211线性规划标准形式与基本定理 图解法 例max2x1+5 st.x1+2x,≤8 x1≤4 2S3 4 x1≥0,x2≥0 唯一最优解(2,3) C 2007 Fang Weiguo School of economics and management© 2007 Fang Weiguo School of Economics and Management