Multiple choice

In Simplex method, once a variable leaves the basis, it can not reenter the same.

  1. TRUE

  2. FALSE

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A variable that leaves the basis can re-enter in a later simplex iteration. The simplex method explores adjacent extreme points, and a variable may become favorable to re-enter the basis if its reduced cost becomes attractive again during optimization.