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...

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

abstract objectives gradual increase length and complexity of utterance (gilcu) therapy method is a form of operant conditioning. this type of treatment is very precise and controlled that is done in 54 steps in 3 speech situations consisted of monologue, reading and conversation. this study aimed to examine the effects of gilcu treatment method on reduction of speech dysfluency of school-age...

In order to investigate the relationship between different traits with yield, an experiment was conducted on 16 tomato genotypes in randomized complete blocks design, with three replications. Twenty agronomical traits including plant height, stem diameter, number of shoots, plant weight, number of branches, number and dry weight of leaves, stems and roots, number of fruits per plant, fruit weig...

Determining the relationships between morphological traits is very important in plant breeding. For this purpose, path analysis and biplot analysis are among the most effective statistical methods. To study the morphological traits affecting faba bean seed yield, 12 introduced faba bean genotypes were studied under the influence of 3 concentrations of gibberellic acid based on split plot in a r...

different researchers in different parts of the world have investigated the strategies used to translate written works ranging from novels to classroom assignments. however, by the significant increase in the number of postgraduate students in iran in the last few years, a very common kind of translation in iran includes translating abstracts of master’s theses. in this work, the researcher hav...