Introduction to Applied Optimization - download pdf or read online

By Urmila Diwekar

ISBN-10: 1475737459

ISBN-13: 9781475737455

ISBN-10: 1475737475

ISBN-13: 9781475737479

This publication provides a view of optimization self reliant of any self-discipline. This new version includes new chapters, one on international optimization and one in every of a real-world case learn that makes use of the foundations from every one bankruptcy within the book.

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Example text

Leaving Variable: The variable corresponding to the smallest nonnegative ratio (5 here) is 52. Hence, the leaving variable is 52. So, the Pivot Row is Row 2 and Pivot Column is X2 . 3 and is 1. 4): There is no new entering variable since there are no non-basic variables with a negative coefficient in row O. Therefore, we can assume that the solution is reached, which is given by (from the RHS of each row) Xl = 0; X2 = 5; 51 = 3; 52 = 0; 53 = 9; Z = -5. 3. Basic Ratio RHS 52 53 X2 51 -1 0 0 0 0 -2 =0 -1 -1 0 0 8 51 =-8 5 5 1 0 1 0 52 = 5 -1 0 0 1 None 4 53 = 4 Note that at an optimum, all basic variables coefficient in Row o.

9. e. Xl = 0, = 5. Can Simplex recognize that there are multiple solutions? 2, we stated that in the final Simplex Tableau solution, all basic variables have a zero coefficient in Row O. However, in the optimal tableau, there is a non-basic variable Xl! which also has a zero coefficient. 10). From the ratio test, one can see that 51 would be the leaving variable. 11. 0). Remember that this is also an optimum solution since there are only non-negative coefficients left in Row O. 5, Iteration 3. 5, Iteration 4.

Formulate the problem for profit maximization. Solve this problem using the Simplex. 6 There are many drug manufacturers producing various combinations for a similar ailment. A doctor wishes to prescribe a combination dosage such that the cost is minimal, which could be given to the poor patients. Drug A costs 50 cents, Drug B costs 20 cents, Drug C 30 cents, and Drug D 80 cents per tablet. Daily requirements are 5 mg of Medicine I, 6 mg Medicine 2,10 mg Medicine 3, and 8 mg Medicine 4. 19. Write the prescription that satisfies the medicinal requirements at minimum cost.

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Introduction to Applied Optimization by Urmila Diwekar

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