An infeasible linear system

The system of 3 equations in 2 unknowns

    \[\begin{aligned} 3 x_1+4.5 x_2 & =1, \\ 2 x_1+1.2 x_2 & =-3.2, \\ -0.1 x_1+8.2 x_2 & =1.5, \end{aligned}\]

can be written as A x=y, where A is the 3 \times 2 matrix

    \[A=\left(\begin{array}{cc} 3 & 4.5 \\ 2 & 1.2 \\ -0.1 & 8.2 \end{array}\right)\]

and y is the 3 -vector

    \[y=\left(\begin{array}{c} 1 \\ -3.2 \\ 1.5 \end{array}\right)\]

License

Hyper-Textbook: Optimization Models and Applications Copyright © by L. El Ghaoui. All Rights Reserved.

Share This Book