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Brahmagupta, Mathematician Par Excellence
GENERAL ARTICLE Brahmagupta, Mathematician Par Excellence C R Pranesachar Brahmagupta holds a unique position in the his- tory of Ancient Indian Mathematics. He con- tributed such elegant results to Geometry and Number Theory that today's mathematicians still marvel at their originality. His theorems leading to the calculation of the circumradius of a trian- gle and the lengths of the diagonals of a cyclic quadrilateral, construction of a rational cyclic C R Pranesachar is involved in training Indian quadrilateral and integer solutions to a single sec- teams for the International ond degree equation are certainly the hallmarks Mathematical Olympiads. of a genius. He also takes interest in solving problems for the After the Greeks' ascendancy to supremacy in mathe- American Mathematical matics (especially geometry) during the period 7th cen- Monthly and Crux tury BC to 2nd century AD, there was a sudden lull in Mathematicorum. mathematical and scienti¯c activity for the next millen- nium until the Renaissance in Europe. But mathematics and astronomy °ourished in the Asian continent partic- ularly in India and the Arab world. There was a contin- uous exchange of information between the two regions and later between Europe and the Arab world. The dec- imal representation of positive integers along with zero, a unique contribution of the Indian mind, travelled even- tually to the West, although there was some resistance and reluctance to accept it at the beginning. Brahmagupta, a most accomplished mathematician, liv- ed during this medieval period and was responsible for creating good mathematics in the form of geometrical theorems and number-theoretic results. -
Indian Mathematics
Indian Mathemtics V. S. Varadarajan University of California, Los Angeles, CA, USA UCLA, March 3-5, 2008 Abstract In these two lectures I shall talk about some Indian mathe- maticians and their work. I have chosen two examples: one from the 7th century, Brahmagupta, and the other, Ra- manujan, from the 20th century. Both of these are very fascinating figures, and their histories illustrate various as- pects of mathematics in ancient and modern times. In a very real sense their works are still relevant to the mathe- matics of today. Some great ancient Indian figures of Science Varahamihira (505–587) Brahmagupta (598-670) Bhaskara II (1114–1185) The modern era Ramanujan, S (1887–1920) Raman, C. V (1888–1970) Mahalanobis, P. C (1893–1972) Harish-Chandra (1923–1983) Bhaskara represents the peak of mathematical and astro- nomical knowledge in the 12th century. He reached an un- derstanding of calculus, astronomy, the number systems, and solving equations, which were not to be achieved any- where else in the world for several centuries...(Wikipedia). Indian science languished after that, the British colonial occupation did not help, but in the 19th century there was a renaissance of arts and sciences, and Indian Science even- tually reached a level comparable to western science. BRAHMAGUPTA (598–670c) Some quotations of Brahmagupta As the sun eclipses the stars by its brilliancy, so the man of knowledge will eclipse the fame of others in assemblies of the people if he proposes algebraic problems, and still more, if he solves them. Quoted in F Cajori, A History of Mathematics A person who can, within a year, solve x2 92y2 =1, is a mathematician. -
Ancient Indian Leaps Into Mathematics Editors B.S
B.S. Yadav Man Mohan Editors Ancient Indian Leaps into Mathematics Editors B.S. Yadav (Deceased) Man Mohan Ramjas College University of Delhi 110 007 New Delhi India [email protected] ISBN 978-0-8176-4694-3 e-ISBN 978-0-8176-4695-0 DOI 10.1007/978-0-8176-4695-0 Springer New York Dordrecht Heidelberg London Library of Congress Control Number: 2010937771 Mathematics Subject Classification (2010): 01A32, 01A16, 01A17, 01A25, 01A27, 01A29 c Springer Science+Business Media, LLC 2011 All rights reserved. This work may not be translated or copied in whole or in part without the written permission of the publisher (Springer Science+Business Media, LLC, 233 Spring Street, New York, NY 10013, USA), except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed is forbidden. The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights. Printed on acid-free paper www.birkhauser-science.com Dedicated to the memory of U. N. SINGH The Founder of the Indian Society for History of Mathematics U. N. Singh (November 19, 1920 – April 9, 1989) Professor B. S. Yadav (31 July 1931 – 24 February 2010) B. S. Yadav was born in Mathura, India. He dedicated his whole life to the cause of mathematics and the history of mathematical sciences. -
