"11029"^^ . . . . "Vectors"@en . . . "Caspar Wessel (1745-1818) est un math\u00E9maticien danois et norv\u00E9gien."@fr . "\"It is now Norway's cause to do what should be done, that this strange Man's Memory may be brought forth by Oblivion and his Name find its proper place before the History of Mathematics.\""@en . "Caspar Wessel ( (Vestby), 8 juni 1745 - Kopenhagen, 25 maart 1818) was een Noors landmeter en wiskundige."@nl . . . . "Caspar Wessel (Vestby, 8 de junho de 1745 \u2014 Copenhague, 25 de mar\u00E7o de 1818) foi um matem\u00E1tico dinamarqu\u00EAs-noruegu\u00EAs que descobriu em 1797 uma representa\u00E7\u00E3o gr\u00E1fica para os n\u00FAmeros complexos, publicada em 1798 nas atas da academia dinamarquesa. O trabalho de Wessel ficou praticamente esquecido. A interpreta\u00E7\u00E3o geom\u00E9trica foi amplamente aceita alguns anos mais tarde, quando Gauss publicou resultados an\u00E1logos. Hoje, o nome do plano onde representa-se os n\u00FAmeros complexos \u00E9 conhecido como Plano de Argand-Gauss."@pt . "Caspar Wessel (1745-1818) fou un matem\u00E0tic i cart\u00F2graf del segle XVIII, conegut per haver estat el primer a proporcionar una interpretaci\u00F3 geom\u00E8trica dels nombres complexos."@ca . . . . . . . "Caspar Wessel"@sv . "Cathrine Elisabeth Brinck f. M\u00FCller"@en . . "Caspar Wessel"@es . "Complex numbers"@en . . . . "50.0"^^ . . . . . . . . . . . . . . . . . . . . "\u5361\u65AF\u5E15\u723E\u00B7\u97CB\u585E\u723E\uFF08Caspar Wessel\uFF09\uFF081745\u5E746\u67088\u65E5\uFF0D1818\u5E743\u670825\u65E5\uFF09\uFF0C\u4E39\u9EA5-\u632A\u5A01\u6578\u5B78\u5BB6\u3002 \u4ED6\u751F\u65BC\u632A\u5A01\u963F\u514B\u4EC0\u80E1\u65AF\u90E1\u7684\u97CB\u65AF\u7279\u6BD4\u81EA\u6CBB\u5340\uFF0C\u6210\u9577\u65BC\u4E00\u500B\u6709\u5341\u56DB\u500B\u5B69\u5B50\u7684\u5BB6\uFF0C\u6392\u884C\u7B2C\u516D\u30021763\u5E74\uFF0C\u4ED6\u5B8C\u6210\u4E2D\u5B78\u5F8C\uFF0C\u56E0\u70BA\u7576\u6642\u632A\u5A01\u6C92\u6709\u5927\u5B78\uFF0C\u5F80\u4E39\u9EA5\u7684\u54E5\u672C\u54C8\u6839\u5927\u5B78\u5B78\u7FD2\u3002 \u4E39\u9EA5\u7687\u5BB6\u79D1\u5B78\u9662\u958B\u5C55\u4E86\u5730\u5F62\u6E2C\u91CF\u8A08\u5283\uFF0C\u4F7F\u7528\u4E09\u89D2\u6E2C\u91CF\u4EE5\u6C7A\u5B9A\u5730\u7406\u5750\u6A19\u3002\u5361\u65AF\u5E15\u723E\u7684\u5144\u9577\uFF0COle Christopher\uFF0C\u4E5F\u662F\u53C3\u8207\u8005\u4E4B\u4E00\u30021764\u5E74Ole Christopher\u9700\u8981\u4E00\u540D\u52A9\u624B\uFF0C\u4FBF\u627E\u4E86\u4ED6\u7684\u5F1F\u5F1F\u3002\u4ED6\u9817\u70BA\u8CA7\u56F0\uFF0C\u9664\u4E86\u6E2C\u91CF\u4E4B\u5916\uFF0C\u9084\u8981\u91CF\u5730\u5716\u3002 \u6E2C\u91CF\u5E2B\u7684\u5DE5\u5177\u6D89\u53CA\u5E7E\u4F55\u5B78\uFF0C\u6FC0\u767C\u4ED6\u63A2\u7A76\u8907\u6578\u7684\u5E7E\u4F55\u610F\u7FA9\u30021799\u5E74\uFF0C\u5176\u8AD6\u6587Om directionens analytiske betegning\uFF08\u82F1\u8A9E\uFF1AOn the Analytical Representation of