Abstract
Block pulse functions are piecewise constant and not smooth enough. Therefore, they offer limited accuracy when used to approximate functions and unable to find highly accurate numerical solutions of fractional differential equations (FDEs). To overcome this problem, we present in this paper a new efficient numerical method for solving FDEs. A hybrid Bernoulli polynomials and block pulse functions operational matrix of fractional order integrals is derived and used to convert the underlying FDEs into a system of algebraic equations. The solutions of the FDEs are obtained by solving the algebraic equations. Simulation examples are given to verify the effectiveness of our proposed method, and the results show that the method is much more efficient and accurate than other known methods.
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This work is partially supported by the National Natural Science Foundation of China (No. 61771418).
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Zhang, B., Tang, Y. & Zhang, X. Numerical solution of fractional differential equations using hybrid Bernoulli polynomials and block pulse functions. Math Sci 15, 293–304 (2021). https://doi.org/10.1007/s40096-021-00379-4
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DOI: https://doi.org/10.1007/s40096-021-00379-4