,1,This video discusses special cases/situations that could occur while solving linear programming problems. Note that at 0:51, 2x + 6y = 2(x + 3y) and not ½(x + 3y)
• Alternative optimal solutions
• Infeasibility
• Unboundedness, and
• Redundancy.
Linear Programming 1: Graphical Solution -Extreme/Corner Points
https://youtu.be/0TD9EQcheZM
Linear Programming 2: Graphical Solution - Minimization
https://youtu.be/pP0Qag694Go
Linear Programming 3: Graphical Solution – with negative coefficients
https://youtu.be/hNqLAwyhT-4
Linear Programming 4: Slack/Surplus, Binding Constraints, Standard Form
https://youtu.be/4hp0mJgzmgc
