منابع مشابه
Agile Methods: Fast-Paced, but How Fast?
What are the roles of time and time pressures in design and performance of agile processes for software development? How do we plan our rapid development activities given the constraints of due dates? What does it mean to be on ‘internet time’? Agile methods are meant to be fast-paced, but are they fast in an effective way? How do time-pressures influence the productivity of a project team and ...
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For any controllable linear system it is clear that the minimum control energy must increase unboundedly as the available time for exact control decreases to 0. This is made precise, obtaining asymptotically O(T−(K+1/2) behavior for the norm of the control operator where K is the order of the ‘least controllable’ modes (the minimal exponent for the rank condition).
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We have performed atomic simulations of crack propagation along a weak interface joining two harmonic crystals. The simulations show that a mode II shear dominated crack can accelerate to the Rayleigh wave speed and then nucleate an intersonic daughter that travels at the longitudinal wave speed. This contradicts the general belief that a crack can travel no faster than the Rayleigh speed.
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It is becoming increasingly common for user interfaces to use zooming visual effects that automatically adapt to user actions. The MacOs X ‘dock’ icon panel, for instance, uses a fisheye distortion to assist users in targeting items. Another example is ‘speed-dependent automatic zooming’, which has been shown to improve scrolling by automatically varying zoom level with scroll speed—when scroll...
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In reported microcanonical molecular dynamics simulations, fast-folding proteins CLN025 and Trp-cage autonomously folded to experimentally determined native conformations. However, the folding times of these proteins derived from the simulations were more than 4-10 times longer than their experimental values. This article reports autonomous folding of CLN025 and Trp-cage in isobaric-isothermal ...
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ژورنال
عنوان ژورنال: The Iowa Review
سال: 1989
ISSN: 0021-065X,2330-0361
DOI: 10.17077/0021-065x.3750