420:
A Biographical
Dictionary of the Living Authors of Great Britain and Ireland: Comprising Literary Memoirs and Anecdotes of Their Lives, and a Chronological Register of Their Publications, with the Number of Editions Printed; Including Notices of Some Foreign Writers Whose Works Have Been Occasionally
391:"The Parliamentary History of the County of Oxford, including the city and university of Oxford, and the boroughs of Banbury, Burford, Chipping Norton, Dadington, Witney, and Woodstock, from the earliest times to the present day, 1213-1899, with biographical and genealogical notices of the members"
149:
for separation of roots was given in 1842, by James R. Christie; it was noted by Young. In 1843 Young commented that Budan's approach, and
Lockhart's own ideas, could now be simplified on the basis of recent developments, which had led to
129:
Lockhart proposed challenge problems on the separation of the roots of equations of degree five and six, some being published in 1841. He was still writing on the theory of equations while in
Argyllshire. The challenges were considered by
229:, he had three daughters and a son. With his second wife Elizabeth, whom he married in 1805, he had six sons and two daughters; she died in 1843 at age 56. Lockhart's children included:
725:
Resolution of Two
Equations. Being a homage to the memory of the founders and benefactors of the University of Oxford, at the Commemoration held on the 12th of June, 1839
53:, in his father's firm Lockhart, Wallace, & Co. He became a partner, and set up the Cattle Insurance Company. Retiring from the bank in 1799, he moved north to the
670:
Nieuwe en algemeene leerwijze om biquadraten op te lossen waarbij de systemas van
Descartes en Euler tot biquadraten met derzelver tweede termen worden voortgezet
180:
Nieuwe en algemeene leerwijze om biquadraten op te lossen waarbij de systemas van
Descartes en Euler tot biquadraten met derzelver tweede termen worden voortgezet
34:
He was one of three children and two sons of James
Lockhart (1735–1814), a Scottish banker, and his wife Mary Harriot Gray or Grey, from a Quaker family;
775:"The County Families of the United Kingdom; or, Royal manual of the titled and untitled aristocracy of England, Wales, Scotland, and Ireland ."
704:
Extension of the celebrated theorem of C. Sturm, whereby the roots of numeral equations may be separated from each other, with copious examples
192:
Extension of the celebrated theorem of C. Sturm, whereby the roots of numeral equations may be separated from each other, with copious examples
534:
The
Complete Solution of Numerical Equations: in Which, by One Uniform Process, the Imaginary as Well as the Real Roots are Easily Determined
510:"A History of the Arithmetical Methods of Approximation to the Roots of Numerical Equations of one Unknown Quantity Part III Modern Times"
68:, and the idea for Combe's "Dr Syntax" has been attributed to him. He taught mathematics to his own children, and pupils including
338:
839:
139:
687:
Nieuwe oplossing van cubiek-vergelykingen door juiste uitdrukkingen, en ook bij nadering, zonder beproeving of gissing
186:
Nieuwe oplossing van cubiek-vergelykingen door juiste uitdrukkingen, en ook bij nadering, zonder beproeving of gissing
925:
1045:
816:
998:
876:
363:
259:
244:
234:
902:
953:
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774:
94:
in 1837. After a legal case on his brother's will, the estate at Cowley was sold in 1841. He moved to
155:
1040:
38:
was his brother, and the daughter was Mary
Harriett, married name Greenwollers. He was educated at
708:
596:
575:
390:
266:
653:
A Method of
Approximating Towards the Roots of Cubic Equations Belonging to the Irreducible Case
494:
174:
A Method of Approximating Towards the Roots of Cubic Equations Belonging to the Irreducible Case
829:
801:
634:
471:
455:
439:
322:
306:
862:
552:
255:
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620:
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35:
8:
702:
590:
226:
757:
569:
610:
151:
146:
135:
23:
488:
154:. Young also commended books by Lockhart in discussing a problem on roots proposed by
858:
The Story of the "Domus Dei" of Portsmouth, Commonly Called The Royal Garrison Church
856:
835:
486:
233:
James, the eldest son, a barrister and poet; James Augustus Lockhart, officer in the
83:. He returned to England on the death in 1835 of his brother John, who left no heir.
75:
For about 15 years Lockhart and his family resided in the Netherlands, from 1819, in
50:
221:
Lockhart married twice. With his first wife, Mary Coxe, daughter of Leonard Coxe of
958:
930:
778:
395:
254:
Miles, who married Anna Rebecca Charlotte, daughter of Major Robert Stewart of the
142:
noted an analysis by Young of an equation proposed by Lockhart, in a book of 1849.
99:
95:
614:
425:
984:: Volume 4, ed. William Page (London, 1911), pp. 510–511. British History Online
740:
723:
685:
668:
651:
61:
538:
554:
The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science
248:
163:
131:
91:
39:
1024:
903:"Nicolaas Beets, Het dagboek van de student Nicolaas Beets, 1833-1836 · dbnl"
65:
222:
159:
110:
43:
616:
Mathematical Dissertations, for the Use of Students in the Modern Analysis
238:
114:
69:
532:
418:
54:
87:
343:(1765–1835), of Great Haseley, Oxon., History of Parliament Online"
118:
487:
Thomas Stephen Davies; Stephen Fenwick; William Rutheford (1850).
