Abstract: Credit card fraud detection remains a critical challenge in the financial industry, demanding robust, scalable, and adaptive solutions. This paper explores the existing research landscape, ...

Abstract: A novel direct method for electromagnetic scattering analysis is introduced by enhancing the principal component analysis (PCA) compression algorithm with the multilevel fast multipole ...

Prompts the user for a positive integer input (0< n < 100) and validates it. The function will continue to prompt the user until a valid input is received.