Essays on Approximation

It’s a principle that provides the basic and the essential part in the mathematics of sorting and even counting. This principle was introduced by Johann Peter Gustav Lejeune Dirichlet in 1834. He called it the shelf principle or drawer principle. However, many people appreciate his insight and call it the Dirichlet drawer principle. The name pigeonhole was introduced in 1940 by Raphael Robinson. In the literal sense, pigeonholes refer to shelves or holes used to place pigeons. Thus, the principle roughly states that if one has a given number of boxes and a given number of items to ...

Forecasting methods in health services

Forecasting is a mathematical prediction process that uses the data from the past records to predict the future outcomes. In the case of the health services, it uses the number of patients visiting a given health facility for a given period of time, like, say, for a whole year or a month in order to predict the estimated number of expected patients in the following year. This helps the health facility managers to make a prior plan of financial and material expenditure for the year or month to come. In addition, forecasting helps to monitor the operational efforts in ...

[Customer's name] [Institutional affiliations]Introduction In the modern society, statistics has become one of the most important national economic management tools. The notion of any management decision requires a preliminary analysis of the current situation, based on a miscalculation of options, comparison of options, assessing the accuracy of the forecasts, the likelihood of errors. Methodological framework for addressing these issues is statistics. Its main task is the calculation and analysis of statistics, allowing the governing bodies receive comprehensive description of the object, whether it is the whole national economy or its individual sectors, enterprises and their divisions. Trends basically ...

Envisage a situation in which you are standing facing a delicate buffet overflowing with several delicacies. The objective is to try all of them out, however you must make a decision on what sequence and what substitute of flavors will make the most of the general delight of your appetite. Even though much less satisfying and prejudiced, these are the forms of difficulties that query optimizers are required to resolve. Provided a query, there are numerous schemes that a DBMS can pursue to process it and create its response. All plans are equal in the basis of their ultimate output however they differ in ...

Introduction

Despite the fact that there is a lot of science involved in today’s time and calendar management, the start of this journey was based on very flexible logic, one of the earliest Roman Calendars was based on a thirty day lunar cycle and included an eight-day market week. In reality this eight-day week did not have any scientific logic but was based on the fact that this was the time taken for processing of Goat’s cheese. The first calendar included four months of thirty days each and March, April, May and June were the months that were named based ...