Prariesa, Dina, Udjianna Sekteria Pasaribu, and Utriweni Mukhaiyar. “Utilizing Trajectory Matrices and Singular Value Decomposition (SVD) for Multivariate Transformation in Time Series Analysis”. Journal of the Indonesian Mathematical Society 32, no. 1 (January 5, 2026): 1966. Accessed January 8, 2026. https://jims-a.org/index.php/jimsa/article/view/1966.