2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/98576Using functional equations, we derive noncommutative extensions of Ramanujan's 1-psi-1 summation.9 pages, prepared with LaTeX using SIAM's siamltex style file, submitted to Proceeedings of IWOP'04, special volume of ETNA (Electronic Transactions on Numerical Analysis)Classical Analysis and ODEsQuantum Algebra33D15, 33D99text