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Jyeṣṭhadeva
Jyeṣṭhadeva (Malayalam: ജ്യേഷ്ഠദേവൻ) () was an astronomer-mathematician of the Kerala school of astronomy and mathematics founded by Madhava of Sangamagrama (). He is best known as the author of '' Yuktibhāṣā'', a commentary in Malayalam of Tantrasamgraha by Nilakantha Somayaji (1444–1544). In Yuktibhāṣā, Jyeṣṭhadeva had given complete proofs and rationale of the statements in Tantrasamgraha. This was unusual for traditional Indian mathematicians of the time. The Yuktibhāṣā is now believed to contain the essential elements of the calculus and one of the earliest treatise on the subject. Jyeṣṭhadeva also authored ''Drk-karana'' a treatise on astronomical observations. According to K. V. Sarma, the name "Jyeṣṭhadeva" is most probably the Sanskritised form of his personal name in the local language Malayalam. Life period of Jyeṣṭhadeva There are a few references to Jyeṣṭhadeva scattered across several old manuscrip ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Madhava Of Sangamagrama
Iriññāttappiḷḷi Mādhavan known as Mādhava of Sangamagrāma () was an Indian mathematician and astronomer from the town believed to be present-day Kallettumkara, Aloor Panchayath, Irinjalakuda in Thrissur District, Kerala, India. He is considered the founder of the Kerala school of astronomy and mathematics. One of the greatest mathematician-astronomers of the Middle Ages, Madhava made pioneering contributions to the study of infinite series, calculus, trigonometry, geometry, and algebra. He was the first to use infinite series approximations for a range of trigonometric functions, which has been called the "decisive step onward from the finite procedures of ancient mathematics to treat their limit-passage to infinity". Historiography Madhavan was born in an embranthiri brahmin family of tulu origin on 1340 in kingdom of Cochin. Although there is some evidence of mathematical work in Kerala prior to Madhava (''e.g.'', ''Sadratnamala'' c. 1300, a set of fragmentary r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yuktibhāṣā
''Yuktibhāṣā'' ( ml, യുക്തിഭാഷ, lit=Rationale), also known as Gaṇita-yukti-bhāṣā and (''Compendium of Astronomical Rationale''), is a major treatise on Indian mathematics, mathematics and Hindu astronomy, astronomy, written by the Indian astronomer Jyesthadeva of the Kerala school of astronomy and mathematics, Kerala school of mathematics around 1530. The treatise, written in Malayalam, is a consolidation of the discoveries by Madhava of Sangamagrama, Nilakantha Somayaji, Parameshvara, Jyeshtadeva, Achyuta Pisharati, and other astronomer-mathematicians of the Kerala school. It also exists in a Sanskrit version, with unclear author and date, composed as a rough translation of the Malayalam original. The work contains Mathematical proof, proofs and derivations of the theorems that it presents. Modern historians used to assert, based on the works of Indian mathematics that first became available, that early Indian scholars in astronomy and computation l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Achyuta Pisharati
Achyuta Pisharodi (c. 1550 at Thrikkandiyur (aka Kundapura), Tirur, Kerala, India – 7 July 1621 in Kerala) was a Sanskrit grammarian, astrologer, astronomer and mathematician who 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''. Works 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 t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sanskrit
Sanskrit (; attributively , ; nominally , , ) is a classical language belonging to the Indo-Aryan branch of the Indo-European languages. It arose in South Asia after its predecessor languages had diffused there from the northwest in the late Bronze Age. Sanskrit is the sacred language of Hinduism, the language of classical Hindu philosophy, and of historical texts of Buddhism and Jainism. It was a link language in ancient and medieval South Asia, and upon transmission of Hindu and Buddhist culture to Southeast Asia, East Asia and Central Asia in the early medieval era, it became a language of religion and high culture, and of the political elites in some of these regions. As a result, Sanskrit had a lasting impact on the languages of South Asia, Southeast Asia and East Asia, especially in their formal and learned vocabularies. Sanskrit generally connotes several Old Indo-Aryan language varieties. The most archaic of these is the Vedic Sanskrit found in the Rig Veda, a colle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malayali People
The Malayali people () (also spelt Malayalee and also known by the demonym Keralite) are a Dravidian ethnolinguistic group originating from the present-day state of Kerala in India, occupying its southwestern Malabar coast. They are predominantly native speakers of the Malayalam language, one of the six Classical languages in India. The state of Kerala was created in 1956 through the States Reorganisation Act. Prior to that, since the 1800s existed the Kingdom of Cochin, the Kingdom of Travancore, Malabar District, and South Canara of the British India. The Malabar District was annexed by the British through the Third Mysore War (1790–92) from Tipu Sultan. Before that, the Malabar District was under various kingdoms including the Zamorins of Calicut, Kingdom of Tanur, Arakkal kingdom, Kolathunadu, Valluvanad, and Palakkad Rajas."Travancore." Encyclopædia Britannica. ''Encyclopædia Britannica''. Encyclopædia Britannica Inc., 2011. Web. 11 November 2011. According to th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People From Malappuram District
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of per ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scientists From Kerala