Rationale of the Chakravala Process of Jayadeva and Bhaskara Ii
HISTORIA MATHEMATICA 2 (1975) , 167-184 RATIONALE OF THE CHAKRAVALA PROCESS OF JAYADEVA AND BHASKARA II BY CLAS-OLOF SELENIUS UNIVERSITY OF UPPSALA SUMMARIES The old Indian chakravala method for solving the Bhaskara-Pell equation or varga-prakrti x 2- Dy 2 = 1 is investigated and explained in detail. Previous mis- conceptions are corrected, for example that chakravgla, the short cut method bhavana included, corresponds to the quick-method of Fermat. The chakravala process corresponds to a half-regular best approximating algorithm of minimal length which has several deep minimization properties. The periodically appearing quantities (jyestha-mfila, kanistha-mfila, ksepaka, kuttak~ra, etc.) are correctly understood only with the new theory. Den fornindiska metoden cakravala att l~sa Bhaskara- Pell-ekvationen eller varga-prakrti x 2 - Dy 2 = 1 detaljunders~ks och f~rklaras h~r. Tidigare missuppfatt- 0 ningar r~ttas, sasom att cakravala, genv~gsmetoden bhavana inbegripen, motsvarade Fermats snabbmetod. Cakravalaprocessen motsvarar en halvregelbunden b~st- approximerande algoritm av minimal l~ngd med flera djupt liggande minimeringsegenskaper. De periodvis upptr~dande storheterna (jyestha-m~la, kanistha-mula, ksepaka, kuttakara, os~) blir forstaellga0. 0 . f~rst genom den nya teorin. Die alte indische Methode cakrav~la zur Lbsung der Bhaskara-Pell-Gleichung oder varga-prakrti x 2 - Dy 2 = 1 wird hier im einzelnen untersucht und erkl~rt. Fr~here Missverst~ndnisse werden aufgekl~rt, z.B. dass cakrav~la, einschliesslich der Richtwegmethode bhavana, der Fermat- schen Schnellmethode entspreche. Der cakravala-Prozess entspricht einem halbregelm~ssigen bestapproximierenden Algorithmus von minimaler L~nge und mit mehreren tief- liegenden Minimierungseigenschaften. Die periodisch auftretenden Quantit~ten (jyestha-mfila, kanistha-mfila, ksepaka, kuttak~ra, usw.) werden erst durch die neue Theorie verst~ndlich. -
The Brahmagupta Triangles Raymond A
The Brahmagupta Triangles Raymond A. Beauregard and E. R. Suryanarayan Ray Beauregard ([email protected]) received his Ph.D. at the University of New Hampshire in 1968, then joined the University of Rhode Island, where he is a professor of mathematics. He has published many articles in ring theory and two textbooks. Linear Algebra (written with John Fraleigh) is currently in its third edition. Besides babysitting for his grandchild Elyse, he enjoys sailing the New England coast on his sloop, Aleph One, and playing the piano. E. R. Suryanarayan ([email protected]) taught at universities in India before receiving his Ph.D. (1961) at the University of Michigan, under Nathaniel Coburn. He has been at the University of Rhode Island since 1960, where is a professor of mathematics. An author of more than 20 research articles in applied mathematics, crystallography, and the history of mathematics, he lists as his main hobbies music, languages, and aerobic walking. The study of geometric objects has been a catalyst in the development of number theory. For example, the figurate numbers (triangular, square, pentagonal, . ) were a source of many early results in this field [41.Measuring the length of a diagonal of a rectangle led to the problem of approxin~atingfi for a natural number N. The study of triangles has been of particular significance. Heron of Alexandria (c. A.D. 75)-gave the well-known formula for the area A of a triangle in terms of its sides: A = Js(s - a)(s- b)(s- c),where s = (a + b + c)/2 is the semiperimeter of the triangle having sides a,b, c [41.He illustrated this with a triangle whose sides are 13,14,15 and whose area is 84. -
