## What is duality economic interpretation?

Economic Interpretation of Dual Constraints The maximization optimality condition thus says that it is economically advantageous to increase an activity to a positive level if its unit revenue exceeds its unit imputed cost.

### What is strong duality property explain its interpretation?

Strong duality is a condition in mathematical optimization in which the primal optimal objective and the dual optimal objective are equal. This is as opposed to weak duality (the primal problem has optimal value larger than or equal to the dual problem, in other words the duality gap is greater than or equal to zero).

**What is duality in simplex method?**

The duality features a special relationship between a LP problem and another, both of which involve the same original data . A; b; c/, located differently (except for the self-duality, see below). The former is referred to as primal problem while the latter as dual problem.

**What is dual and primal?**

In mathematical optimization theory, duality or the duality principle is the principle that optimization problems may be viewed from either of two perspectives, the primal problem or the dual problem. If the primal is a minimization problem then the dual is a maximization problem (and vice-versa).

## What is the general form of LPP?

Answer: The full form of LPP is Linear Programming Problems.

### Why is duality used in linear programming?

In linear programming, duality implies that each linear programming problem can be analyzed in two different ways but would have equivalent solutions. Any LP problem (either maximization and minimization) can be stated in another equivalent form based on the same data.

**What is the difference between simplex and dual simplex method?**

The basic difference between the regular Simplex Method and the Dual Simplex Method is that whereas the regular Simplex Method starts with basic feasible solution, which is not optimal and it works towards optimality, the dual Simplex Method starts with an infeasible solution which is optimal and works towards …

**What is a dual variable?**

In Duality Theory, a Dual variable is defined for each of the Primal constraints and conversely for each of the Primal decision variables, a Dual constraint is constructed. Theoretically, a relationship exists between Primal and Dual decision variables.