نتایج جستجو برای: circle method
تعداد نتایج: 1649921 فیلتر نتایج به سال:
Comparative genomic hybridization (CGH) to metaphase chromosomes is a method for genome-wide detection of chromosomal aberrations in DNA samples. Recent advances in microarray technology have improved CGH by replacing metaphase chromosomes with a collection of mapped genomic clones placed on glass slides. However, it is quite expensive and labor-intensive to prepare DNA from the genomic clones ...
To understand why two interacting oscillators synchronize with each other, or lock together and resonate at some rational frequency ratio, dynamical-systems theory shows that one should study circle maps and their periodic orbits. One can easily explore the structure of these periodic orbits using Newton maps, derived from Newton’s method for finding the roots of an equation. I present here som...
Background: Several studies have investigated the variations in the anatomy of each segment of circle of Willis whereas a few have addressed the variations of this arterial circle as a whole. In this study the entire circle of Willis and its variations were studied in a cohort of Iranian people and compared with previous reports.Methods: Anatomical variations of the circle of Willis in 132 brai...
A “hybrid method”, dedicated to asymptotic coefficient extraction in combinatorial generating functions, is presented, which combines Darboux’s method and singularity analysis theory. This hybrid method applies to functions that remain of moderate growth near the unit circle and satisfy suitable smoothness assumptions—this, even in the case when the unit circle is a natural boundary. A prime ap...
"Development" and "modernization" or "modernity" are related concepts that are widely but variously used to refer to major social, economic and political changes. Some scholars equate political development with the ability of a political system to grow and adjust to new demands put upon it. The environment of bureaucracy may be visualized as series of concentric circles, with bureaucracy at th...
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