Aryabhatiya with English Commentary
ARYABHATIYA OF ARYABHATA Critically edited with Introduction, English Translation. Notes, Comments and Indexes By KRIPA SHANKAR SHUKLA Deptt. of Mathematics and Astronomy University of Lucknow in collaboration with K. V. SARMA Studies V. V. B. Institute of Sanskrit and Indological Panjab University INDIAN NATIONAL SCIENCE ACADEMY NEW DELHI 1 Published for THE NATIONAL COMMISSION FOR THE COMPILATION OF HISTORY OF SCIENCES IN INDIA by The Indian National Science Academy Bahadur Shah Zafar Marg, New Delhi— © Indian National Science Academy 1976 Rs. 21.50 (in India) $ 7.00 ; £ 2.75 (outside India) EDITORIAL COMMITTEE Chairman : F. C. Auluck Secretary : B. V. Subbarayappa Member : R. S. Sharma Editors : K. S. Shukla and K. V. Sarma Printed in India At the Vishveshvaranand Vedic Research Institute Press Sadhu Ashram, Hosbiarpur (Pb.) CONTENTS Page FOREWORD iii INTRODUCTION xvii 1. Aryabhata— The author xvii 2. His place xvii 1. Kusumapura xvii 2. Asmaka xix 3. His time xix 4. His pupils xxii 5. Aryabhata's works xxiii 6. The Aryabhatiya xxiii 1. Its contents xxiii 2. A collection of two compositions xxv 3. A work of the Brahma school xxvi 4. Its notable features xxvii 1. The alphabetical system of numeral notation xxvii 2. Circumference-diameter ratio, viz., tz xxviii table of sine-differences xxviii . 3. The 4. Formula for sin 0, when 6>rc/2 xxviii 5. Solution of indeterminate equations xxviii 6. Theory of the Earth's rotation xxix 7. The astronomical parameters xxix 8. Time and divisions of time xxix 9. Theory of planetary motion xxxi - 10. Innovations in planetary computation xxxiii 11. -
Astronomy in India
TRADITIONSKnowledg & PRACTICES OF INDIA e Textbook for Class XI Module 1 Astronomy in India CENTRAL BOARD OF SECONDARY EDUCATION Shiksha Kendra, 2, Community Centre, Preet Vihar, Delhi-110 092 India TRADITIONSKnowledg & PRACTICESe OF INDIA Textbook for Class XI Module 1 Astronomy in India CENTRAL BOARD OF SECONDARY EDUCATION Shiksha Kendra, 2, Community Centre, Preet Vihar, Delhi-110 092 India No part of this publication may be reproduced or stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical photocopying, recording or otherwise, without the prior permission of the Central Board of Secondary Education (CBSE). Preface India has a rich tradition of intellectual inquiry and a textual heritage that goes back to several hundreds of years. India was magnificently advanced in knowledge traditions and practices during the ancient and medieval times. The intellectual achievements of Indian thought are found across several fields of study in ancient Indian texts ranging from the Vedas and the Upanishads to a whole range of scriptural, philosophical, scientific, technical and artistic sources. As knowledge of India's traditions and practices has become restricted to a few erudite scholars who have worked in isolation, CBSE seeks to introduce a course in which an effort is made to make it common knowledge once again. Moreover, during its academic interactions and debates at key meetings with scholars and experts, it was decided that CBSE may introduce a course titled ‘Knowledge Traditions and Practices of India’ as a new Elective for classes XI - XII from the year 2012-13. It has been felt that there are many advantages of introducing such a course in our education system. -
Aryabhatta Date an Analytical Study
ARYABHATTA’S DATE AN ANALYTICAL STUDY Dr. M.L. Raja, M.B., B.S., D.O., AVINASH English ARYABHATTA’S DATE AN ANALYTICAL STUDY By- Dr. M.L. Raja Published by AVINASH Printed at Sankav Offset Printerss, Erode Cover Design & Type setting A.P. Nallashivam Published in January 2016 Yugabdom 5117 IPrice `160. ISBN: 978-93-84582-54-8BN: 978i AVINASH Academy on Vibrant National Arts & Scientific Heritage Erode, Tamilnadu Ph : 94433 70129 E-mail : [email protected] PREFACE In the history our Nation, we can find thousands and thousands of great scholars and their works, in almost all fields of science. We can cite examples, at least a few hundred in each century, scattering over a very long period of time, exceeding a minimum of ten thousand years. Their works in the