' (a name meaning "
king
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
of
knowledge
Knowledge is an Declarative knowledge, awareness of facts, a Knowledge by acquaintance, familiarity with individuals and situations, or a Procedural knowledge, practical skill. Knowledge of facts, also called propositional knowledge, is oft ...
") was an Indian astronomer and mathematician, author of ' ("
noble
A noble is a member of the nobility.
Noble may also refer to:
Places Antarctica
* Noble Glacier, King George Island
* Noble Nunatak, Marie Byrd Land
* Noble Peak, Wiencke Island
* Noble Rocks, Graham Land
Australia
* Noble Island, Gr ...
treatise
A treatise is a Formality, formal and systematic written discourse on some subject concerned with investigating or exposing the main principles of the subject and its conclusions."mwod:treatise, Treatise." Merriam-Webster Online Dictionary. Acc ...
"), a
Hindu astronomical treatise written in ca. AD 1500.
The work contains a comprehensive summary of the system of Hindu astronomy, including methods of computing planetary positions and eclipses, paired with
Hindu astronomy
Astronomy has a long history in the Indian subcontinent, stretching from pre-historic to modern times. Some of the earliest roots of Indian astronomy can be dated to the period of Indus Valley civilisation or earlier. Astronomy later develope ...
and its role in Hindu tradition, aiming at a synthesis between the tenets of Indian astronomy and the mythological accounts given of the cosmos in the
.
The ''Siddhāntasundara'' is part of the "
Maharashtra
Maharashtra () is a state in the western peninsular region of India occupying a substantial portion of the Deccan Plateau. It is bordered by the Arabian Sea to the west, the Indian states of Karnataka and Goa to the south, Telangana to th ...
School", a late flourishing of Hindu mathematics standing alongside the contemporary and better-known
Kerala School.
B.V. Subbarayappa, ''Science in India'' (2013)
References
*Toke Lindegaard Knudsen, ''The Siddhāntasundara of Jñānarāja, An English Translation with Commentary'' (2014)
{{DEFAULTSORT:Jnanaraja
Hindu astronomy