the history of monetary policy in iran, judging by their performance in keeping the value of the currency, maintaining a steady growth in the gross domestic product, faltering investment, show that monetary policy has not been a portrait of consistent successes, to say the least. as a result of the recent studies two rules have emerged as guideline for policy makers: taylor rule and mccallum ru...

One of the important challenges in Graphical models is the problem of dealing with the uncertainties in the problem. Among graphical networks, fuzzy cognitive map is only capable of modeling fuzzy uncertainty and the Bayesian network is only capable of modeling probabilistic uncertainty. In many real issues, we are faced with both fuzzy and probabilistic uncertainties. In these cases, the propo...

this study was conducted to define the prevalence and types of corneal astigmatism in relation with corneal optical power, axial length, sex and patient age. 641 cataract patients were included in a descriptive study. complete eye examinations were included in a descriptive study. complete eye examinations were performed. the data were analysed by standard procedures including analysis of varia...