various fields of science are remarkably outstanding, highly astonishing and fully scientific with thorough and clear knowledge, exceeding the modern scientific achievements, at least in a few aspects. But, the most unfortunate thing is, we are very much ignorant of our ancestor’s glorious antiquity, Himalayan achievements, high technological skill and the vast knowledge and wisdom and their highly admirable scientific works are not at all included in our Nation’s educational curriculum. So, it is right time or even if late, it is better late than never, to bring forth these ancient scientific works of our glorious Nation, in the day-light, amongst the present and the future generations of our Nation. With that motive in mind, this book on Âryabhaa is a very small, but a firm step in that direction, where the actual date and name of Âryabhaa and his texts are detailed. -
Determination of Ascensional Difference in the Lagnaprakaraṇa
Indian Journal of History of Science, 53.3 (2018) 302-316 DOI:10.16943/ijhs/2018/v53i3/49462 Determination of Ascensional Difference in the Lagnaprakaraṇa Aditya Kolachana∗ , K Mahesh∗ , Clemency Montelle∗∗ and K Ramasubramanian∗ (Received 31 January 2018) Abstract The ascensional difference or the cara is a fundamental astronomical concept that is crucial in de- termining the durations of day and night, which are a function of the observer’s latitude and the time of the year. Due to its importance, almost all astronomical texts prescribe a certain procedure for the determination of this element. The text Lagnaprakaraṇa—a hitherto unpublished manuscript attributed to Mādhava, the founder of the Kerala school of astronomy and mathematics—however discusses not one, but a number of techniques for the determination of the cara that are both inter- esting and innovative. The present paper aims to discuss these techniques. Key words: Arkāgraguṇa, Ascensional difference, Cara, Carajyā, Carāsu, Dyuguṇa, Dyujyā, Earth-sine, Kujyā, Lagnaprakaraṇa, Mādhava, Mahīguṇa 1. INTRODUCTION of the rising times of the different zodiacal signs (rāśis) at a given latitude. The ascensional difference (cara henceforth) is an The Lagnaprakaraṇa1 (Treatise for the Compu- important astronomical element that is involved in tation of the Ascendant) is a work comprised of a variety of computations related to diurnal prob- eight chapters, dedicated to the determination of lems. It is essentially the difference between the the ascendant (udayalagna or orient ecliptic point), right ascension and the oblique ascension of a and discusses numerous techniques for the same. body measured in time units. At the time of rising, However, as a necessary precursor to determin- the cara gives the time interval taken by a body to ing the ascendant, the text first discusses various traverse between the horizon and the six o’ clock methods to obtain the prāṇakalāntara,2 as well as circle or vice-versa depending upon whether the the cara. -
Editors Seek the Blessings of Mahasaraswathi
OM GAM GANAPATHAYE NAMAH I MAHASARASWATHYAI NAMAH Editors seek the blessings of MahaSaraswathi Kamala Shankar (Editor-in-Chief) Laxmikant Joshi Chitra Padmanabhan Madhu Ramesh Padma Chari Arjun I Shankar Srikali Varanasi Haranath Gnana Varsha Narasimhan II Thanks to the Authors Adarsh Ravikumar Omsri Bharat Akshay Ravikumar Prerana Gundu Ashwin Mohan Priyanka Saha Anand Kanakam Pranav Raja Arvind Chari Pratap Prasad Aravind Rajagopalan Pavan Kumar Jonnalagadda Ashneel K Reddy Rohit Ramachandran Chandrashekhar Suresh Rohan Jonnalagadda Divya Lambah Samika S Kikkeri Divya Santhanam Shreesha Suresha Dr. Dharwar Achar Srinivasan Venkatachari Girish Kowligi Srinivas Pyda Gokul Kowligi Sahana Kribakaran Gopi Krishna Sruti Bharat Guruganesh Kotta Sumedh Goutam Vedanthi Harsha Koneru Srinath Nandakumar Hamsa Ramesha Sanjana Srinivas HCCC Y&E Balajyothi class S Srinivasan Kapil Gururangan Saurabh Karmarkar Karthik Gururangan Sneha Koneru Komal Sharma Sadhika Malladi Katyayini Satya Srivishnu Goutam Vedanthi Kaushik Amancherla Saransh Gupta Medha Raman Varsha Narasimhan Mahadeva Iyer Vaishnavi Jonnalagadda M L Swamy Vyleen Maheshwari Reddy Mahith Amancherla Varun Mahadevan Nikky Cherukuthota Vaishnavi Kashyap Narasimham Garudadri III Contents Forword VI Preface VIII Chairman’s Message X President’s Message XI Significance of Maha Kumbhabhishekam XII Acharya Bharadwaja 1 Acharya Kapil 3 Adi Shankara 6 Aryabhatta 9 Bhadrachala Ramadas 11 Bhaskaracharya 13 Bheeshma 15 Brahmagupta Bhillamalacarya 17 Chanakya 19 Charaka 21 Dhruva 25 Draupadi 27 Gargi -
