2/5x2/10+9/10x0.4-2除以5x1/10,
2/5x2/10+9/10x0.4-2除以5x1/10,
min f(x)=4(x1-5)^2+(x2-6)^2 取初始点 x0=(8,9)T,f(x0)=45 matlab 编
用图解法求线性规划?max z = x1+3x2 5x1+10x≤50 X1+X2≥1 X2≤4 X1,X2≥0
求齐次线性方程组{X1+X2+3X3+2X4=0 2X1+3X2+X3-X4=0 5X1+6X2+10X3+5X4=0}
设x1、x2是方程x2-x-4=0的两根,求(x1)3+5(x2)2+10的值
m-X1^2/4=X1/2(X0-X1)
简便计算题3.2X1.25和1.2X25+0.8X2.5简便计算4.8X0.252.33X0.5X41.5X1051.2
a为何值时时,线性方程组{2x1+5x2+5x3+4x4=10 x1+2x2+2x3+x4=3 x1+3x2+3x3+3
设X1,X2是方程X^2-x-4=0的两根,求X1^3+5X2^2+10
设x1,x2是方程x^2+x-4=0的两个实数根,求代数式(x1)^3-5(x2)^2+10的值
用消元法解线性方程X1+2X2+3X3=4 3X1+5X2+7X3=9 2X1+3X2+4X3=5
用消元法解下列非齐次线性方程组(1)4x1+2x2-x3=2 (2)3x1-x2+2x3=10 (3)11x1+3x2=