
 May 5, 7 AM, 2010, Exam 6, Problem 14, a cosh should have been cos. Thanks to Lee Seligman and Pim Valantagul.
 May 5, 11 AM, 2010, Exam 3, Problem 3e) a minus sign in the coefficient of w1. Thanks to Christine Shrock.
 May 5, 11:50 PM, 2010, Exam 4, Problem TF18. The matrix should have a 1
in the upper right corner. Thanks to Arjun Nandkishore.
 May 6, 6 PM, 2010, Exam 1, Problem 13, one Sin(ny) should have been sin(my). Thanks to Talya Fox
 May 6, 9 PM, 2010, Exam 1, Problem 10c) a t missing in a cos term. Thanks to Rekha AugusteNelson
 May 6, 9 PM, 2010, Exam 1, Problem 12a) signs missing in simplification of Fourier exponents. Thanks to Riju Agrawal.
 May 7, 8 AM, 2010, Exam 2, TF 17, we have to assume that the diagonal entries are positive. Thanks to Lee Seligman.
 May 7, 12 AM, 2010, Exam 6, Problem 2c, The eigenvalues are 4,1. Thanks to Riju Agrawal.
