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Levart [38]
3 years ago
11

Consider the following five constraints x1 + 2x2 ≤ 3, x1 − x2 ≥ 0, 2x1 + x2 ≤ 3, x1 + 5x2 ≤ 6, x1 − 2x2 ≥ −1. (a) Sketch the fea

sible region and find the degenerate vertex x0. (b) How many possible working sets are there at x0? (c) Suppose that we wish to minimize x1 + x2 subject to these constraints, starting at x0 and using the simplex method. Find a working set A0 for which the Lagrange multiplier vector λ (the solution of AT 0 λ = c) contains at least one negative component λs, but the simplex search direction satisfying A0p = es is not a feasible descent direction. Draw a picture showing p emanating from x0. What are the blocking constraints? (d) Under the same conditions as in part (c), find a working set A¯ 0 for which the Lagrange multiplier vector contains at least one negative component, but the associated search direction ¯p is a feasible descent direction. Draw a picture showing ¯p emanating from x0. (e) Can you find a feasible descent direction at x0 if we wish instead to minimize −x1 − x2? Explain your answer.
Business
1 answer:
chubhunter [2.5K]3 years ago
6 0

Answer:

Answer for the question:

Consider the following five constraints x1 + 2x2 ≤ 3, x1 − x2 ≥ 0, 2x1 + x2 ≤ 3, x1 + 5x2 ≤ 6, x1 − 2x2 ≥ −1. (a) Sketch the feasible region and find the degenerate vertex x0. (b) How many possible working sets are there at x0? (c) Suppose that we wish to minimize x1 + x2 subject to these constraints, starting at x0 and using the simplex method. Find a working set A0 for which the Lagrange multiplier vector λ (the solution of AT 0 λ = c) contains at least one negative component λs, but the simplex search direction satisfying A0p = es is not a feasible descent direction. Draw a picture showing p emanating from x0. What are the blocking constraints? (d) Under the same conditions as in part (c), find a working set A¯ 0 for which the Lagrange multiplier vector contains at least one negative component, but the associated search direction ¯p is a feasible descent direction. Draw a picture showing ¯p emanating from x0. (e) Can you find a feasible descent direction at x0 if we wish instead to minimize −x1 − x2? Explain your answer.

is given in the attachment.

Explanation:

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<h3>What is municipal included Development Planning?</h3>

An Integrated Development Plan is a notable plan for a place that offers a normal framework for improvement.

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Which of the statements below concerning a sole proprietorship is true?
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The answer is: D) It is easy to create a sole proprietorship.

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The government of country a has determined there is a coal shortage based on mining reports. as a result of these data, the gove
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A revenue tariff is designed to assist more efficient domestic producers, whereas a protective tariff is designed to promote imp
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Answer:

False

Explanation:

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Suppose that an investor with a 10-year investment horizon is considering purchasing a 20-year 8% coupon bond selling for $900.
leonid [27]

Answer:

8.67%

Explanation:

PMT (Semi-annual coupon) = par value*coupon rate/2 = 1,000*8%/2 = 40

N (No of coupons paid) = 10*2 = 20

Rate (Semi-annual reinvestment rate) = 7%/2 = 3.5%

Future value of reinvested coupons = FV(PMT, N, Rate)

Future value of reinvested coupons = FV(40, 20, 3.5%)

Future value of reinvested coupons = $1,131.19

FV = 1,000

PMT (Semi-annual coupons) = 40

N (No of coupons pending) = 10*2 = 20

Rate (Semi-annual YTM) = 9%/2 = 4.5%

Price of the bond after 10 years = PV(FV, PMT, N, RATE)

Price of the bond after 10 years = PV(1000, 40, 20, 4.5%)

Price of the bond after 10 years = $934.96

Total amount after 10 years = Future value of reinvested coupons + Price of the bond after 10 years

Total amount after 10 years = $1,131.19 + $934.96

Total amount after 10 years = $2,066.15

Amount invested (Price of the bond now) = $900.

Total Annual Return = [(Total amount after 10 years / Amount invested)^(1/holding period)] -1

Total Annual Return = [($2,066.15/$900)^(1/10)] -1

Total Annual Return = [2.295722^0.1] - 1

Total Annual Return = 1.08665561792 - 1

Total Annual Return = 0.08665561792

Total Annual Return = 8.67%

7 0
3 years ago
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