Elementary Differential Equations
10th Edition
ISBN: 9780470458327
Author: William E. Boyce, Richard C. DiPrima
Publisher: Wiley, John & Sons, Incorporated
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Question
Chapter 3.1, Problem 25P
(a)
To determine
The solution of the initial value problem
(b)
To determine
To graph: The differential equation
(c)
To determine
The smallest value of
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b) Solve the following linear program using the 2-phase simplex algorithm. You should give
the initial tableau, and each further tableau produced during the execution of the
algorithm. If the program has an optimal solution, give this solution and state its
objective value. If it does not have an optimal solution, say why.
maximize ₁ - 2x2+x34x4
subject to 2x1+x22x3x41,
5x1 + x2-x3-×4 ≤ −1,
2x1+x2-x3-34
2,
1, 2, 3, 40.
Suppose we have a linear program in standard equation form
maximize cTx
subject to Ax = b.
x ≥ 0.
and suppose u, v, and w are all optimal solutions to this linear program.
(a) Prove that zu+v+w is an optimal solution.
(b) If you try to adapt your proof from part (a) to prove that that u+v+w
is an optimal solution, say exactly which part(s) of the proof go wrong.
(c) If you try to adapt your proof from part (a) to prove that u+v-w is an
optimal solution, say exactly which part(s) of the proof go wrong.
a) Suppose that we are carrying out the 1-phase simplex algorithm on a linear program in
standard inequality form (with 3 variables and 4 constraints) and suppose that we have
reached a point where we have obtained the following tableau. Apply one more pivot
operation, indicating the highlighted row and column and the row operations you carry
out. What can you conclude from your updated tableau?
x1
x2 x3
81 82
83
84
81
-2 0
1 1 0
0
0
3
82
3 0
-2 0
1
2
0
6
12
1
1
-3
0
0
1
0
2
84
-3 0
2
0
0 -1
1
4
-2 -2 0
11
0
0-4
0
-8
Chapter 3 Solutions
Elementary Differential Equations
Ch. 3.1 - In each of Problems 1 through 8, find the general...Ch. 3.1 - In each of Problems 1 through 8, find the general...Ch. 3.1 - In each of Problems 1 through 8, find the general...Ch. 3.1 - In each of Problems 1 through 8, find the general...Ch. 3.1 - In each of Problems 1 through 8, find the general...Ch. 3.1 - In each of Problems 1 through 8, find the general...Ch. 3.1 - In each of Problems 1 through 8, find the general...Ch. 3.1 - In each of Problems 1 through 8, find the general...Ch. 3.1 - In each of Problems 9 through 16, find the...Ch. 3.1 - In each of Problems 9 through 16, find the...
Ch. 3.1 - In each of Problems 9 through 16, find the...Ch. 3.1 - Prob. 12PCh. 3.1 - Prob. 13PCh. 3.1 - Prob. 14PCh. 3.1 - In each of Problems 9 through 16, find the...Ch. 3.1 - Prob. 16PCh. 3.1 - Prob. 17PCh. 3.1 - Prob. 18PCh. 3.1 - Prob. 19PCh. 3.1 - Prob. 20PCh. 3.1 - Solve the initial value problem y″ − y′ − 2y = 0,...Ch. 3.1 - Solve the initial value problem 4y″ − y = 0, y(0)...Ch. 3.1 - Prob. 23PCh. 3.1 - Prob. 24PCh. 3.1 - Prob. 25PCh. 3.1 - Prob. 26PCh. 3.1 - Prob. 27PCh. 3.1 - Prob. 28PCh. 3.2 - In each of Problems 1 through 6, find the...Ch. 3.2 - In each of Problems 1 through 6, find the...Ch. 3.2 - In each of Problems 1 through 6, find the...Ch. 3.2 - In each of Problems 1 