求微分方程(1-x2)y''-xy'=0的滿(mǎn)足條件y(0)=0,y'(0)=1的特解。
max?f=3x1-2x2-5x3+7x4+8x5,s.t.x2-x3+3x4-4x5=-6,2x1+3x2-3x3-x4≥2,-x1+2x3-2x4≤-5,-2≤x1≤10,5≤x2≤25,