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Numerical Investigation of Fractional-Order Differential Equations via <math xmlns="http://www.w3.org/1998/Math/MathML" id="M1"> <mi>φ</mi> </math>-Haar-Wavelet Method
In this paper, we propose a novel and efficient numerical technique for solving linear and nonlinear fractional differential equations (FDEs) with the <math xmlns="http://www.w3.org/1998/Math/MathML" id="M2"> <mi>φ</mi> </math> -Caputo fractional derivative. Our approach is based on a new operational matrix of integration, namely, the <math xmlns="http://www.w3.org/1998/Math/MathML" id="M3"> <mi>φ</mi> </math> -Haar-wavelet operational …