Uses of Slack, Surplus and Artificial variables in LPP

Uses of Slack, Surplus and Artificial variables in LPP. (Apr 2004)

 

Slack variable: It is used o convert a Less than or equal to (≤) constraint into equality to write standard form. It is ADDED to ≤ constraint.

E. g. 2×1 + 4×2 ≤ 40 will become 2×1 + 4×2 + S1 = 40. Where, S1 is slack variable.

 

Surplus & Artificial variables: They are used to convert Greater than or equal to (≥) constraint into equality to write standard form. Surplus variable is SUBTRACTED from ≥ constraint and Artificial variable is ADDED to the ≥ constraint.

E. g. 2×1 + 4×2 ≥ 40 will become 2×1 + 4×2 – s1 + A1 = 40. s2 is surplus variable and A1 is artificial variable.

Uses of Slack, Surplus and Artificial variables in LPP by

About Score Tutorial

S’COrE Education is a professional coaching institute to coach for new generation courses. S’COrE has highly experienced faculty with enormous experience and achievement in teaching and industry. We teach each subject in such a manner that even complicated subject feels simple. This helps student to S’COrE-the-Max. Since 1998 S’COrE had university toppers accross courses and subjects. Once you are our student you will also believe S’COrE - the - Best !!
No comments yet.

Leave a Reply

Or