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Jyesthadeva: more detail

Ganita-Yukti-Bhasa (Rationales in Mathematical Astronomy) of Jyesthadeva: Volume I: Mathematics Volume II: Astronomy (Sources and Studies in the History of Mathematics and Physical Sciences) by K.V. Sarma, K. Ramasubramanian, et all 2009-02-27

1575 Deaths: Matthew Parker, Joseph Ben Ephraim Karo, Heinrich Bullinger, Limahong, Jyesthadeva, Peter Carew, Rajah Sulaiman Iii

Kerala Scientists: G. Madhavan Nair, Ajit Varki, George Sudarshan, Jyesthadeva, Pulickel Ajayan, Thanu Padmanabhan, George Varghese

Indian Astronomers: Subrahmanyan Chandrasekhar, Aryabhata, Bhaskara Ii, Nilakantha Somayaji, Venkatraman Radhakrishnan, Jyesthadeva, Vasistha

Jyesthadeva

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References For Jyesthadeva
References for jyesthadeva. The URL of this page is http//wwwhistory.mcs.st-andrews.ac.uk/history/References/jyesthadeva.html.
http://www-gap.dcs.st-and.ac.uk/~history/References/Jyesthadeva.html

Extractions: G G Joseph, The crest of the peacock (London, 1991). K V Sarma, A History of the Kerala School of Hindu Astronomy (Hoshiarpur, 1972). R C Gupta, Addition and subtraction theorems for the sine and the cosine in medieval India, Indian J. History Sci. R C Gupta, The Madhava-Gregory series, Math. Education S Parameswaran, Madhavan, the father of analysis, Ganita-Bharati K V Sarma, and S Hariharan, Yuktibhasa of Jyesthadeva : a book of rationales in Indian mathematics and astronomy - an analytical appraisal, Indian J. Hist. Sci. Main index Birthplace Maps Biographies Index
Science In India: History Of Mathematics: Indian Mathematicians And Astronomers,
Describes Indian mathematicians such as Aryabhatta who modelled the solar system, Bhaskar, Varahamira, Category Science Math History Nilkantha (15th C, Tirur, Kerala) extended and elaborated upon the results ofMadhava while jyesthadeva (16th C, Kerala) provided detailed proofs of the
http://members.tripod.com/~INDIA_RESOURCE/mathematics.htm

Extractions: Get Five DVDs for $.49 each. Join now. Tell me when this page is updated SOUTH ASIAN HISTORY Pages from the history of the Indian sub-continent: Science and Mathematics in India History of Mathematics in India In all early civilizations, the first expression of mathematical understanding appears in the form of counting systems. Numbers in very early societies were typically represented by groups of lines, though later different numbers came to be assigned specific numeral names and symbols (as in India) or were designated by alphabetic letters (such as in Rome). Although today, we take our decimal system for granted, not all ancient civilizations based their numbers on a ten-base system. In ancient Babylon, a sexagesimal (base 60) system was in use. The Decimal System in Harappa In India a decimal system was already in place during the Harappan period, as indicated by an analysis of Harappan weights and measures. Weights corresponding to ratios of 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, 100, 200, and 500 have been identified, as have scales with decimal divisions. A particularly notable characteristic of Harappan weights and measures is their remarkable accuracy. A bronze rod marked in units of 0.367 inches points to the degree of precision demanded in those times. Such scales were particularly important in ensuring proper implementation of town planning rules that required roads of fixed widths to run at right angles to each other, for drains to be constructed of precise measurements, and for homes to be constructed according to specified guidelines. The existence of a gradated system of accurately marked weights points to the development of trade and commerce in Harappan society.
Great Indian Mathematicians
(c. 15001575). jyesthadeva. (550). Acyuta Pisarati. (c. 1550-1621)
http://hinduism.about.com/library/weekly/extra/bl-indianmathematicians.htm

