نتایج جستجو برای: approximate solution
تعداد نتایج: 525923 فیلتر نتایج به سال:
Journal:
:Chemical engineering
1962
Journal:
:Applications of Mathematics
2012
Journal:
:Journal of Science and Arts
2020
Journal:
:Applied mathematics
2021
The SIR(D) epidemiological model is defined through a system of transcendental equations, not solvable by elementary functions. In the present paper those equations are successfully replaced approximate ones, whose solutions given explicitly in terms functions, originating, piece-wisely, from generalized logistic functions: they ensure exact (in numerical sense) asymptotic values, besides to be...
Journal:
:Mathematical and Computer Modelling
2009
Journal:
:International Journal for Research in Applied Science and Engineering Technology
2017
Journal:
:Journal of Heuristics
2007
Journal:
:Proceedings of the Japan Society of Civil Engineers
1972
Journal:
:Mathematical Problems in Engineering
2013
Journal:
:Quarterly of Applied Mathematics
1955
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