abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...

Objective: The present study describes assessing physical health status of old people in different age groups in Tehran metropolitan area. The outcomes of this study could help to health policy makers to develop of better health policy in gerontology field by determine of priorities of care in different age groups of old people and effect of socio-economic components on elder’s’ physical ...

Introduction: Academic achievement is one of the main objectives of educational programs and the most important concern of education administrators and families. The education administrators' emphasis on courses other than physical education as a means for the students to get better overall scores results in a general neglect toward physical education or its elimination from curricula due to re...