Extractions: MATHEMATICIAN TIME PERIOD Baudhayana (700 B.C.E.) Apastamba Katyayana Umaswati (150 B.C.E.) Aryabhata (476-c. 550 C.E.) Varahamihira (c. 505-c. 558) Brahmagupta (c. 598-c. 670) Govindaswami (c. 800-850) Mahavira (Mahaviracharya) Pruthudakaswami Sridhara Manjula Aryabhata II Prashastidhara Halayudha Jayadeva Sripathi Hemachandra Suri (b. 1089) Bhaskara (1114-c. 1185) Cangadeva Madhava of Sangamagramma (c. 1340-1425) Narayama Pandit Paramesvara Nilakantha Somayaji Sankara Variar (c. 1500-1560)
'Vedic Practices Provided The Inspiration For Advances In Astronomy And Mathemat
savants like Govinda Bhatta, Damodara, Nilakantha Somayaji, jyesthadeva, Acyuta Pisharati and Putumana Somayaji added to
http://www.bharatvani.org/general_inbox/pramod/fyicolumn.html

Extractions: 'Vedic practices provided the inspiration for advances in astronomy and mathematics' (Excerpted from an article by B.V.Subbarayyappa in the book India 1000 to 2000, Editor : T.J.S.George, published in December 1999 by Express Publications (Madurai) Ltd, Express Estates, Anna Salai, Chennai - 600 002. The excerpt was also published in The New Indian Express on Sunday in the FYI column on April 8, 2001.) Jyothisha (astronomy) was one of the six auxiliaries of the Vedas and the earliest Indian astronomical text goes by the name of Vedanga Jyotisha . Year-long sacrifices commenced from the day following the winter solstice and Vedic knowledge of both winter and summer solstices was fairly accurate. The Vedanga Jyotisha had developed a concept of a cycle of 5 years (one Yuga) for luni-solar and other time adjustments with intercalation at regular intervals. Indian mathematics too owes its primary inspiration to Vedic practices. The Shulba sutras, part of another Vedic auxiliary called the Kalpa sutras, deal with the construction of several types of brick altars and in that context with certain geometrical problems including the Pythagorean theorem, squaring a circle, irrational numbers and the like. Yet another Vedic auxiliary, Metrics (chandah), postulated a triangular array for determining the type of combinations of 'n' syllables of long and short sounds for metrical chanting. This was mathematically developed by Halayudha who lived in Karnataka (10th Century) into a pyramidal expansion of numbers. Such an exercise appeared six centuries later in Europe, known as Pascal's triangle. Vedic mathematics and astronomy were pragmatic and integrated with Vedic religio-philosophical life.
History Of Mathematics: Chronology Of Mathematicians
A list of all of the important mathematicians working in a given century.Category Science Math Mathematicians Directories 1600) *SB *W; jyesthadeva (c. 1550); Wilhelm Holzmann (Xylander) (15321576);Giambattista della Porta (1535-1615) *SB *W; Egnatio Danti
http://aleph0.clarku.edu/~djoyce/mathhist/chronology.html

Extractions: Note: there are also a chronological lists of mathematical works and mathematics for China , and chronological lists of mathematicians for the Arabic sphere Europe Greece India , and Japan 1700 B.C.E. 100 B.C.E. 1 C.E. To return to this table of contents from below, just click on the years that appear in the headers. Footnotes (*MT, *MT, *RB, *W, *SB) are explained below Ahmes (c. 1650 B.C.E.) *MT Baudhayana (c. 700) Thales of Miletus (c. 630-c 550) *MT Apastamba (c. 600) Anaximander of Miletus (c. 610-c. 547) *SB Pythagoras of Samos (c. 570-c. 490) *SB *MT Anaximenes of Miletus (fl. 546) *SB Cleostratus of Tenedos (c. 520) Katyayana (c. 500) Nabu-rimanni (c. 490) Kidinu (c. 480) Anaxagoras of Clazomenae (c. 500-c. 428) *SB *MT Zeno of Elea (c. 490-c. 430) *MT Antiphon of Rhamnos (the Sophist) (c. 480-411) *SB *MT Oenopides of Chios (c. 450?) *SB Leucippus (c. 450) *SB *MT Hippocrates of Chios (fl. c. 440) *SB Meton (c. 430) *SB
Jyesthadeva
jyesthadeva. Born about 1500 in Kerala, India Died about 1575 in Kerala, India. jyesthadevalived on the southwest coast of India in the district of Kerala.
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Jyesthadeva.html

