求下面線性規(guī)劃問(wèn)題的對(duì)偶問(wèn)題
求下面線性規(guī)劃問(wèn)題的對(duì)偶問(wèn)題
maxZ=x1+x2+2x3+x4
2x1+3x2+x3-x4≤5
x1-x2+6x3+x4≥7
x1+x2= -4
x1,x3≥0,x2≤0,x4無(wú)約束
馬上要考試落.
求下面線性規(guī)劃問(wèn)題的對(duì)偶問(wèn)題
maxZ=x1+x2+2x3+x4
2x1+3x2+x3-x4≤5
x1-x2+6x3+x4≥7
x1+x2= -4
x1,x3≥0,x2≤0,x4無(wú)約束
maxZ=x1+x2+2x3+x4
2x1+3x2+x3-x4≤5
x1-x2+6x3+x4≥7
x1+x2= -4
x1,x3≥0,x2≤0,x4無(wú)約束
馬上要考試落.
求下面線性規(guī)劃問(wèn)題的對(duì)偶問(wèn)題
maxZ=x1+x2+2x3+x4
2x1+3x2+x3-x4≤5
x1-x2+6x3+x4≥7
x1+x2= -4
x1,x3≥0,x2≤0,x4無(wú)約束
其他人氣：298 ℃時(shí)間：2020-05-20 04:36:11
優(yōu)質(zhì)解答
min w=5*y1 + 7*y2 - 4*y3s.t. 2*y1 +y2 +y3 ≥ 1 3*y1 - y2 +y3 ≤1y1 + 6*y2≥2-y1+y2=1 y1≥0, y2...1. 看x3的列向量，關(guān)系符號(hào)看x3≥0（這里方向相同）；2. 看原問(wèn)題中三個(gè)約束的關(guān)系符號(hào)（這里取反方向）。
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