Results 311 to 320 of about 3,685,749 (356)
Some of the next articles are maybe not open access.
1993
Things change. We describe these changes mathematically in terms of derivatives. A change of a variable, Φ, with respect to time is simply dΦ/dt. If the variable is also a function of position, the change in the variable depends on the direction. ∂Φ/ ∂x may be different from ∂Φ/ ∂y.
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Things change. We describe these changes mathematically in terms of derivatives. A change of a variable, Φ, with respect to time is simply dΦ/dt. If the variable is also a function of position, the change in the variable depends on the direction. ∂Φ/ ∂x may be different from ∂Φ/ ∂y.
openaire +1 more source
Homogenization of Differential Operators and Integral Functionals
, 1994V. Zhikov, S. Kozlov, O. Oleinik
semanticscholar +1 more source
An enhanced artificial bee colony algorithm with adaptive differential operators
Applied Soft Computing, 2017Zhengping Liang +3 more
semanticscholar +1 more source
Differentials and Differential Operations
2017Bernd Steinbach, Christian Posthoff
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Differential Evolution With Ranking-Based Mutation Operators
IEEE Transactions on Cybernetics, 2013Wenyin Gong, Zhihua Cai
exaly
An inverse problem for Sturm–Liouville differential operators with deviating argument
Applied Mathematics Letters, 2018Natalia P Bondarenko, V A Yurko
exaly