Extractions: Jyesthadeva lived on the southwest coast of India in the district of Kerala. He belonged to the Kerala school of mathematics built on the work of Madhava Nilakantha Somayaji, Paramesvara and others. Jyesthadeva wrote a famous text Yuktibhasa which he wrote in Malayalam, the regional language of Kerala. The work is a survey of Kerala mathematics and, very unusually for an Indian mathematical text, it contains proofs of the theorems and gives derivations of the rules it contains. It is one of the main astronomical and mathematical texts produced by the Kerala school. The work was based mainly on the Tantrasamgraha of Nilakantha The Yuktibhasa is a major treatise, half on astronomy and half on mathematics, written in 1501. The Tantrasamgraha on which it is based consists of 432 Sanskrit verses divided into 8 chapters, and it covers various aspects of Indian astronomy. It is based on the epicyclic and eccentric models of planetary motion. The first two chapters deal with the motions and longitudes of the planets. The third chapter Treatise on shadow deals with various problems related with the sun's position on the celestial sphere, including the relationships of its expressions in the three systems of coordinates, namely ecliptic, equatorial and horizontal coordinates.
Jyesthadeva
Biography of jyesthadeva (15001575) jyesthadeva wrote a famous text Yuktibhasa which he wrote in Malayalam, the regional language of Kerala.
http://www-history.mcs.st-and.ac.uk/history/Mathematicians/Jyesthadeva.html

Extractions: Jyesthadeva lived on the southwest coast of India in the district of Kerala. He belonged to the Kerala school of mathematics built on the work of Madhava Nilakantha Somayaji, Paramesvara and others. Jyesthadeva wrote a famous text Yuktibhasa which he wrote in Malayalam, the regional language of Kerala. The work is a survey of Kerala mathematics and, very unusually for an Indian mathematical text, it contains proofs of the theorems and gives derivations of the rules it contains. It is one of the main astronomical and mathematical texts produced by the Kerala school. The work was based mainly on the Tantrasamgraha of Nilakantha The Yuktibhasa is a major treatise, half on astronomy and half on mathematics, written in 1501. The Tantrasamgraha on which it is based consists of 432 Sanskrit verses divided into 8 chapters, and it covers various aspects of Indian astronomy. It is based on the epicyclic and eccentric models of planetary motion. The first two chapters deal with the motions and longitudes of the planets. The third chapter Treatise on shadow deals with various problems related with the sun's position on the celestial sphere, including the relationships of its expressions in the three systems of coordinates, namely ecliptic, equatorial and horizontal coordinates.
History Of Indian Astronomy
b) Vakyakarana (AD 1300) and Drkharana by jyesthadeva (AD 1500 1610). c)Yuktibhasa by jyesthadeva on astronomy and mathematics.
http://www.stormpages.com/swadhwa/hofa/ia.html

