Achyuta Pisharati
Achyutha Pisharodi (c. 1550 at Trikkandiyur, Tirur, Kerala, India – 7 July 1621 in Kerala) was a Sanskrit grammarian, astrologer, astronomer and mathematicianwho studied under Jyeṣṭhadeva and was a member of Madhava of Sangamagrama's Kerala school of astronomy and mathematics. He is remembered mainly for his part in the composition of his student Melpathur Narayana Bhattathiri's devotional poem, Narayaneeyam.
He discovered the techniques of 'the reduction of the ecliptic'. He authored Sphuta-nirnaya, Raasi-gola-sphuta-neeti (raasi meaning zodiac, gola meaning sphere and neeti roughly meaning rule), Karanottama (1593) and a four- chapter treatise Uparagakriyakrama on lunar and solar eclipses.
- Praveśaka
An introduction to Sanskrit grammar.
- Karaṇottama
Astronomical work dealing with the computation of the mean and true longitudes of the planets, with eclipses, and with the vyatūpātas of the sun and moon.
- Uparāgakriyākrama (1593)
Treatise on lunar and solar eclipses.
- Sphuṭanirṇaya
Astronomical text.
- Chāyāṣṭaka
Astronomical text.
- Uparāgaviṃśati
Manual on the computation of eclipses.
- Rāśigolasphuṭānūti
Work concerned with the reduction of the moon’s true longitude in its own orbit to the ecliptic.
- Veṇvārohavyākhyā
Malayalam commentary on the Veṇvāroha of Mādhava of Saṅgamagrāma (ca. 1340–1425) written at the request of Netranārāyaṇa.
- Horāsāroccaya
An adaptation of the Jātakapaddhati of Śrīpati.
കടപ്പാട് -http://samskrithavaani.blogspot.in/ (പൊന്നാനി-എടപ്പാള് സംസ്കൃത അക്കാദമിക കൌണ്സില്)
No comments:
Post a Comment