Direction\uFF09\u520A\u65BC\u4E39\u9EA5\u7687\u5BB6\u79D1\u5B78\u8207\u6587\u5B78\u6703\u3002\u56E0\u70BA\u8A9E\u8A00\u554F\u984C\uFF0C\u5B83\u53D7\u5230\u7684\u6CE8\u610F\u5F88\u5C11\uFF0C\u5176\u7D50\u679C\u5F8C\u4F86\u963F\u723E\u5CA1\uFF081806\u5E74\uFF09\u548C\u9AD8\u65AF\uFF081831\u5E74\uFF09\u90FD\u7368\u7ACB\u767C\u73FE\u4E86\u3002 \u6BD4\u4ED6\u5927\u4E09\u6B72\u7684\u5144\u9577\u662F\u8A69\u4EBA\u3002"@zh . . "1745-06-08"^^ . . "Caspar Wessel (Vestby, 8 de junho de 1745 \u2014 Copenhague, 25 de mar\u00E7o de 1818) foi um matem\u00E1tico dinamarqu\u00EAs-noruegu\u00EAs que descobriu em 1797 uma representa\u00E7\u00E3o gr\u00E1fica para os n\u00FAmeros complexos, publicada em 1798 nas atas da academia dinamarquesa. O trabalho de Wessel ficou praticamente esquecido. A interpreta\u00E7\u00E3o geom\u00E9trica foi amplamente aceita alguns anos mais tarde, quando Gauss publicou resultados an\u00E1logos. Hoje, o nome do plano onde representa-se os n\u00FAmeros complexos \u00E9 conhecido como Plano de Argand-Gauss."@pt . . . . . "Caspar Wessel (ur. 8 czerwca 1745 w Vestby, zm. 25 marca 1818 w Kopenhadze) \u2013 norwesko-du\u0144ski matematyk, z zawodu mierniczy. Starszy brat Caspara Wessela, Johan Herman Wessel jest znan\u0105 postaci\u0105 literatury norweskiej i du\u0144skiej."@pl . "\u041A\u0430\u0441\u043F\u0430\u0440 \u0412\u0435\u0441\u0441\u0435\u043B\u044C (\u043D\u043E\u0440\u0432. Caspar Wessel; 1745\u20141818) \u2014 \u0434\u0430\u0442\u0441\u043A\u043E-\u043D\u043E\u0440\u0432\u0435\u0436\u0441\u043A\u0438\u0439 \u043C\u0430\u0442\u0435\u043C\u0430\u0442\u0438\u043A, \u043F\u043E \u043F\u0440\u043E\u0444\u0435\u0441\u0441\u0438\u0438 \u0437\u0435\u043C\u043B\u0435\u043C\u0435\u0440.\u0410\u0432\u0442\u043E\u0440 \u0441\u043E\u0447\u0438\u043D\u0435\u043D\u0438\u044F (1799), \u043F\u043E\u0441\u0432\u044F\u0449\u0435\u043D\u043D\u043E\u0433\u043E \u0442\u0435\u043E\u0440\u0438\u0438 \u0432\u0435\u043A\u0442\u043E\u0440\u043E\u0432 \u043D\u0430 \u043F\u043B\u043E\u0441\u043A\u043E\u0441\u0442\u0438 \u0438 \u0432 \u043F\u0440\u043E\u0441\u0442\u0440\u0430\u043D\u0441\u0442\u0432\u0435, \u0432 \u043A\u043E\u0442\u043E\u0440\u043E\u043C \u0432\u043F\u0435\u0440\u0432\u044B\u0435 \u0434\u0430\u043D\u043E \u0433\u0435\u043E\u043C\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043A\u043E\u0435 \u043F\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043B\u0435\u043D\u0438\u0435 \u043A\u043E\u043C\u043F\u043B\u0435\u043A\u0441\u043D\u044B\u0445 \u0447\u0438\u0441\u0435\u043B. \u0412 \u0442\u0435\u0447\u0435\u043D\u0438\u0435 \u0441\u0442\u043E\u043B\u0435\u0442\u0438\u044F \u0441\u043E\u0447\u0438\u043D\u0435\u043D\u0438\u0435 \u0412\u0435\u0441\u0441\u0435\u043B\u044F \u043E\u0441\u0442\u0430\u0432\u0430\u043B\u043E\u0441\u044C \u043D\u0435\u0438\u0437\u0432\u0435\u0441\u0442\u043D\u044B\u043C, \u0430 \u0435\u0433\u043E \u0440\u0435\u0437\u0443\u043B\u044C\u0442\u0430\u0442\u044B \u043E\u0442\u043A\u0440\u044B\u0432\u0430\u043B\u0438\u0441\u044C \u0432\u043D\u043E\u0432\u044C."