Many of the physical tools used here are simple, needing the onstage audience to animate them so the offstage audience can see, for example, the silk sheet as glorious waves of water.
But along the way in this brilliant evolution, many of our common physical tools have faded from our grasp, replaced by the abstract and the virtual.
Many league officials and even some players argue that many young men lack the physical tools to compete in the N.F.L.; permitting them to try the pros before they are 21 or so would mean risking their health.
Recently, fractional differential equations have attracted a considerable interest in both mathematics and applications, since they have been proved to be valuable tools in modeling many physical phenomena.
Differential equations of arbitrary order and their systems are the valuable tools for describing many physical, biological, psychological phenomena more accurately as compared to classical differential equations.
Especially Multifractal Analysis, based on Generalized Fractal Dimensions (GFD), is a powerful mathematical tool for modeling many physical and biological time signals with high complexity and irregularity.
Fractional differential equations arise in various areas of physics and applied mathematics and have recently become a powerful tool in modeling of many physical phenomena (for instance, see [1 7] and the references therein).
Differential equations with fractional derivative have been proved to be strong tools in the modeling of many physical phenomena.
Fractional differential equations have recently gained much importance and attention due to the fact that they have been proved to be valuable tools in the modeling of many physical phenomena [1 3].
The tools of fractional calculus have been effectively applied in the modeling of many physical and engineering phenomena.
