Determining the optimal strategy for aggregate production planning (APP) during the Covid-19 crisis using an algorithm Harmony Search Algorithm

Abstract

Man is an inquisitive creature and as a result of this inquisitive tendency, the development of human life and civilization has reached the present. With the emergence of new branches of study of knowledge and science, man has made progress in his lifestyle and improved the quality of life. Astrology, one of these different branches, was discovered many years ago, as a result of various studies, it is known that the oldest evidence for astrology is from the third millennium BC. It has its roots in calendrical systems used to predict seasonal changes and explain celestial cycles. Indeed astrology, in its broadest sense, is the search for human meaning in the space; which attempts to understand general and specific human behaviour through the influence of planets and other celestial bodies. It has been argued that astrology began as a study as soon as humans made conscious efforts to measure, record and predict seasonal changes in the context of celestial cycles.