@ru . . . "Caspar Wessel ( (Vestby), 8 juni 1745 - Kopenhagen, 25 maart 1818) was een Noors landmeter en wiskundige."@nl . . . . . . . . "\u5361\u65AF\u5E15\u723E\u00B7\u97CB\u585E\u723E\uFF08Caspar Wessel\uFF09\uFF081745\u5E746\u67088\u65E5\uFF0D1818\u5E743\u670825\u65E5\uFF09\uFF0C\u4E39\u9EA5-\u632A\u5A01\u6578\u5B78\u5BB6\u3002 \u4ED6\u751F\u65BC\u632A\u5A01\u963F\u514B\u4EC0\u80E1\u65AF\u90E1\u7684\u97CB\u65AF\u7279\u6BD4\u81EA\u6CBB\u5340\uFF0C\u6210\u9577\u65BC\u4E00\u500B\u6709\u5341\u56DB\u500B\u5B69\u5B50\u7684\u5BB6\uFF0C\u6392\u884C\u7B2C\u516D\u30021763\u5E74\uFF0C\u4ED6\u5B8C\u6210\u4E2D\u5B78\u5F8C\uFF0C\u56E0\u70BA\u7576\u6642\u632A\u5A01\u6C92\u6709\u5927\u5B78\uFF0C\u5F80\u4E39\u9EA5\u7684\u54E5\u672C\u54C8\u6839\u5927\u5B78\u5B78\u7FD2\u3002 \u4E39\u9EA5\u7687\u5BB6\u79D1\u5B78\u9662\u958B\u5C55\u4E86\u5730\u5F62\u6E2C\u91CF\u8A08\u5283\uFF0C\u4F7F\u7528\u4E09\u89D2\u6E2C\u91CF\u4EE5\u6C7A\u5B9A\u5730\u7406\u5750\u6A19\u3002\u5361\u65AF\u5E15\u723E\u7684\u5144\u9577\uFF0COle Christopher\uFF0C\u4E5F\u662F\u53C3\u8207\u8005\u4E4B\u4E00\u30021764\u5E74Ole Christopher\u9700\u8981\u4E00\u540D\u52A9\u624B\uFF0C\u4FBF\u627E\u4E86\u4ED6\u7684\u5F1F\u5F1F\u3002\u4ED6\u9817\u70BA\u8CA7\u56F0\uFF0C\u9664\u4E86\u6E2C\u91CF\u4E4B\u5916\uFF0C\u9084\u8981\u91CF\u5730\u5716\u3002 \u6E2C\u91CF\u5E2B\u7684\u5DE5\u5177\u6D89\u53CA\u5E7E\u4F55\u5B78\uFF0C\u6FC0\u767C\u4ED6\u63A2\u7A76\u8907\u6578\u7684\u5E7E\u4F55\u610F\u7FA9\u30021799\u5E74\uFF0C\u5176\u8AD6\u6587Om directionens analytiske betegning\uFF08\u82F1\u8A9E\uFF1AOn the Analytical Representation of Direction\uFF09\u520A\u65BC\u4E39\u9EA5\u7687\u5BB6\u79D1\u5B78\u8207\u6587\u5B78\u6703\u3002\u56E0\u70BA\u8A9E\u8A00\u554F\u984C\uFF0C\u5B83\u53D7\u5230\u7684\u6CE8\u610F\u5F88\u5C11\uFF0C\u5176\u7D50\u679C\u5F8C\u4F86\u963F\u723E\u5CA1\uFF081806\u5E74\uFF09\u548C\u9AD8\u65AF\uFF081831\u5E74\uFF09\u90FD\u7368\u7ACB\u767C\u73FE\u4E86\u3002 \u6BD4\u4ED6\u5927\u4E09\u6B72\u7684\u5144\u9577\u662F\u8A69\u4EBA\u3002"@zh . . "Caspar Wessel"@ca . . "Caspar Wessel (8. \u010Dervna 1745, - 25. b\u0159ezna 1818, Koda\u0148) byl norsko-d\u00E1nsk\u00FD matematik, kartograf a geodet. Jako prvn\u00ED na sv\u011Bt\u011B, roku 1799, dosp\u011Bl ke geometrick\u00E9 a goniometrick\u00E9 interpretaci komplexn\u00EDch \u010D\u00EDsel a definoval jako prvn\u00ED vektorov\u00FD po\u010Det. Dosp\u011Bl t\u00E9\u017E k Moivreov\u011B v\u011Bt\u011B."@cs . . . . . "Caspar Wessel"@en . "\u041A\u0430\u0441\u043F\u0430\u0440 \u0412\u0435\u0441\u0441\u0435\u043B\u044C (\u043D\u043E\u0440\u0432. Caspar Wessel; 1745\u20141818) \u2014 \u0434\u0430\u0442\u0441\u043A\u043E-\u043D\u043E\u0440\u0432\u0435\u0436\u0441\u043A\u0438\u0439 \u043C\u0430\u0442\u0435\u043C\u0430\u0442\u0438\u043A, \u043F\u043E \u043F\u0440\u043E\u0444\u0435\u0441\u0441\u0438\u0438 \u0437\u0435\u043C\u043B\u0435\u043C\u0435\u0440.