نتایج جستجو برای: mid point

تعداد نتایج: 598416  

In this paper, a one-sample point predictor of the random variable X is studied. X is the occurrence of an event in any successive visits $L_i$ and $R_i$ :i=1,2…,n (interval censoring). Our proposed method is based on finding the expected value of the conditional distribution of X given $L_i$ and $R_i$ (i=1,2…,n). To make the desired prediction, our approach is on the basis of approximating the...

2005
P. Pfaffelhuber A. Wakolbinger

Consider a haploid population which has evolved through an exchangeable reproduction dynamics , and in which all individuals alive at time t have a most recent common ancestor (MRCA) who lived at time At, say. As time goes on, not only the population but also its ge-nealogy evolves: some families will get lost from the population and eventually a new MRCA will be established. For a time-station...

Journal: :Applied spectroscopy 2005
N Kaun J R Baena D Newnham B Lendl

Absorption spectra of aqueous solution of ''chaotropes'' (structure maker) and ''kosmotropes'' (structure breaker) have been recorded in the mid-infrared (MIR) and terahertz (THz) spectral region. A different impact of the two groups of solutes on the absorption spectrum of water was found in the recorded THz spectra. A concentration-dependent increased absorption across the investigated THz sp...

Journal: :Genetics 1999
C Wiuf J Hein

In this article we discuss the ancestry of sequences sampled from the coalescent with recombination with constant population size 2N. We have studied a number of variables based on simulations of sample histories, and some analytical results are derived. Consider the leftmost nucleotide in the sequences. We show that the number of nucleotides sharing a most recent common ancestor (MRCA) with th...

2010
Derek Gatherer

Influenza C contributes to economic damage caused by working days lost through absence or inefficiency and may occasionally cause an acute respiratory illness in a paediatric setting. All Influenza C sequences from the NCBI Influenza Virus Resource were examined to determine the date of the most recent common ancestor (t-MRCA), the average nucleotide substitution rate, and the location of resid...

2016
David B Rowley Alessandro M Forte Christopher J Rowan Petar Glišović Robert Moucha Stephen P Grand Nathan A Simmons

Earth's tectonic plates are generally considered to be driven largely by negative buoyancy associated with subduction of oceanic lithosphere. In this context, mid-ocean ridges (MORs) are passive plate boundaries whose divergence accommodates flow driven by subduction of oceanic slabs at trenches. We show that over the past 80 million years (My), the East Pacific Rise (EPR), Earth's dominant MOR...

Journal: :International Journal for Numerical Methods in Engineering 1995

Journal: :Bulletin of the Australian Mathematical Society 1997

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the current study examined iranian undergraduate efl students’ willingness to communicate with regard to their vocabulary knowledge. in general, participants were somewhat willing to communicate in english. the total mean score of 730 university students’ perception of willing to communicate was 83.53 out of 135. results, regarding four parts of willingness to communicate, revealed that part...

Journal: :Mathematics 2022

In this paper, an improvement to the mid-point method is contributed for finding square root of a matrix as well its inverse. To aim, iteration scheme find function constructed, and error stability estimates are provided show theoretical rate convergence. Our higher-order can compete with existing iterative methods similar nature. This illustrated in numerical simulations various sizes.

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