A scientist is a person who conducts scientific research to advance knowledge in an area of the natural sciences. In classical antiquity, there was no real ancient analog of a modern scientist. Instead, philosophers engaged in the philosophical study of nature called natural philosophy, a precursor of natural science. Though Thales (circa 624-545 BC) was arguably the first scientist for describing how cosmic events may be seen as natural, not necessarily caused by gods,Frank N. Magill''The Ancient World: Dictionary of World Biography'', Volume 1 Routledge, 2003 it was not until the 19th century that the term ''scientist'' came into regular use after it was coined by the theologian, philosopher, and historian of science William Whewell in 1833. In modern times, many scientists have advanced degrees in an area of science and pursue careers in various sectors of the economy such as academia, industry, government, and nonprofit environments.'''' History The roles ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1575 Deaths
__NOTOC__ Year 1575 ( MDLXXV) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events January–June * January 21 – Queen Elizabeth I of England grants a monopoly on producing printed sheet music, to Thomas Tallis and William Byrd. * February 8 – William I of Orange founds Leiden University. * February 13 – Henry III of France is crowned at Reims. * February 14 – Henry III of France marries Louise de Lorraine-Vaudémont. * March 3 – Battle of Tukaroi: The Mughal Empire decisively defeats the Karrani dynasty of Bengal. * June 24 – William I of Orange marries Charlotte of Bourbon. * June 28 – Battle of Nagashino: Oda Nobunaga defeats Takeda Katsuyori in Japan's first ''modern'' battle. July–December * July 7 – Raid of the Redeswire: Sir John Carmichael defeats Sir John Forster, in the last battle between England and Scotland. * July 26 – Edmund ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1500 Births
Fifteen or 15 may refer to: *15 (number), the natural number following 14 and preceding 16 *one of the years 15 BC, AD 15, 1915, 2015 Music *Fifteen (band), a punk rock band Albums * ''15'' (Buckcherry album), 2005 * ''15'' (Ani Lorak album), 2007 * ''15'' (Phatfish album), 2008 * ''15'' (mixtape), a 2018 mixtape by Bhad Bhabie * ''Fifteen'' (Green River Ordinance album), 2016 * ''Fifteen'' (The Wailin' Jennys album), 2017 * ''Fifteen'', a 2012 album by Colin James Songs * "Fifteen" (song), a 2008 song by Taylor Swift *"Fifteen", a song by Harry Belafonte from the album '' Love Is a Gentle Thing'' *"15", a song by Rilo Kiley from the album ''Under the Blacklight'' *"15", a song by Marilyn Manson from the album ''The High End of Low'' *"The 15th", a 1979 song by Wire Other uses *Fifteen, Ohio, a community in the United States * ''15'' (film), a 2003 Singaporean film * ''Fifteen'' (TV series), international release name of ''Hillside'', a Canadian-American teen drama *Fi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
16th-century Indian Astronomers
The 16th century begins with the Julian year 1501 ( MDI) and ends with either the Julian or the Gregorian year 1600 ( MDC) (depending on the reckoning used; the Gregorian calendar introduced a lapse of 10 days in October 1582). The 16th century is regarded by historians as the century which saw the rise of Western civilization and the Islamic gunpowder empires. The Renaissance in Italy and Europe saw the emergence of important artists, authors and scientists, and led to the foundation of important subjects which include accounting and political science. Copernicus proposed the heliocentric universe, which was met with strong resistance, and Tycho Brahe refuted the theory of celestial spheres through observational measurement of the 1572 appearance of a Milky Way supernova. These events directly challenged the long-held notion of an immutable universe supported by Ptolemy and Aristotle, and led to major revolutions in astronomy and science. Galileo Galilei became a champion ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indian Hindus
Hinduism is the largest religion in India. According to the 2011 Census of India, 966.3 million people identify as Hindu, representing 79.8% of the country's population. India contains 94% of the global Hindu population. The Indian subcontinent is the birthplace of four of the world's major religions: namely Hinduism, Buddhism, Jainism, and Sikhism—collectively known as Indian religions that believe Moksha is the most supreme state of the '' Ātman'' (soul). The vast majority of Indian Hindus belong to Shaivite and Vaishnavite denominations. India is one of the three countries in the world (Nepal and Mauritius being the other two) where Hinduism is the dominant religion. History of Hinduism The Vedic culture developed in India in and . After this period, the Vedic religion merged with local traditions and the renouncer traditions, resulting in the emergence of Hinduism, which has had a profound impact on India's history, culture and philosophy. The name ''India'' its ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Addison Wesley
Addison-Wesley is an American publisher of textbooks and computer literature. It is an imprint of Pearson PLC, a global publishing and education company. In addition to publishing books, Addison-Wesley also distributes its technical titles through the O'Reilly Online Learning e-reference service. Addison-Wesley's majority of sales derive from the United States (55%) and Europe (22%). The Addison-Wesley Professional Imprint produces content including books, eBooks, and video for the professional IT worker including developers, programmers, managers, system administrators. Classic titles include ''The Art of Computer Programming'', ''The C++ Programming Language'', ''The Mythical Man-Month'', and ''Design Patterns''. History Lew Addison Cummings and Melbourne Wesley Cummings founded Addison-Wesley in 1942, with the first book published by Addison-Wesley being Massachusetts Institute of Technology professor Francis Weston Sears' ''Mechanics''. Its first computer book was ''Progra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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