New computational research published in the Journal of Indian Mathematical Society has utilized AI to analyze variant readings of the Laghu-Manasa, a concise astronomical treatise by the 10th-century Indian mathematician Munjala. The study identifies a series of recursive algorithms used to calculate the lunar equation of center with a precision that rivals modern trigonometric approximations.
Researchers demonstrated that Munjala's methods involved a unique differential approach to planetary motion, suggesting that medieval Indian astronomers had developed practical precursors to calculus for tracking the moon's erratic velocity. This study elevates the status of the Laghu-Manasa from a simple handbook to a masterpiece of algorithmic efficiency.