Question: 3. Consider the following dictionary which arises in solving a problem using the self-dual simplex method. = -3 -(-1+2u)21 (3 u)x3 X2 = -1+u+ X4

3. Consider the following dictionary which arises

3. Consider the following dictionary which arises in solving a problem using the self-dual simplex method. = -3 -(-1+2u)21 (3 u)x3 X2 = -1+u+ X4 = -4+34 + 3.21 - X1 T3 2x3 X3 = 2 + X1 + 13 (a) For which values of u is the current dictionary optimal? (b) For the next pivot in the self-dual simplex method, identify the entering and the leaving variable. Justify your

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