one of the most remarkable basis of the gravity data inversion is the recognition of sharp boundaries between an ore body and its host rocks during the interpretation step. therefore, in this work, it is attempted to develop an inversion approach to determine a 3d density distribution that produces a given gravity anomaly. the subsurface model consists of a 3d rectangular prisms of known sizes ...

Following the events of September 11, 2001, the threat of bioterrorism events has become a realistic concern for health care workers in the United States. Bioterrorism events caused by infectious agents will be challenging because nurses will need to recognize unfamiliar infections and work long hours with limited resources in stressful conditions. During a bioterrorism event caused by biologic...

‎The proximal point algorithm‎, ‎which is a well-known tool for finding‎ ‎minima of convex functions‎, ‎is generalized from the classical‎ ‎Hilbert space framework into a nonlinear setting‎, ‎namely‎, ‎geodesic‎ ‎metric spaces of nonpositive curvature‎. ‎In this paper we propose an‎  ‎iterative algorithm for finding the common element of the‎ ‎minimizers of a finite family of convex functions a...

an amalgamation of ancient mythological and linguistic features from ghabrestan tepe, this article is disposed to introduce some of the oldest findings especially about the then prevailing myths. it can possibly be said that the oldest motifs carved by men, on bones, stones or on cave walls have been the depictions of myths related to homo sapiens; however, even after the lapse of thousands of ...

Let X1, X2, . . . , Xn be independent, identically distributed random variables, uniform on [0, 1]. We observe the Xk sequentially and must stop on exactly one of them. No recollection of the preceding observations is permitted. What stopping rule τ minimizes the expected rank of the selected observation? This full-information expected-rank problem is known as Robbins’ problem. The general solu...

State space visualization is important for a good understanding of the system’s behavior. Unfortunately, today’s visualization tools typically ignore the fact that states might have attributes. Based on these attributes, some states can be considered equivalent after abstraction, and can thus be clustered, which simplifies the state space. Attributebased visualization tools are the exception to...

this study is an investigation of fuzzy linear regression model for crisp/fuzzy input and fuzzy output data. a least absolutes deviations approach to construct such a model is developed by introducing and applying a new metric on the space of fuzzy numbers. the proposed approach, which can deal with both symmetric and non-symmetric fuzzy observations, is compared with several existing models by...

The high Peak to Average Power Ratio (PAPR) of Orthogonal Frequency Division Multiplexing (OFDM) and MIMO-OFDM systems reduces the system efficiency. In this paper, an extension of Tone Reservation (TR) method is introduced for PAPR reduction in Space Frequency Block Coded OFDM (SFBC-OFDM) systems. The proposed algorithm is based on a time domain kernel which is added to the signal of the anten...