Recent content by pinki82

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    Using Simplex Method to Obtain Dictionary for LP Problem

    For the problem, Max (-5x_1 + 2x_2 + x_3 ) 2x_1 - x_2 + 4x_3 <= 4 x_1 + x_2 + 2x_3 <= 5 -2x_1 + x_2 + x_3 <= -1 x_1, x_2, x_3 >= 0 Obtain the Dictionary corresponding to x*_1 = 1/2 x*_2 = 0 , x*_3 = 0 WORK DONE : Do i solve this using the Simplex Method?? please...
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    Solving system of linear equations

    Find/solve following system of linear equations, 3y_1 + 2y_2 +y_4 = 6 5y_1 - 2y_2 +2y_4 = 5 -2y_1 + y_2 - y_4 = -2 WORK DONE : I am told that the answers are y_1 = 1 and y_2= 1 and y_4 = 1. But i don't understand how to obtain these values... I know how to solve 2 linear...
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    Upper Bound for Optimal Value in Max Problem

    Obtain an upper bound for the optimal value in the following problem; Max (4x_1 + x_2 + 2x_3 + 3x_4 ) 2x_1 - x_2 + x_3 - 2x_4 <= 2 7x_1 + x_2 + 5x_3 + 10x_4 <= 4 2x_1 + 3x_2 - x_3 - x_4 <= 2 x_i >= 0 , i= 1,2,3,4 any hint.help. please. thanks note: >= means > or equal to <= means <...
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    How to understand math Unboundedness

    Max (x_1) x_1 - x_2 <= 1 x_1, x_2 >= 0 is obviously 'Unbounded'. But i don't really understand this.. How do we know that it is Unbounded?? what does it mean by Unboundedness? please help..thanks!
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