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Shading to indicate the solution set to a system of two linear ...

I am trying to show graphically the solution to the system of linear inequalities \ begin{equation*} \begin{cases} 7x + 3y \geq 21 \\ -x + 3y < -3 \end{cases} .

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4. Convex optimization problems

linear optimization. • quadratic optimization. • geometric programming. • generalized inequality constraints. • semidefinite programming. • vector optimization.

For more information, see 4. Convex optimization problems