\u0410\u0432\u0442\u043E\u0440 \u0441\u043E\u0447\u0438\u043D\u0435\u043D\u0438\u044F (1799), \u043F\u043E\u0441\u0432\u044F\u0449\u0435\u043D\u043D\u043E\u0433\u043E \u0442\u0435\u043E\u0440\u0438\u0438 \u0432\u0435\u043A\u0442\u043E\u0440\u043E\u0432 \u043D\u0430 \u043F\u043B\u043E\u0441\u043A\u043E\u0441\u0442\u0438 \u0438 \u0432 \u043F\u0440\u043E\u0441\u0442\u0440\u0430\u043D\u0441\u0442\u0432\u0435, \u0432 \u043A\u043E\u0442\u043E\u0440\u043E\u043C \u0432\u043F\u0435\u0440\u0432\u044B\u0435 \u0434\u0430\u043D\u043E \u0433\u0435\u043E\u043C\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043A\u043E\u0435 \u043F\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043B\u0435\u043D\u0438\u0435 \u043A\u043E\u043C\u043F\u043B\u0435\u043A\u0441\u043D\u044B\u0445 \u0447\u0438\u0441\u0435\u043B. \u0412 \u0442\u0435\u0447\u0435\u043D\u0438\u0435 \u0441\u0442\u043E\u043B\u0435\u0442\u0438\u044F \u0441\u043E\u0447\u0438\u043D\u0435\u043D\u0438\u0435 \u0412\u0435\u0441\u0441\u0435\u043B\u044F \u043E\u0441\u0442\u0430\u0432\u0430\u043B\u043E\u0441\u044C \u043D\u0435\u0438\u0437\u0432\u0435\u0441\u0442\u043D\u044B\u043C, \u0430 \u0435\u0433\u043E \u0440\u0435\u0437\u0443\u043B\u044C\u0442\u0430\u0442\u044B \u043E\u0442\u043A\u0440\u044B\u0432\u0430\u043B\u0438\u0441\u044C \u0432\u043D\u043E\u0432\u044C."@ru . . "1745-06-08"^^ . "Caspar Wessel (8. \u010Dervna 1745, - 25. b\u0159ezna 1818, Koda\u0148) byl norsko-d\u00E1nsk\u00FD matematik, kartograf a geodet. Jako prvn\u00ED na sv\u011Bt\u011B, roku 1799, dosp\u011Bl ke geometrick\u00E9 a goniometrick\u00E9 interpretaci komplexn\u00EDch \u010D\u00EDsel a definoval jako prvn\u00ED vektorov\u00FD po\u010Det. Dosp\u011Bl t\u00E9\u017E k Moivreov\u011B v\u011Bt\u011B."@cs . . . . . . "Caspar Wessel (* 8. Juni 1745 in , Vestby; \u2020 25. M\u00E4rz 1818 in Kopenhagen) war ein norwegisch-d\u00E4nischer Mathematiker und Geod\u00E4t. Nach dem Schulbesuch in Oslo ging er an die Universit\u00E4t Kopenhagen zum Studium der Rechtswissenschaften. Aus finanziellen Gr\u00FCnden brach er dies aber ab und wurde 1764 Kartograph der d\u00E4nischen Vermessungskommission, die damals ein umfassendes Vermessungsprojekt betrieb. Auch wenn er 1778 doch noch den Grad des \u201Ecandidatus juris\u201C erwarb, blieb er zeitlebens Vermesser. 1796 war die Vermessung D\u00E4nemarks abgeschlossen. Zwischenzeitlich \u2013 von 1782 bis 1785 \u2013 verma\u00DF Wessel f\u00FCr die Oldenburgische Vogteikarte das Herzogtum Oldenburg. 1797 reichte Wessel bei der K\u00F6niglich D\u00E4nischen Akademie der Wissenschaften seine einzige mathematische Arbeit mit dem Titel \u201EOm Directionens analytiske betegning\u201C (\u201E\u00DCber die analytische Repr\u00E4sentation der Richtung\u201C) ein, die 1799 in den M\u00E9moires der d\u00E4nischen Akademie der Wissenschaften ver\u00F6ffentlicht wurde. Darin schlug Wessel unabh\u00E4ngig von Jean Robert Argand die geometrische Deutung der komplexen Zahlen als Punkte der Ebene vor. Ihre Arbeiten blieben lange unbeachtet und wurden erst 1897 durch den Mathematiker Christian Juel wiederentdeckt und gew\u00FCrdigt. Erst eine Arbeit von Carl Friedrich Gau\u00DF \u00FCber quadratische Reste aus dem Jahre 1831 verhalf dieser Deutung zum Durchbruch. 