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step function
(redirected from Piecewise constant)

   Also found in: Acronyms, Encyclopedia, Wikipedia 0.01 sec.
step function
n
(Engineering / Electrical Engineering) an electrical waveform that rises or falls instantly from one level to another


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It is a series of solvable ordinary differential equation (ODE) models to estimate the spread of HIV/AIDS infections, which not only require only one year's data to deduce the situation in any year, but also apply the piecewise constant method to employ multi-year information at the same time, overcoming the limitation of the classic infection model (SI model) which ignores the change of the population, and the scarcity and error of data.
9789812818508 Nonlinear dynamics of piecewise constant systems and implementation of piecewise constant arguments.
Approximation with the Haar wavelets is equivalent to the approximation with piecewise constant functions.
 
 
 
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