399:. Brecknock: Priv. Print. for the author by E. Davies. p. 131
592:
Theory and Solution of Algebraical Equations of the Higher Orders
80:
742:
Resolution of Equations by Means of Inferior and Superior Limits
571:
Researches respecting the Imaginary Roots of Numerical Equations
204:
Resolution of Equations by Means of Inferior and Superior Limits
106:
76:
162:. Lockhart and Young then influenced the subsequent work of
986:
http://www.british-history.ac.uk/vch/hants/vol4/pp510-511
636:
The Quarterly Journal of Pure and Applied Mathematics
105:
Taking a lease on shooting on the Scottish island of
64:, and stated he had learned from him. He knew also
934:. Edinburgh: Maclachlan & Stewart. p. 150
854:
609:
588:
530:
308:Monthly Notices of the Royal Astronomical Society
117:mansion. He moved in 1851 to Clitsome House near
98:. In 1847 his address was given as Lanhams, near
1022:
827:
121:in Somerset. He died there the following year.
22:(1763–1852) was an English banker who wrote on
759:The Nature of the Roots of Numerical Equations
755:
738:
721:
700:
683:
666:
649:
324:The Gentleman's Magazine and Historical Review
237:, killed at age 21 on 8 September 1855 in the
210:The Nature of the Roots of Numerical Equations
524:
169:Lockhart's books were mostly self-published:
567:
311:. Priestley and Weale. 1853. pp. 112–.
821:
962:. Hongkong: China Mail. 1906. p. 204
954:"Who's who in the Far East, 1906–7, June"
557:. Taylor & Francis. 1842. p. 99.
441:Memoirs of the Royal Astronomical Society
388:
327:. J.H. and J. Parker. 1866. p. 198.
57:area after the death of his first wife.
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301:
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293:
291:
289:
287:
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109:, Lockhart spent time from 1845 on the
1023:
507:
145:Detailed analysis of a quintic using
982:A History of the County of Hampshire
280:
247:(1812–1889), a writer and friend of
782:. London: R. Hardwicke. p. 593
90:, Lockhart moved to the rectory at
13:
980:'Parishes: Sherfield English', in
806:. F. Jefferies. 1843. p. 104.
460:. W. Pickering. 1852. p. 215.
14:
1057:
389:Williams, William Retlaw (1899).
265:Maria, who married John Smith of
225:, a dispossessed loyalist of the
991:
974:
946:
917:
895:
869:
848:
831:Mid-Victorian Poetry, 1860-1879
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794:
766:
749:
732:
715:
694:
677:
660:
643:
627:
603:
582:
561:
545:
512:. Colorado College. p. 234
501:
480:
424:. Henry Colburn. 1816. p.
134:to have influenced the work of
49:Lockhart worked as a banker in
834:. A&C Black. p. 280.
817:s:Page:Men-at-the-Bar.djvu/319
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448:
432:
411:
382:
356:
331:
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260:James Haldane Stewart Lockhart
1:
476:. G. Bell. 1845. p. 165.
924:Stewart, John H. J. (1880).
883:. 27 October 1855. p. 5
574:. Souter & Law. p.
7:
877:"The Late Captain Lockhart"
855:Henry Press Wright (1873).
589:John Radford Young (1843).
531:William Rutherford (1849).
370:. 4 October 1851. p. 1
198:Resolution of Two Equations
10:
1062:
595:. Souter and Law. p.
828:Catherine Reilly (2000).
216:
1005:. 29 May 1828. p. 3
803:The Gentleman's Magazine
773:Walford, Edward (1868).
619:. John Souter. pp.
508:Cajori, Florian (1910).
457:The Gentleman's Magazine
364:"To be premptorily sold"
273:
124:
756:James Lockhart (1850).
739:James Lockhart (1842).
722:James Lockhart (1839).
701:James Lockhart (1839).
684:James Lockhart (1825).
667:James Lockhart (1823).
650:James Lockhart (1813).
267:Ellingham Hall, Norfolk
29:
1046:English mathematicians
707:. the Author. p.
690:. erven François Bohn.
113:. He then lived in an
861:. J. Parker. p.
341:Lockhart, John Ingram
639:. 1862. p. 240.
568:J. R. Young (1844).
444:. 1847. p. 573.
421:Published in England
36:John Ingram Lockhart
926:"Stewarts of Appin"
881:Hampshire Chronicle
762:. C. and J. Adlard.
493:. G. Bell. p.
368:Berkshire Chronicle
227:American Revolution
611:John Radford Young
140:William Rutherford
136:John Radford Young
24:numerical analysis
1003:Westmeath Journal
841:978-0-7201-2318-0
490:The Mathematician
473:The Mathematician
51:Pall Mall, London
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164:Rehuel Lobatto
132:Florian Cajori
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60:Lockhart knew
40:Reading School
31:
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20:James Lockhart
16:English banker
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1007:. Retrieved
1002:
993:
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964:. Retrieved
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241:was his son.
223:Philadelphia
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160:Silius Titus
144:
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111:Isle of Skye
104:
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48:
44:Eton College
33:
19:
18:
1036:1852 deaths
1031:1763 births
999:"Marriages"
745:. Lockhart.
245:John Ingram
239:Crimean War
115:Argyllshire
70:Joshua King
1025:Categories
905:(in Dutch)
537:. p.
55:Windermere
156:John Pell
88:Aylesbury
79:and then
613:(1841).
269:in 1828.
119:Washford
96:Brompton
1009:6 April
966:6 April
938:6 April
909:6 April
887:6 April
786:6 April
578:, note.
516:6 April
403:6 April
374:6 April
348:6 April
81:Haarlem
838:
217:Family
212:(1850)
206:(1842)
200:(1839)
194:(1839)
188:(1825)
182:(1823)
176:(1813)
107:Raasay
92:Cowley
77:Leyden
274:Notes
125:Works
1011:2016
968:2016
940:2016
911:2016
889:2016
836:ISBN
788:2016
518:2016
405:2016
376:2016
350:2016
42:and
30:Life
621:159
597:245
495:223
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158:to
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.