1805 ging Caspar Wessel in den Ruhestand."@de . . . "Caspar Wessel"@en . "Caspar Wessel (Vestby, cerca de , Noruega; 8 de junio de 1745-Copenhague, Dinamarca; 25 de marzo de 1818) fue un matem\u00E1tico noruego-dan\u00E9s."@es . . . . "Caspar Wessel (Vestby, inguruan, Norvegia, 1745eko ekainaren 8a - Kopenhage, Danimarka, 1818ko martxoaren 25a ) norvegiar-daniar matematikaria izan zen."@eu . . . . . . . . . . . . . . "Caspar Wessel, f\u00F6dd 8 juni 1745, d\u00F6d 25 mars 1818, var en norsk-dansk geodet och matematiker, yngre bror till den norske f\u00F6rfattaren Johan Herman Wessel. Wessel f\u00F6ddes i Vestby i Akershus fylke i Norge. Efter att ha avslutat gymnasiala studier flyttade han 1763 till Danmark f\u00F6r vidare studier (Norge hade inget eget universitet vid den tiden) och avlade d\u00E4r candidatus juris-examen \u00E5r 1778. Fr\u00E5n 1794 och fram\u00E5t arbetade han som lantm\u00E4tare och blev 1798 kunglig inspekt\u00F6r f\u00F6r lantm\u00E4teri. Han utf\u00F6rde mycket betydelsefulla arbeten r\u00F6rande Danmarks triangulering och kartl\u00E4ggning."@sv . "Caspar Wessel"@de . . "Caspar Wessel"@it . . . . . . . . "1108126799"^^ . . "Caspar Wessel"@pt . "Caspar Wessel (8 June 1745, Vestby \u2013 25 March 1818, Copenhagen) was a Danish\u2013Norwegian mathematician and cartographer. In 1799, Wessel was the first person to describe the geometrical interpretation of complex numbers as points in the complex plane and vectors."@en . . . . . . . . "Caspar Wessel (Vestby, cerca de , Noruega; 8 de junio de 1745-Copenhague, Dinamarca; 25 de marzo de 1818) fue un matem\u00E1tico noruego-dan\u00E9s."@es . . "1818-03-25"^^ . . . "Caspar Wessel (1745-1818) fou un matem\u00E0tic i cart\u00F2graf del segle XVIII, conegut per haver estat el primer a proporcionar una interpretaci\u00F3 geom\u00E8trica dels nombres complexos."@ca . . "right"@en . . . . . . . . . . . . . . "Caspar Wessel, f\u00F6dd 8 juni 1745, d\u00F6d 25 mars 1818, var en norsk-dansk geodet och matematiker, yngre bror till den norske f\u00F6rfattaren Johan Herman Wessel. Wessel f\u00F6ddes i Vestby i Akershus fylke i Norge. Efter att ha avslutat gymnasiala studier flyttade han 1763 till Danmark f\u00F6r vidare studier (Norge hade inget eget universitet vid den tiden) och avlade d\u00E4r candidatus juris-examen \u00E5r 1778. Fr\u00E5n 1794 och fram\u00E5t arbetade han som lantm\u00E4tare och blev 1798 kunglig inspekt\u00F6r f\u00F6r lantm\u00E4teri. Han utf\u00F6rde mycket betydelsefulla arbeten r\u00F6rande Danmarks triangulering och kartl\u00E4ggning. Den