Introductory Mathematics for Engineering Applications
1st Edition
ISBN: 9781118141809
Author: Nathan Klingbeil
Publisher: WILEY
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Chapter 3, Problem 26P
To determine
The values of
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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
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に
dz.
You must check all of the conditions of any results that you use.
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L
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ཙ
x sin(Tx)
x²+2x+5
da.
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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)
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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.
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3. (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))~
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Is this consistent with Schur's lemma?
Chapter 3 Solutions
Introductory Mathematics for Engineering Applications
Ch. 3 - A laser range finder records the distance from the...Ch. 3 - The eyes of a 7 ft 4 in. player are 82 in. from...Ch. 3 - Repeat problem P3-2 if the player’s height is 72...Ch. 3 - To calculate the property tax, a city hires a coop...Ch. 3 - The same coop student calculates the area of lot 2...Ch. 3 - A laser beam is directed through a small hole in...Ch. 3 - A truss structure consists of three isosceles...Ch. 3 - A rocket takes off from a launch pad located l=500...Ch. 3 - Repeat problem P3-18 if l=300 m and d=500 m.Ch. 3 - A one-link planar robot moves in the x -y plane as...
Ch. 3 - A one-link planar robot moves in the x -y plane as...Ch. 3 - A one-link planar robot mines in the x -y plane as...Ch. 3 - A one-link planar robot mines in the x -y plane as...Ch. 3 - Consider the one-link planar robot shown in Fig....Ch. 3 - Repeat problem P3-14 if l=10 in, and =150 rad =23...Ch. 3 - Consider again the one-link planar robot shown in...Ch. 3 - Repeat problem P3-16 if...Ch. 3 - Prob. 18PCh. 3 - Suppose that the two-link planar robot Shown in...Ch. 3 - Suppose that the two-link planar robot Shown in...Ch. 3 - Prob. 21PCh. 3 - Prob. 22PCh. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - Prob. 25PCh. 3 - Prob. 26PCh. 3 - Consider a two-link planar robot oriented in the...Ch. 3 - An airplane travels at a heading of 600 northwest...Ch. 3 - A Large barge is crossing a river at a heading of...Ch. 3 - The impedance triangle of a resistor (R ) an...Ch. 3 - The impedance triangle of a resistor (R ) and a...Ch. 3 - The impedance triangle of a resistor (R ) an...Ch. 3 - The impedance triangle of a resistor (R ) and a...Ch. 3 - The phasor diagram of a series RL circuit is shown...Ch. 3 - The phasor diagram of a series RC circuit is shown...Ch. 3 - Prob. 36PCh. 3 - Consider the elevation between the two benchmarks...Ch. 3 - Repeat problem P3-37 if the distance L, between...Ch. 3 - Consider the elevation between the two benchmarks...Ch. 3 - Repeat problem P3-39 if the distance L between the...Ch. 3 - To find the height of a building, a surveyor...Ch. 3 - The gas boron trifluoride (BF3) has a trigonal...Ch. 3 - Prob. 43PCh. 3 - Repeat P3-43 if the force exerted by the...Ch. 3 - Consider the position of the toes of a person...Ch. 3 - In a motion capture study of a runner, one frame...
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