Efficient global optimization (EGO) is the canonical form of Bayesian that has been successfully applied to solve expensive-to-evaluate black-box problems. However, EGO struggles scale with dimension, and offers limited theoretical guarantees. In this work, a trust-region framework for (TREGO) proposed analyzed. TREGO alternates between regular steps local within trust region. By following clas...

the object of the regional planning is optimum use of resource for the development of regions. one of the most important items in regional development is the recognition of spatial and economical structure of the region. middle sized cities, have the secondary role in the study of economical structure of the regions. global experiments demonstrate that lack of attention to the role of secondary...

There are different models for mapping and evaluation of desertification condition, such as global FAO_UNEP model. There are also several models for evaluation of desertification in Iran. In this study, tow fol/owing methods was used: 1-ICD method, (Iranian Classification of Desertification). 2- MICD method, (Modified Iranian Classification of Desertification). In this research, at first, these...