If you find an error in the book not listed here, please do let us know about it.

These (small) typos will be corrected in the second printing.

• p17, first paragraph. a_n should be a_m.

• p26, exercise 1.10. Missing “the” in “in final”.

• p42, exercise 2.3. “affine function of x” should be “affine function of f”.

• p47, line 8. “fourth” should be “third”.

• p57, paragraph above Verification of triangle inequality. Replace “scalar” with positive scalar.

• p59, table 3.2. The 3,5 entry (for Academy A., Super Bowl) should be 86.1.

• p65, exercise 3.12. Title should be “Nearest point on a line”.

• p78, figure 4.5. Delete “scale” on the y-axis.

• p95, line 2. “This in turns implies” should be “This in turn implies”.

• p99, line 13. i<k should be i<=k.

• p99, line -7. a_1 should be a_i.

• p100, middle. “by conclusion 3” should be “by conclusion 4”.

• p102, middle bottom. “can we can” should be “we can”.

• p117, section 6.3.3, line -6. alpha beta should be beta gamma.

• p121, document scoring: “A in an” should be “A is an”

• p121, Total price from multiple suppliers. Last two mentions of “N” should be“m”.

• p127, exercise 6.18. Add condition m >= n.

• p137, middle. “ie, i-j=k-1” should be “i-j = k+1”.

• p159, exercise 8.1. “f(x)=Gx” should be “g(x)=Gx”.

• p140, in Input-output convolution system. “lengths of u and y, n” should be lengths of u and y, m“. Also, ”for k<0 or k>n’ should be “for k<=0 or k>m”.

• p161, exercise 8.12 (b). w_1=1/2, w_2=1/2 should be w_1=1, w_2=1.

• p170, “t=1,2,3,…” should be “k=1,2,3,…”.

• p170, line -5. “u_t” should be “f_k”.

• p171, “k=250” should be “k=600”.

• p171, “2.5 seconds” should be “6 seconds”.

• p185, line -15. “Ax+b” should be “Az+b”.

• p189, line 3 second equation is missing one term.

• p189, line 7,8 index “t+l-j” should be “t+l”; “time t+l=j” should be “t+1”.

• p191, exercise 10.4. “four” should “five”.

• p191, exercise 10.5. b should be b^T.

• p193, exercise 10.16 (c). N should be n; also “correlation matrix” should be “covariance matrix”.

• p196, exercise 10.32. “It can shown” needs “be”.

• p198, exercise 10.41. z_N should be z_k.

• p202, top equation, righthand side should be (1/2,2/3,-2/3).

• p205. “they called dual bases” should be “they are called dual bases”.

• p205, line -9. Remove two transposes in equation beta = B^Tx = …

• p210, the rows of the matrix A^{-1} are reversed.

• p211, coefficient c_4 should be coefficient c_1, and coef c_2 should be c_3.

• p218, exercise 11.11. “range x=0 to x=6” should be “range t=0 to t=6”.

• p221, first word should be “are”.

• p241, exercise 12.12 add “is” after “placement problem”.

• p242, exercise 12.14 “for” should be capitalized, and part (b), indexes should be k+1, not k.

• p247, equation (13.1). Remove hat from f_j.

• p251, line -12. “dependent” should be “independent”.

• p275, middle of page. Bottom formula (for x_1>1.5) is missing term -1.5 theta_3.

• p259, line -15. “0.98^circ F” should be “1.01^circ F”.

• p262, last line. “test set performance” should be “test set RMS error”.

• p273. f(x) should be f_i(x); add i=1,…,k.

• p280, exercise 13.5, last line. “maps 2-vectors” should be “maps 3-vectors”

• p287, table 14.1, bottom row, second column should be N_{fn}+N_{tn}.

• p293, caption of Table 14.6. “classier” should be “classifier”.

• p300, 4 lines below “Skewed decisions.” Subscript l should be k.

• p301, line 4. hat theta_k should be hat theta_K.

• p302, line 9. “data set” should be “training set”.

• p307, exercise 14.10, part (b). “K(K-1)2 least squares problem” should be “K(K-1)2 least squares problems”.

• p315. “objective it to keep” should be “objective is to keep”.

• p318. line 10, b should be y.

• p329. “cos” should be “sin” in the two displayed equations.

• p368, section 17.2.1. Period after t=1,…,T should be a comma.

• p372, figure 17.7. “constant” should be “linear”.

• p384, Chemical equilibrium, line -9. “generation of the n reactants” should be "generation of the n products”.

• p394, line = -6. pnom = (1,1), dnom = (3,1), snom = (2,2)

• p396, figure 18.8 caption. Missing righthand ) in cost function.

• p402, line 9. “(18.15)” should be “(18.17)”. p422, (19.7). L(x,mu) should be L(x,z).

• p429. “constrained least problem” should be “constrained nonlinear least squares problem”.

• p441. “C is m x p” should be “C is n x p” (so the product AC makes sense).

• p448, section C3. In problem statement f(x) should be h(x).

• p449, “but hat x” should be “but x”.

• p449, third displayed equation. nabla (gradient) symbol missing between z_hat_p and g_p.