Parameshvara

  • parameshvara
    bornc. 1380 ce
    diedc. 1460 ce
    nationalityindian
    occupationastronomer-mathematician
    known fordrig system
    circumradius formula
    notable work
    drgganita
    goladipika
    grahanamandana

    vatasseri parameshvara nambudiri (c. 1380–1460)[1] was a major indian mathematician and astronomer of the kerala school of astronomy and mathematics founded by madhava of sangamagrama. he was also an astrologer. parameshvara was a proponent of observational astronomy in medieval india and he himself had made a series of eclipse observations to verify the accuracy of the computational methods then in use. based on his eclipse observations, parameshvara proposed several corrections to the astronomical parameters which had been in use since the times of aryabhata. the computational scheme based on the revised set of parameters has come to be known as the drgganita or drig system. parameshvara was also a prolific writer on matters relating to astronomy. at least 25 manuscripts have been identified as being authored by parameshvara.[1]

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Parameshvara
Bornc. 1380 CE
Diedc. 1460 CE
NationalityIndian
OccupationAstronomer-mathematician
Known forDrig system
Circumradius formula
Notable work
Drgganita
Goladipika
Grahanamandana

Vatasseri Parameshvara Nambudiri (c. 1380–1460)[1] was a major Indian mathematician and astronomer of the Kerala school of astronomy and mathematics founded by Madhava of Sangamagrama. He was also an astrologer. Parameshvara was a proponent of observational astronomy in medieval India and he himself had made a series of eclipse observations to verify the accuracy of the computational methods then in use. Based on his eclipse observations, Parameshvara proposed several corrections to the astronomical parameters which had been in use since the times of Aryabhata. The computational scheme based on the revised set of parameters has come to be known as the Drgganita or Drig system. Parameshvara was also a prolific writer on matters relating to astronomy. At least 25 manuscripts have been identified as being authored by Parameshvara.[1]