Extractions: Sawai Jai Singh, in his determination to provide accurate astrological tables, ordered these gigantic structures of stone. The Jaipur observatory includes the largest sundial in the world with a 90 feet high projecting arm (the gnomon). The measurements achieved by these Jantar Mantars were particularly impressive for their time - the astronomical table was very accurate and in some instances, better than contemporary western ones. This table was published in Persian and Sanskrit as the Zij Muhammad Shahi. The time was and is calculated by a study of the shadows cast by the central straight walls on to the curved walls beyond. The weather forecasts and other information provided by these sundials are very much in use at present, for religious and practical purposes.
Historia Matematica Mailing List Archive: [HM] Indian Derivatio
They also cite a 1958 paper by KV Sarma that identifies jyesthadeva as the authorof the Yuktibhasa, and they give his dates as c. 1500 - c. 1610 (sic).
http://sunsite.utk.edu/math_archives/.http/hypermail/historia/aug00/0030.html
1500_1599 Index
Mathematicians born from 1500 to 1599. (15001557) Tartaglia (1500-1575) jyesthadeva(1501-1576) Cardan (1502-1587) Nunes (1508-1555) Gemma Frisius (1510-1558
http://math.ichb.ro/History/Indexes/1500_1599.html
Full Chronological Index
List of mathematical biographies indexed chronologically (15001557) Tartaglia. (1500-1575) jyesthadeva. (1501-1576) Cardan
http://www-groups.dcs.st-and.ac.uk/~history/Indexes/Full_Chron.html
Madhava
This is discussed in detail in 4. jyesthadeva wrote YuktiBhasain Malayalam, the regional language of Kerala, around 1550. In
http://math.ichb.ro/History/Mathematicians/Madhava.html
GEORGE GHEVERGHESE JOSEPH'S HOME PAGE
50. (3) CHAPTERS IN BOOKS. (a) `Mathematics', `Indian Mathematics', `Indian Geometry'and `jyesthadeva' in Encyclopedia of the History of Science, Technology and
http://nt2.ec.man.ac.uk/ses/staff/ggj/

Extractions: A DDRESS BIOGRAPHICAL DETAILS PUBLICATIONS ... LECTURES AND SEMINARS ADDRESS School of Economic Studies, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom Telephone Fax: (044) 0161-275-4812 E-mail Address George.Joseph@man.ac.uk BIOGRAPHICAL DETAIL S Aryabhateeyam , which was held in Thiruvanthapuram, Kerala, India. He has appeared in radio and televisions programmes in India, United States, Australia, South Africa and New Zealand as well as United Kingdom. His publications include three books: Women at Work ( Philip Allan, Oxford, 1983), The Crest of the Peacock: Non-European Roots of Mathematics ( 1st Hardback Edition, Tauris, 1991; 1st Paperback Edition, Penguin 1992, 2nd Edition, Penguin Books and Princeton University Press, 2000) and Multicultural Mathematics: Teaching Mathematics from a Global Perspective (Oxford University Press, 1993). He is also the author of about 70 articles and chapters in books. He is at present working on two projects: a history of Indian mathematics and a biography of his grandfather, George Joseph, a close associate of Mahatma Gandhi, Jawarhalal Nehru and other leaders of modern India. 1. BOOKS
Nilakantha
appeared and, somewhat later in about 1550, jyesthadeva published a commentary entitled Yuktibhasa that contained proofs
http://www-history.mcs.st-and.ac.uk/history/Mathematicians/Nilakantha.html

Extractions: Nilakantha was born into a Namputiri Brahmin family which came from South Malabar in Kerala. The Nambudiri is the main caste of Kerala. It is an orthodox caste whose members consider themselves descendants of the ancient Vedic religion. He was born in a house called Kelallur which it is claimed coincides with the present Etamana in the village of Trkkantiyur near Tirur in south India. His father was Jatavedas and the family belonged to the Gargya gotra, which was a Indian caste that prohibits marriage to anyone outside the caste. The family followed the Ashvalayana sutra which was a manual of sacrificial ceremonies in the Rigveda, a collection of Vedic hymns. He worshipped the personified deity Soma who was the "master of plants" and the healer of disease. This explains the name Somayaji which means he was from a family qualified to conduct the Soma ritual. Now Nilakantha studied astronomy and Vedanta, one of the six orthodox systems of Indian Hindu philosophy, under the teacher Ravi. He was also taught by Damodra who was the son of
Mbox: History Of Mathematics In Ancient India. -Part-1/2
1350), Paramesvara (13601455), Nilakantha Somayaji (1455-1555), SankaraVariar (c. 1500-1560), Narayana (c. 1500-1575), jyesthadeva (fl.
http://www.indianetwork.org/res/art/0002.html
Re Swamiji .on Indian Mathematicians By Swami SuhastAnanda On
Since jyesthadeva describes Madhava's arctan series so well, he should postdateBrahmagupta by at least seven centuries. Interesting quote, this!
http://www.sulekha.com/philosophy/messages/29475.html
NewsLand - Article Not Found
Translate this page Charles Whish pubblicò un articolo nel quale faceva riferimento a quattro opere,Tantra Samgraha di Nilakantha, Yuktibhasa di jyesthadeva, Karana Paddhati di
http://new.newsland.it/nr/article/it.cultura.classica/1206.html
Www.math.ku.dk/~ramskov/3mh-f98/rene/bioindex.txt
298 286 De numeris datis (On given Numbers) jyesthadeva (15001610) Yuktibh_s_ 451K Kepler, Johannes (1571-1630) Graz, Prag 374 Mysterium Cosmographicum 1596
http://www.math.ku.dk/~ramskov/3mh-f98/rene/bioindex.txt
Mathematicians
Giovanni Battista Benedetti (15301590) *SB *W. Cunradus Dasypodius (c. 1530-1600)*SB *W. jyesthadeva (c. 1550). Wilhelm Holzmann (Xylander) (1532-1576).
http://www.chill.org/csss/mathcsss/mathematicians.html

