Caputo derivative applied to very short time photovoltaic power forecasting

D Lauria, F Mottola, D Proto - Applied Energy, 2022 - Elsevier
Intra-hour photovoltaic power forecasting provides essential information for real time optimal
control of microgrids. At this purpose, a critical issue is the selection of the forecasting …

Approximation of Caputo Fractional Derivative and Numerical Solutions of Fractional Differential Equations

Y Dimitrov, S Georgiev, V Todorov - Fractal and Fractional, 2023 - mdpi.com
In this paper, we consider an approximation of the Caputo fractional derivative and its
asymptotic expansion formula, whose generating function is the polylogarithm function. We …

Asymptotic expansions and approximations for the Caputo derivative

Y Dimitrov, R Miryanov, V Todorov - Computational and Applied …, 2018 - Springer
In this paper, we use the asymptotic expansions of the binomial coefficients and the weights
of the L1 approximation to obtain approximations of order 2-α 2-α and second-order …

Dimension analysis for Caputo-fractional derivative of spline fractal interpolation function

TMC Priyanka, A Gowrisankar, Y Liang… - International Journal of …, 2024 - Taylor & Francis
The fractal dimension is an indispensable tool bridging the two distinct fields of mathematics
namely, the fractional calculus and the fractal geometry. Many works have elucidated a …

[PDF][PDF] First Derivative Approximations and Applications

Y Dimitrov, S Georgiev, V Todorov - Fractal and Fractional, 2024 - preprints.org
In this paper we consider constructions of first derivative approximations using the
generating function. The weights of the approximations contain the powers of a parameter …

Second order shifted approximations for the first derivative

V Todorov, Y Dimitrov, I Dimov - … Results of the International Conference on …, 2021 - Springer
In the present paper we construct second order shifted approximations for the first derivative
which have exponential and logarithmic generating functions. Applications of the …

Numerical solutions of ordinary fractional differential equations with singularities

Y Dimitrov, I Dimov, V Todorov - … Mathematics: 12th Annual Meeting of the …, 2019 - Springer
The solutions of fractional differential equations (FDEs) have a natural singularity at the
initial point. The accuracy of their numerical solutions is lower than the accuracy of the …

Approximations for the Caputo derivative (II)

Y Dimitrov, V Todorov, R Miryanov - arXiv preprint arXiv:1604.07188, 2016 - arxiv.org
In the present paper we use the expansion formula of the polylogarithm function to construct
approximations of the Caputo derivative which are related to the midpoint approximation of …

Convergence of the L1 Two-Term Equation Scheme

Y Dimitrov, S Georgiev, R Miryanov… - Journal of Physics …, 2023 - iopscience.iop.org
Fractional derivatives have found application in modeling various processes in different
fields of science. Finite difference schemes are a main approach for numerical solution of …

[PDF][PDF] Approximations for the second derivative and the Caputo fractional derivative

Y Dimitrov - NUMERICAL SOLUTION OF FRACTIONAL …, 2020 - parallel.bas.bg
The aim of the report is to propose a method for construction of approximations of the
Caputo derivative whose weights have properties similar to the properties of the weights of …