matematiska aspekten av lantm\u00E4teri ledde honom att utforska en geometrisk tolkning av komplexa tal och han skrev en grundl\u00E4ggande avhandling i \u00E4mnet - Om directionens analytiske betegning (Om riktningens analytiska representation) - som publicerades 1799 av den Videnskabernas Selskab. P\u00E5 grund av att den var skriven p\u00E5 danska kom dock hans resultat att f\u00F6rbli i stort sett ok\u00E4nda, och Jean-Robert Argand och Carl Friedrich Gauss kom senare, oberoende av Wessel, fram till samma metoder. Wessel erk\u00E4nns dock idag allm\u00E4nt som upphovsmannen till id\u00E9n att representera komplexa tal som punkter i ett koordinatsystem med den reella delen av talet p\u00E5 ena axeln och den imagin\u00E4ra delen p\u00E5 den andra."@sv . . "21418268"^^ . "Caspar Wessel"@eu . . . "Caspar Wessel (1745-1818) est un math\u00E9maticien danois et norv\u00E9gien."@fr . . . . . . . . . . "Caspar Wessel"@nl . . . "\u5361\u65AF\u5E15\u5C14\u00B7\u97E6\u585E\u5C14"@zh . . . . "\u0643\u0627\u0633\u0628\u0631 \u0648\u064A\u0633\u0644"@ar . . "Caspar Wessel (Vestby, 8 giugno 1745 \u2013 Copenaghen, 25 marzo 1818) \u00E8 stato un matematico norvegese naturalizzato danese. Dopo aver completato la scuola secondaria, nel 1763 Caspar Wessel si trasfer\u00EC in Danimarca per frequentare l'universit\u00E0, non essendocene alcuna nella Norvegia di allora. Nel 1794 si impieg\u00F2 come ispettore dell'Istituto Reale di Topografia. Furono gli aspetti matematici della topografia che lo portarono ad esplorare il significato geometrico dei numeri complessi."@it . "\u0412\u0435\u0441\u0441\u0435\u043B\u044C, \u041A\u0430\u0441\u043F\u0430\u0440"@ru . . "\u0643\u0627\u0633\u0628\u0631 \u0648\u064A\u0633\u0644 (8 \u064A\u0648\u0646\u064A\u0648 1745 \u2013 25 \u0645\u0627\u0631\u0633 1818) \u0639\u0627\u0644\u0645 \u0631\u064A\u0627\u0636\u064A\u0627\u062A \u0648\u0631\u0633\u0627\u0645 \u062E\u0631\u0627\u0626\u0637 \u0646\u0631\u0648\u064A\u062C\u0649 \u0627\u0644\u0645\u0648\u0644\u062F\u060C\u0646\u0631\u0648\u064A\u062C\u0649 \u0648\u062F\u0646\u0645\u0627\u0631\u0643\u0649 \u0627\u0644\u062C\u0646\u0633\u064A\u0629\u060C \u0639\u0627\u0645 1799 \u0643\u0627\u0646 \u0648\u064A\u0633\u0644 \u0623\u0648\u0644 \u0634\u062E\u0635 \u064A\u0642\u0648\u0645 \u0628\u0648\u0635\u0641 \u0627\u0644\u062A\u0641\u0633\u064A\u0631 \u0627\u0644\u0647\u0646\u062F\u0633\u0649 \u0644\u0644\u0623\u0639\u062F\u0627\u062F \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0643\u0646\u0642\u0627\u0637 \u0641\u064A \u0627\u0644\u0645\u0633\u062A\u0648\u0649 \u0627\u0644\u0645\u0631\u0643\u0628.\u0648\u0643\u0627\u0646 \u0627\u0644\u0634\u0642\u064A\u0642 \u0627\u0644\u0623\u0635\u063A\u0631 \u0644\u0644\u0634\u0627\u0639\u0631 \u0648\u0627\u0644\u0643\u0627\u062A\u0628 \u0627\u0644\u0645\u0633\u0631\u062D\u0649 \u064A\u0648\u0647\u0627\u0646 \u0647\u064A\u0631\u0645\u0627\u0646 \u0648\u064A\u0633\u0644."