It is false that “it is usually quite easy to find the needed data for a linear programming study.”
Quick Scoop
Is the statement true or false?
- The correct answer is: False.
- In practice, collecting data for a linear programming (LP) model is often one of the hardest and most time‑consuming parts of the study.
Why is it actually difficult?
To build a useful LP model, you need several specific types of data:
- Accurate coefficients in the objective function
- Examples: profit per unit, cost per unit, processing time per unit, yield per unit.
* These may be scattered across accounting systems, engineering specs, or estimated by experts rather than neatly recorded.
- Reliable constraint data
- Examples: machine capacities, labor-hours, storage limits, budget ceilings, demand bounds.
* Real-world capacities can fluctuate, and recorded numbers may be outdated or approximate.
- Well-defined decision variables
- You must know exactly what you’re deciding (e.g., production quantities, shipment amounts, staffing levels) and how those map to data tables in the organization.
* Different departments often use different units, naming conventions, and time horizons, which complicates data alignment.
Because of this, experts explicitly note that “finding the necessary data for a linear programming study is often challenging,” and therefore the statement “it is usually quite easy” is incorrect.
Mini example
Imagine a factory trying to use LP to optimize its weekly production:
- It needs up-to-date processing times per product on each machine, current labor availability, raw material limits, and accurate demand forecasts.
- In reality, processing times may have changed with maintenance, demand forecasts keep shifting, and labor availability may vary by day and shift.
So even in a “simple” factory, gathering all the needed inputs is difficult and messy , not “usually quite easy.”
TL;DR
- Statement: “It is usually quite easy to find the needed data for a linear programming study.”
- Correct evaluation: False – it is often difficult to find and validate all the required data.
Information gathered from public forums or data available on the internet and portrayed here.
