2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/78064The author extends the idea of Jodeit and Levitan for constructing isospectral problems of the classical scalar Sturm-Liouville differential equations to the vectorial Sturm-Liouville differential equations. Some interesting relations are found.15 pages, latex, no figures, revised versionSpectral Theorytext