Extractions: List of Mathematicians printed from: http://aleph0.clarku.edu:80/~djoyce/mathhist/mathhist.html 1700 B.C.E. Ahmes (c. 1650 B.C.E.) *mt 700 B.C.E. Baudhayana (c. 700) 600 B.C.E. Thales of Miletus (c. 630-c 550) *MT Apastamba (c. 600) Anaximander of Miletus (c. 610-c. 547) *SB Pythagoras of Samos (c. 570-c. 490) *SB *MT Anaximenes of Miletus (fl. 546) *SB Cleostratus of Tenedos (c. 520) 500 B.C.E. Katyayana (c. 500) Nabu-rimanni (c. 490) Kidinu (c. 480) Anaxagoras of Clazomenae (c. 500-c. 428) *SB *mt Zeno of Elea (c. 490-c. 430) *mt Antiphon of Rhamnos (the Sophist) (c. 480-411) *SB *mt Oenopides of Chios (c. 450?) *SB Leucippus (c. 450) *SB *mt Hippocrates of Chios (fl. c. 440) *SB Meton (c. 430) *SB Hippias of Elis (fl. c. 425) *SB *mt Theodorus of Cyrene (c. 425) Socrates (469-399) Philolaus of Croton (d. c. 390) *SB Democritus of Abdera (c. 460-370) *SB *mt 400 B.C.E. Hippasus of Metapontum (or of Sybaris or Croton) (c. 400?) Archytas of Tarentum (of Taras) (c. 428-c. 347) *SB *mt Plato (427-347) *SB *MT Theaetetus of Athens (c. 415-c. 369) *mt Leodamas of Thasos (fl. c. 380) *SB
.:::: 2002.08.19 Common-Place Book ::::. A Blog
contributions. Madhava was from Kerala and his work there inspireda school of followers such as Nilakantha and jyesthadeva. Some
http://www.backspace.com/common/20020819.html

Extractions: Enemy Mine A recent article by Walidah Imarisha contrasts the "big money rappers [who] have fallen in line to rally 'round the flag" with "underground hip hop [which] is speaking out against the "war on terrorism"." It's true that the underground has produced several songs critical of post-9/11 war fever. Paris' " What Would You Do " and Sage Francis' " Makeshift Patriot ," for examples not cited by WI, are scathing in questioning the motivations for the War. One of the examples WI gives of "big money rappers," though, is MC Hammer, who hasn't had big money in a long, long time. Hammer's Active Duty is a feeble attempt by a has-been MC to milk patriotic sentiment. So too is Canibus' " Draft Me ," with its overwrought lines about murdering monkeys and bloody turbans. But the album it was on was a spectacular failure, and anyway, isn't Canibus the quintessential underground mc? The Billboard-topping tribute record, "Ground Zero (In Our Hearts You Will Remain)," is the debut of a couple of otherwise unknown rappers, Cash and Computa, who are underground according to at least one person. (I should also say that neither I nor anyone I know has actually heard this song, though they're apparently from NY.)

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