X1+X5=2或X1+X5=0或X1=1,X2=0在LINGO中应怎样输入

X1+X5=2或X1+X5=0或X1=1,X2=0在LINGO中应怎样输入 解一道方程组x1+x2+x3=5,x2+x3+x4=1,x3+x4+x5=-5,x4+x5+x1=-3,x5+x1+x2=2 求解线性方程组 x1-2x2+3x3-x4-x5=2 x1+x2-x3+x4-2x5=1 2x1-求解线性方程组x1-2x2+3x3-x4-x5=2x1+x2-x3+x4-2x5=12x1-x2+x3-2x5=22x1+2x2-5x3+2x4-x5=5 x1-x2+x3=1 x2-x3+x4=2 x3-x4+x5=3 x4-x5+x1=4 x5-x1+x2=5 求x1,x2,x3,x4,x5 X1 - X3 - X4 -5X5=0 X1+2X2+3X3+3X4+7X5=0 X1+X2+X3+X4+X5=0 X2+2X3+2X4+6X5=0 x1+x2+x3+x4+x5=2006,求x1^2+x2^2+x3^2+x4^2+x5^2最大值?x1,x2,x3,x4,x5均为正整数 线性方程组 x1+x3+x4-x5=1,x2-x3-x4=-1,2x2-x5=0,x1-x3+x4=0帮我解出来 解线性方程组 X1-X2+2X4+X5=0 3X1-3X2+7X4=0 X1-X2+2X3+3X4+2X5=0 2X1-2X2+2X3+7X4-3X5=0 解线性方程组 X1-X2+2X4+X5=0 3X1-3X2+7X4=0 X1-X2+2X3+3X4+2X5=0 2X1-2X2+2X3+7X4-3X5=0 X1-2X2-X3+X4=02X1+X2-X3+2X4-3X5=03X1-2X2-X3+X4-X5=02X1-5X2+X3-2X4+2X5=0 求非齐次线性方程组的通解x1+3x2+5x3-4x4=1x1+3x2+2x3-2x4+x5=-1x1-2x2+x3-x4-x5=3x1+2x2+x3-x4-x5=3 求下列非齐次线性方程组的通解(1)｛x1+x2+x3+x4+x5=2；x1+2x2-4x5=-2；x1+2x3+2x4+6x5=6；4x1+5x2+3x3+3x4-x5=4｝(2)｛x1-x2+5x3-x4=1；x1+x2-2x3+3x4=1；2x1+3x3+2x4=2；2x1+4x2-11x3+10x4=2｝(3)｛x1+x2+x3+x4+x5=1；3x1+2x2+x3+x4-3x5=0 若X1-X5满足下列方程组2乘X1 +X2+X3+X4+X5=6X1+ 2乘X2 +X3+X4+X5=12X1+X2+ 2乘X3 +X4+X5=24X1+X2+X3+ 2乘X4 +X5=48X1+X2+X3+X4+ 2乘X5 =96求3乘X4+X5的值. matlab 求解非线性约束方程f(x)min=0.785*x3*((x1-0.03*x1*x5-x2)^2-(x6+10+0.03*x1*x5)^2*10-(x4)^2)+0.97*x1*x3*x5 %目标函数g1(x)=0.45-x5 设x1,x2,x3,x4,x5是自然数,且满足x1+x2+x3+x4+x5=x1*x2*x3*x4*x5,试求x5的最大值 已知正整数x1 、 x2 、x3 、 x4 、 x5、,且x1 + x2 + x3+ x4 + x5= x1 x2 x3 x4 x5.求x5的最大值. 如果自然数X1+X2+X3+X4+X5=X1*X2*X3*X4*X5,那么X5的最大值是 x1-x2+x3=1x2-x3+x4=21若x1,x2,x3,x4,x5满足方程组 x3-x4+x5=3x4-x5+x1=4x5-x1+x2=5求x2 x3 x4的值2已知 x1+x4+x6+x7=39 x2+x4+x5+x7=49 x3+x5+x6+x7=41 x4+x7=13 x5+x7=14 x6+x7=9 x1+x2+x3+x4+x5+x6+x7=9求x7的值若x1,x2,x3,x4,x5满足方程组 x1-x