Сборник задач по методам принятия управленческих решений

2.25 L(X) = jc, + 5^2 + 2^3 - + JCj —> max, f3xj +4^2 + ^3 =12, <-X, + ^2 + j:4 = 1, >0, j = l,5. 3X| + 2^2 + Xj + X4 + Xj = 3, 2.26 L(X) = 5x, + X3 - X4 + Xj max, X| - Xj + X3 = 1, •-3Xi + X2 + X4 = 3, x^>0, j = l,5. 2X| + 2X2 + X3 + X4 + 2X5 =12, 2.27 L(X) = 7x, +2xj - X4 + Xj max, -X, + X, + X3 = 2, < 3x, - X2 + X4 = 3, X. > 0, j = 1,5. 5x, + 2X2 + Xj + X4 + Xj = 11, 2.28 ДХ) = X, - 4^2 + X3 + X4 + Xj —^ max, 5X| + 5X2 + X3 + 2X4 + Xj = 28, •-Xi+2X2+ X4 = 2, x^. >0 ,7 = 1,5. 3x| +4x, + X5 = 12, 2.29 L(X) = 8X2 + 2X3 + X4 - Xj —> max, ^~X| 1 2x., I "^3 — 2, • 6x, + 3x, + X3 + X4 + Xj = 20, Xj > 0, j = 1,5. 3X| - 2X2 4- X, = 6, ,42