through 6, find the...Ch. 3.2 - In each of Problems 1 through 6, find the...Ch. 3.2 - In each of Problems 1 through 6, find the...Ch. 3.2 - In each of Problems 7 through 12, determine the...Ch. 3.2 - In each of Problems 7 through 12, determine the...Ch. 3.2 - In each of Problems 7 through 12, determine the...Ch. 3.2 - In each of Problems 7 through 12, determine the...Ch. 3.2 - In each of Problems 7 through 12, determine the...Ch. 3.2 - In each of Problems 7 through 12, determine the...Ch. 3.2 - Verify that y1(t) = t2 and y2(t) = t−1 are two...Ch. 3.2 - Verify that y1(t) = 1 and y2(t) = t1/2 are...Ch. 3.2 - Show that if y = φ(t) is a solution of the...Ch. 3.2 - Can y = sin(t2) be a solution on an interval...Ch. 3.2 - If the Wronskian W of f and g is 3e4t, and if f(t)...Ch. 3.2 - Prob. 18PCh. 3.2 - If W(f, g) is the Wronskian of f and g, and if u =...Ch. 3.2 - If the Wronskian of f and g is t cos t − sin t,...Ch. 3.2 - Assume that y1 and y2 are a fundamental set of...Ch. 3.2 - Prob. 22PCh. 3.2 - Prob. 23PCh. 3.2 - Prob. 24PCh. 3.2 - Prob. 25PCh. 3.2 - Prob. 26PCh. 3.2 - Prob. 27PCh. 3.2 - Prob. 28PCh. 3.2 - Prob. 29PCh. 3.2 - Prob. 30PCh. 3.2 - Prob. 31PCh. 3.2 - Prob. 32PCh. 3.2 - Prob. 33PCh. 3.2 - Prob. 34PCh. 3.2 - Prob. 35PCh. 3.2 - If the Wronskian of any two solutions of y″ +...Ch. 3.2 - Prob. 37PCh. 3.2 - Prob. 38PCh. 3.2 - Prob. 39PCh. 3.2 - Prob. 40PCh. 3.2 - Prob. 41PCh. 3.2 - Prob. 42PCh. 3.2 - Prob. 43PCh. 3.2 - Prob. 44PCh. 3.2 - Prob. 45PCh. 3.2 - Prob. 46PCh. 3.2 - Prob. 47PCh. 3.2 - Prob. 48PCh. 3.2 - Prob. 49PCh. 3.2 - Prob. 50PCh. 3.2 - Prob. 51PCh. 3.3 - In each of Problems 1 through 6, use Euler’s...Ch. 3.3 - In each of Problems 1 through 6, use Euler’s...Ch. 3.3 - In each of Problems 1 through 6, use Euler’s...Ch. 3.3 - In each of Problems 1 through 6, use Euler’s...Ch. 3.3 - In each of Problems 1 through 6, use Euler’s...Ch. 3.3 - In each of Problems 1 through 6, use Euler’s...Ch. 3.3 - In each of Problems 7 through 16, find the general...Ch. 3.3 - In each of Problems 7 through 16, find the general...Ch. 3.3 - In each of Problems 7 through 16, find the general...Ch. 3.3 - In each of Problems 7 through 16, find the general...Ch. 3.3 - Prob. 11PCh. 3.3 - Prob. 12PCh. 3.3 - In each of Problems 7 through 16, find the general...Ch. 3.3 - Prob. 14PCh. 3.3 - Prob. 15PCh. 3.3 - Prob. 16PCh. 3.3 - Prob. 17PCh. 3.3 - Prob. 18PCh. 3.3 - Prob. 19PCh. 3.3 - Prob. 20PCh. 3.3 - In each of Problems 17 through 22, find the...Ch. 3.3 - In each of Problems 17 through 22, find the...Ch. 3.3 - Prob. 23PCh. 3.3 - Prob. 24PCh. 3.3 - Prob. 25PCh. 3.3 - Prob. 26PCh. 3.3 - Prob. 27PCh. 3.3 - Prob. 28PCh. 3.3 - Prob. 29PCh. 3.3 - Prob. 30PCh. 3.3 - Prob. 31PCh. 3.3 - Prob. 32PCh. 3.3 - Prob. 33PCh. 3.3 - Prob. 34PCh. 3.3 - Prob. 35PCh. 3.3 - Prob. 36PCh. 3.3 - Prob. 37PCh. 3.3 - Prob. 38PCh. 3.3 - Prob. 39PCh. 3.3 - Prob. 40PCh. 3.3 - Prob. 41PCh. 3.3 - Prob. 42PCh. 3.3 - Prob. 43PCh. 3.3 - Prob. 44PCh. 3.3 - Prob. 45PCh. 3.3 - Prob. 46PCh. 3.4 - In each of Problems 1 through 10, find the general...Ch. 3.4 - Prob. 2PCh. 3.4 - Prob. 3PCh. 3.4 - Prob. 4PCh. 3.4 - Prob. 5PCh. 3.4 - Prob. 6PCh. 3.4 - Prob. 7PCh. 3.4 - Prob. 8PCh. 3.4 - Prob. 9PCh. 3.4 - Prob. 10PCh. 3.4 - In each of Problems 11 through 14, solve the given...Ch. 3.4 - Prob. 12PCh. 3.4 - Prob. 13PCh. 3.4 - Prob. 14PCh. 3.4 - Prob. 15PCh. 3.4 - Prob. 16PCh. 3.4 - Prob. 17PCh. 3.4 - Consider the initial value problem
