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Linear programming is a mathematical modeling technique which uses optimization to give a best possible outcome to a set of input constraints. The automation of shift schedule with a minimum number of input parameters from the manager is an effective solution that will reduce the time taken by the manager for preparing the roster.

Further, the number of associates required to be present on a shift might vary depending on various factors like weekday vs weekend, the workload forecasted for the week.

The preparation of a roster for a team is a time-consuming activity for the manager, when done manually, especially in teams with a large number of associates, where the manager has to give considerations to the preference of each employee. In this particular example, we formulate roster preparation as a linear programming problem. The program also becomes highly scalable when new constrains or new resources are added to the environment. By formulating the scheduling as a linear programming problem, we are able to determine the best possible outcome for many constraints such as number of resources, number of shifts, week-off for each resources, allocating resources based on budget or work load and so on. This is where linear and integer programming, which are key techniques for discrete optimization problems, helps us in solving complex scheduling problems with a multiple set of constraints. When done manually, this can prove to be a very time consuming and often might not lead to the most optimum solution and is not deterministic. Proper scheduling can help optimize many avenues of business from staff scheduling to fleet scheduling where there are many different combination of utilizing resources with different set of constraints. Scheduling is an important step in planning the workload in any organization. "I envision a Marlo Spaeth memo hanging in every Walmart that says, 'You can't do this,'" Stevenson said.Photo by Volodymyr Hryshchenko on Unsplash Introduction Stevenson said that she wants all of Walmart's employees and managers to know about what happened to her sister - and to understand their rights and requirements under the ADA. In an interview with CNBC in July, she said her sister was shattered when she lost her job. The EEOC's motion echoes the wishes of Spaeth's sister, Amy Jo Stevenson. It also said Walmart should be forced to notify the EEOC within 90 days about any request for accommodation of an employee's disability and to share details about that request, including the person's name and contact information - as well as how Walmart responded. In that region, it said Walmart should require ADA training for all managers and supervisors and incorporate adherence to those policies into annual performance reviews. The region includes more than one hundred stores, according to one of the EEOC's filings, but it did not say which states and cities it covers beyond that portion of Wisconsin. It called for the strictest oversight of Walmart - and the posted signs - in the region where Spaeth's store is located.

Yet the federal agency also argued that monetary damages are not enough. It asked the judge to require Walmart to reinstate Spaeth as an employee or pay the equivalent of ten years of wages in lieu of reinstatement. In the motion on Friday, the EEOC said Walmart should pay nearly $187,000 on top of those damages to make up for Spaeth's years of lost wages. The damages were reduced by the judge to $300,000, the maximum allowed under the law. In July, Walmart lost the lawsuit and was ordered by the jury to pay a more than $125 million verdict - one of the highest in the federal agency's history for a single victim.

Managers refused to reinstate Spaeth's longtime work schedule. She was fired from her job after the store began using a new computerized scheduling system, which changed her hours. Spaeth, who has Down syndrome, worked for nearly 16 years as a sales associate at a Walmart Supercenter in Manitowoc, a small city in eastern Wisconsin on the shore of Lake Michigan. The EEOC and Walmart have been locked in a legal battle for years over Spaeth's firing.