Review of Research Impact Factor : 5.7631(Uif) Ugc Approved Journal No
Review Of ReseaRch impact factOR : 5.7631(Uif) UGc appROved JOURnal nO. 48514 issn: 2249-894X vOlUme - 8 | issUe - 2 | nOvembeR - 2018 __________________________________________________________________________________________________________________________ ANCIENT INDIAN CONTRIBUTIONS TOWARDS MATHEMATICS Madhuri N. Gadsing Department of Mathematics, Jawahar Arts, Science and Commerce College, Anadur (M.S.), India. ABSTRACT Mathematics having been a progressive science has played a significant role in the development of Indian culture for millennium. In ancient India, the most famous Indian mathematicians, Panini (400 CE), Aryabhata I (500 CE), Brahmagupta (700 CE), Bhaskara I (900 CE), Mahaviracharya (900 CE), Aryabhata II (1000 CE), Bhaskara II (1200 CE), chanced to discover and develop various concepts like, square and square roots, cube and cube roots, zero with place value, combination of fractions, astronomical problems and computations, differential and integral calculus etc., while meditating upon various aspects of arithmetic, geometry, astronomy, modern algebra, etc. In this paper, we review the contribution of Indian mathematicians from ancient times. KEYWORDS: Mathematics , development of Indian , astronomical problems and computations. INTRODUCTION: Mathematics having been a progressive science has played a significant role in the development of Indian culture for millennium. Mathematical ideas that originated in the Indian subcontinent have had a profound impact on the world. The aim of this article is to give a brief review of a few of the outstanding innovations introduced by Indian mathematicians from ancient times. In ancient India, the most famous Indian mathematicians belong to what is known as the classical era [1-8]. This includes Panini (400 CE), Aryabhata I (500 CE) [9], Brahmagupta (700 CE), Bhaskara I (900 CE) [5, 6], Mahavira (900 CE), Aryabhata II (1000 CE), Bhaskaracharya or Bhaskara II (1200 CE) [10-13]. -
Equation Solving in Indian Mathematics
U.U.D.M. Project Report 2018:27 Equation Solving in Indian Mathematics Rania Al Homsi Examensarbete i matematik, 15 hp Handledare: Veronica Crispin Quinonez Examinator: Martin Herschend Juni 2018 Department of Mathematics Uppsala University Equation Solving in Indian Mathematics Rania Al Homsi “We owe a lot to the ancient Indians teaching us how to count. Without which most modern scientific discoveries would have been impossible” Albert Einstein Sammanfattning Matematik i antika och medeltida Indien har påverkat utvecklingen av modern matematik signifi- kant. Vissa människor vet de matematiska prestationer som har sitt urspring i Indien och har haft djupgående inverkan på matematiska världen, medan andra gör det inte. Ekvationer var ett av de områden som indiska lärda var mycket intresserade av. Vad är de viktigaste indiska bidrag i mate- matik? Hur kunde de indiska matematikerna lösa matematiska problem samt ekvationer? Indiska matematiker uppfann geniala metoder för att hitta lösningar för ekvationer av första graden med en eller flera okända. De studerade också ekvationer av andra graden och hittade heltalslösningar för dem. Denna uppsats presenterar en litteraturstudie om indisk matematik. Den ger en kort översyn om ma- tematikens historia i Indien under många hundra år och handlar om de olika indiska metoderna för att lösa olika typer av ekvationer. Uppsatsen kommer att delas in i fyra avsnitt: 1) Kvadratisk och kubisk extraktion av Aryabhata 2) Kuttaka av Aryabhata för att lösa den linjära ekvationen på formen 푐 = 푎푥 + 푏푦 3) Bhavana-metoden av Brahmagupta för att lösa kvadratisk ekvation på formen 퐷푥2 + 1 = 푦2 4) Chakravala-metoden som är en annan metod av Bhaskara och Jayadeva för att lösa kvadratisk ekvation 퐷푥2 + 1 = 푦2.