【简答题】解下列线性规划问题: (1)min 5x1—6x2 S.t. x1+2x2≤10, 2x1一x2≤5, x1—4x2≤4, x1,x2≥0. (2)min —x1+x2 S.t. 3x1—7x2≥8, x1一x2≤5, x1,x2≥0. (3)min 13x1+5x2 S.t. 7x1+3x2≥19, 10x1+2x2≤11, x1,x2≥0. (4)max 一20x1+10x2 S.t. x1+...
【单选题】If you excel in yzing the future outlook of firms, you would prefer that the financial markets be ____ form efficient so that you can have an advantage in the marketplace.
【简答题】在组距列数中,表示各组界限的变量值叫_______,各组上限与下限之间的中点叫_______。
【简答题】minf(X)=一10x1—6x2 S.t. 2x1+x2≤10 —2x1+3x2≤6 x1,x2≥0
【单选题】Max z=x1 +x2 约束条件: 8x1+6x2 ≥24 4x1+6x2 ≥-12 2x2 ≥4 x1 , x2 ≥0
【简答题】minf(X)=一x1一2x2 s.t. x1+x22一2≤0 x1,x2≥0