Mathematics For Machine Technology
8th Edition
ISBN: 9781337798310
Author: Peterson, John.
Publisher: Cengage Learning,
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Chapter 84, Problem 13A
To determine
Analyze the number
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Theorem:- if A 2×2 prove i-
At = 2 Re(Q)
where
Q₁
=
(A - I)
21-12
Q2 =
(A-2, 1)
72-71
if 21 = 2
Theorem: show that XCH) = M(E) M" (6) E +
t
Mcfic
S
a
Solution of ODE
-9CA)-
x = ACE) x + g (t) + X (E) - E
5. (a) State the Residue Theorem. Your answer should include all the conditions required
for the theorem to hold.
(4 marks)
(b) Let y be the square contour with vertices at -3, -3i, 3 and 3i, described in the
anti-clockwise direction. Evaluate
に
dz.
You must check all of the conditions of any results that you use.
(5 marks)
(c) Evaluate
L
You must check all of the conditions of any results that you use.
ཙ
x sin(Tx)
x²+2x+5
da.
(11 marks)
Chapter 84 Solutions
Mathematics For Machine Technology
Ch. 84 - Prob. 1ACh. 84 - Prob. 2ACh. 84 - Prob. 3ACh. 84 - Prob. 4ACh. 84 - Prob. 5ACh. 84 - Prob. 6ACh. 84 - Prob. 7ACh. 84 - Prob. 8ACh. 84 - Prob. 9ACh. 84 - Analyze the following numbers. 0.802
Ch. 84 - Prob. 11ACh. 84 - Prob. 12ACh. 84 - Prob. 13ACh. 84 - Prob. 14ACh. 84 - Prob. 15ACh. 84 - Prob. 16ACh. 84 - Prob. 17ACh. 84 - Prob. 18ACh. 84 - Prob. 19ACh. 84 - Prob. 20ACh. 84 - Prob. 21ACh. 84 - Prob. 22ACh. 84 - Prob. 23ACh. 84 - Prob. 24ACh. 84 - Prob. 25ACh. 84 - Prob. 26ACh. 84 - Prob. 27ACh. 84 - Prob. 28ACh. 84 - Prob. 29ACh. 84 - Prob. 30ACh. 84 - Prob. 31ACh. 84 - Prob. 32ACh. 84 - Prob. 33ACh. 84 - Prob. 34ACh. 84 - Prob. 35ACh. 84 - Express the following binary numbers as decimal...Ch. 84 - Prob. 37ACh. 84 - Prob. 38ACh. 84 - Prob. 39ACh. 84 - Prob. 40ACh. 84 - Prob. 41ACh. 84 - Prob. 42ACh. 84 - Prob. 43ACh. 84 - Prob. 44ACh. 84 - Prob. 45ACh. 84 - Prob. 46ACh. 84 - Prob. 47ACh. 84 - Prob. 48ACh. 84 - Prob. 49ACh. 84 - Prob. 50ACh. 84 - Prob. 51ACh. 84 - Prob. 52ACh. 84 - Express the following decimal numbers as binary...Ch. 84 - Prob. 54ACh. 84 - Prob. 55ACh. 84 - Prob. 56ACh. 84 - Express the following decimal numbers as binary...
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- 3. (a) Lety: [a, b] C be a contour. Let L(y) denote the length of y. Give a formula for L(y). (1 mark) (b) Let UCC be open. Let f: U→C be continuous. Let y: [a,b] → U be a contour. Suppose there exists a finite real number M such that |f(z)| < M for all z in the image of y. Prove that < ||, f(z)dz| ≤ ML(y). (3 marks) (c) State and prove Liouville's theorem. You may use Cauchy's integral formula without proof. (d) Let R0. Let w € C. Let (10 marks) U = { z Є C : | z − w| < R} . Let f UC be a holomorphic function such that 0 < |ƒ(w)| < |f(z)| for all z Є U. Show, using the local maximum modulus principle, that f is constant. (6 marks)arrow_forward3. (a) Let A be an algebra. Define the notion of an A-module M. When is a module M a simple module? (b) State and prove Schur's Lemma for simple modules. (c) Let AM(K) and M = K" the natural A-module. (i) Show that M is a simple K-module. (ii) Prove that if ƒ € Endд(M) then ƒ can be written as f(m) = am, where a is a matrix in the centre of M, (K). [Recall that the centre, Z(M,(K)) == {a Mn(K) | ab M,,(K)}.] = ba for all bЄ (iii) Explain briefly why this means End₁(M) K, assuming that Z(M,,(K))~ K as K-algebras. Is this consistent with Schur's lemma?arrow_forward(a) State, without proof, Cauchy's theorem, Cauchy's integral formula and Cauchy's integral formula for derivatives. Your answer should include all the conditions required for the results to hold. (8 marks) (b) Let U{z EC: |z| -1}. Let 12 be the triangular contour with vertices at 0, 2-2 and 2+2i, parametrized in the anticlockwise direction. Calculate dz. You must check the conditions of any results you use. (d) Let U C. Calculate Liz-1ym dz, (z - 1) 10 (5 marks) where 2 is the same as the previous part. You must check the conditions of any results you use. (4 marks)arrow_forward
- (a) Suppose a function f: C→C has an isolated singularity at wЄ C. State what it means for this singularity to be a pole of order k. (2 marks) (b) Let f have a pole of order k at wЄ C. Prove that the residue of f at w is given by 1 res (f, w): = Z dk (k-1)! >wdzk−1 lim - [(z — w)* f(z)] . (5 marks) (c) Using the previous part, find the singularity of the function 9(z) = COS(πZ) e² (z - 1)²' classify it and calculate its residue. (5 marks) (d) Let g(x)=sin(211). Find the residue of g at z = 1. (3 marks) (e) Classify the singularity of cot(z) h(z) = Z at the origin. (5 marks)arrow_forward1. Let z = x+iy with x, y Є R. Let f(z) = u(x, y) + iv(x, y) where u(x, y), v(x, y): R² → R. (a) Suppose that f is complex differentiable. State the Cauchy-Riemann equations satisfied by the functions u(x, y) and v(x,y). (b) State what it means for the function (2 mark) u(x, y): R² → R to be a harmonic function. (3 marks) (c) Show that the function u(x, y) = 3x²y - y³ +2 is harmonic. (d) Find a harmonic conjugate of u(x, y). (6 marks) (9 marks)arrow_forwardLet A be a vector space with basis 1, a, b. Which (if any) of the following rules turn A into an algebra? (You may assume that 1 is a unit.) (i) a² = a, b² = ab = ba = 0. (ii) a²=b, b² = ab = ba = 0. (iii) a²=b, b² = b, ab = ba = 0.arrow_forward
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