9y″ + 12y′ + 4y...Ch. 3.4 - Prob. 19PCh. 3.4 - Prob. 20PCh. 3.4 - Prob. 21PCh. 3.4 - Prob. 22PCh. 3.4 - Prob. 23PCh. 3.4 - Prob. 24PCh. 3.4 - Prob. 25PCh. 3.4 - Prob. 26PCh. 3.4 - Prob. 27PCh. 3.4 - Prob. 28PCh. 3.4 - Prob. 29PCh. 3.4 - Prob. 30PCh. 3.4 - Prob. 31PCh. 3.4 - The method of Problem 20 can be extended to second...Ch. 3.4 - In each of Problems 33 through 36, use the method...Ch. 3.4 - Prob. 34PCh. 3.4 - Prob. 35PCh. 3.4 - Prob. 36PCh. 3.4 - Prob. 37PCh. 3.4 - Prob. 38PCh. 3.4 - Prob. 39PCh. 3.4 - Euler Equations. In each of Problems 40 through...Ch. 3.4 - Prob. 41PCh. 3.4 - Prob. 42PCh. 3.4 - Prob. 43PCh. 3.4 - Prob. 44PCh. 3.4 - Prob. 45PCh. 3.5 - In each of Problems 1 through 14, find the general...Ch. 3.5 - In each of Problems 1 through 14, find the general...Ch. 3.5 - In each of Problems 1 through 14, find the general...Ch. 3.5 - Prob. 4PCh. 3.5 - Prob. 5PCh. 3.5 - Prob. 6PCh. 3.5 - Prob. 7PCh. 3.5 - In each of Problems 1 through 14, find the general...Ch. 3.5 - Prob. 9PCh. 3.5 - Prob. 10PCh. 3.5 - In each of Problems 1 through 14, find the general...Ch. 3.5 - Prob. 12PCh. 3.5 - Prob. 13PCh. 3.5 - Prob. 14PCh. 3.5 - Prob. 15PCh. 3.5 - Prob. 16PCh. 3.5 - In each of Problems 15 through 20, find the...Ch. 3.5 - Prob. 18PCh. 3.5 - Prob. 19PCh. 3.5 - Prob. 20PCh. 3.5 - Prob. 29PCh. 3.5 - Prob. 30PCh. 3.5 - Prob. 31PCh. 3.5 - Prob. 32PCh. 3.5 - Prob. 33PCh. 3.5 - Prob. 34PCh. 3.5 - Prob. 35PCh. 3.5 - Prob. 36PCh. 3.5 - Prob. 37PCh. 3.5 - Prob. 38PCh. 3.5 - Prob. 39PCh. 3.6 - In each of Problems 1 through 4, use the method of...Ch. 3.6 - Prob. 2PCh. 3.6 - Prob. 3PCh. 3.6 - Prob. 4PCh. 3.6 - Prob. 5PCh. 3.6 - Prob. 6PCh. 3.6 - Prob. 7PCh. 3.6 - Prob. 8PCh. 3.6 - Prob. 9PCh. 3.6 - Prob. 10PCh. 3.6 - Prob. 11PCh. 3.6 - Prob. 12PCh. 3.6 - Prob. 13PCh. 3.6 - Prob. 14PCh. 3.6 - Prob. 15PCh. 3.6 - Prob. 16PCh. 3.6 - Prob. 17PCh. 3.6 - Prob. 18PCh. 3.6 - Prob. 19PCh. 3.6 - Prob. 20PCh. 3.6 - Prob. 21PCh. 3.6 - Prob. 22PCh. 3.6 - Prob. 23PCh. 3.6 - Prob. 24PCh. 3.6 - Prob. 25PCh. 3.6 - Prob. 26PCh. 3.6 - Prob. 27PCh. 3.6 - Prob. 28PCh. 3.6 - Prob. 29PCh. 3.6 - Prob. 30PCh. 3.6 - Prob. 31PCh. 3.6 - Prob. 32PCh. 3.7 - In each of Problems 1 through 4, determine ω0, R,...Ch. 3.7 - Prob. 2PCh. 3.7 - Prob. 3PCh. 3.7 - Prob. 4PCh. 3.7 - Prob. 5PCh. 3.7 - Prob. 6PCh. 3.7 - Prob. 7PCh. 3.7 - Prob. 8PCh. 3.7 - Prob. 9PCh. 3.7 - Prob. 10PCh. 3.7 - Prob. 11PCh. 3.7 - Prob. 12PCh. 3.7 - Prob. 13PCh. 3.7 - Prob. 14PCh. 3.7 - Prob. 15PCh. 3.7 - Prob. 16PCh. 3.7 - Prob. 17PCh. 3.7 - Prob. 18PCh. 3.7 - Prob. 19PCh. 3.7 - Prob. 20PCh. 3.7 - Prob. 21PCh. 3.7 - Prob. 22PCh. 3.7 - Prob. 23PCh. 3.7 - Prob. 24PCh. 3.7 - Prob. 26PCh. 3.7 - Prob. 27PCh. 3.7 - Prob. 28PCh. 3.7 - Prob. 29PCh. 3.7 - Prob. 30PCh. 3.7 - Prob. 31PCh. 3.8 - Prob. 1PCh. 3.8 - Prob. 2PCh. 3.8 - Prob. 3PCh. 3.8 - Prob. 4PCh. 3.8 - Prob. 5PCh. 3.8 - Prob. 6PCh. 3.8 - Prob. 7PCh. 3.8 - Prob. 8PCh. 3.8 - Prob. 9PCh. 3.8 - Prob. 10PCh. 3.8 - Prob. 11PCh. 3.8 - Prob. 12PCh. 3.8 - Prob. 14PCh. 3.8 - Prob. 15PCh. 3.8 - Prob. 16P
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