@ar . . . . "Caspar Wessel"@pl . "Caspar Wessel (ur. 8 czerwca 1745 w Vestby, zm. 25 marca 1818 w Kopenhadze) \u2013 norwesko-du\u0144ski matematyk, z zawodu mierniczy. Starszy brat Caspara Wessela, Johan Herman Wessel jest znan\u0105 postaci\u0105 literatury norweskiej i du\u0144skiej."@pl . . . . "Caspar Wessel (8 June 1745, Vestby \u2013 25 March 1818, Copenhagen) was a Danish\u2013Norwegian mathematician and cartographer. In 1799, Wessel was the first person to describe the geometrical interpretation of complex numbers as points in the complex plane and vectors."@en . . . . . "Caspar Wessel (Vestby, inguruan, Norvegia, 1745eko ekainaren 8a - Kopenhage, Danimarka, 1818ko martxoaren 25a ) norvegiar-daniar matematikaria izan zen."@eu . "Caspar Wessel (* 8. Juni 1745 in , Vestby; \u2020 25. M\u00E4rz 1818 in Kopenhagen) war ein norwegisch-d\u00E4nischer Mathematiker und Geod\u00E4t. Nach dem Schulbesuch in Oslo ging er an die Universit\u00E4t Kopenhagen zum Studium der Rechtswissenschaften. Aus finanziellen Gr\u00FCnden brach er dies aber ab und wurde 1764 Kartograph der d\u00E4nischen Vermessungskommission, die damals ein umfassendes Vermessungsprojekt betrieb. Auch wenn er 1778 doch noch den Grad des \u201Ecandidatus juris\u201C erwarb, blieb er zeitlebens Vermesser. 1796 war die Vermessung D\u00E4nemarks abgeschlossen. 1805 ging Caspar Wessel in den Ruhestand."@de . . "Caspar Wessel"@fr . "Caspar Wessel"@cs . . . . "Caspar Wessel (Vestby, 8 giugno 1745 \u2013 Copenaghen, 25 marzo 1818) \u00E8 stato un matematico norvegese naturalizzato danese. Dopo aver completato la scuola secondaria, nel 1763 Caspar Wessel si trasfer\u00EC in Danimarca per frequentare l'universit\u00E0, non essendocene alcuna nella Norvegia di allora. Nel 1794 si impieg\u00F2 come ispettore dell'Istituto Reale di Topografia. Furono gli aspetti matematici della topografia che lo portarono ad esplorare il significato geometrico dei numeri complessi. Su tale argomento scrisse la sua opera principale Om directionens analytiske betegning pubblicata nel 1799. Essendo per\u00F2 scritta in lingua danese, essa venne pressoch\u00E9 ignorata, cosicch\u00E9 soltanto pi\u00F9 tardi e in modo indipendente gli stessi risultati vennero riscoperti da Jean-Robert Argand e da Carl Friedrich Gauss. Tuttavia la priorit\u00E0 dell'idea di Wessel di rappresentare un numero complesso come un punto giacente nel piano complesso gli fu universalmente riconosciuta quando la sua opera venne successivamente tradotta in francese e in inglese."@it . . . . . . . . . . . . "\u0643\u0627\u0633\u0628\u0631 \u0648\u064A\u0633\u0644 (8 \u064A\u0648\u0646\u064A\u0648 1745 \u2013 25 \u0645\u0627\u0631\u0633 1818) \u0639\u0627\u0644\u0645 \u0631\u064A\u0627\u0636\u064A\u0627\u062A \u0648\u0631\u0633\u0627\u0645 \u062E\u0631\u0627\u0626\u0637 \u0646\u0631\u0648\u064A\u062C\u0649 \u0627\u0644\u0645\u0648\u0644\u062F\u060C\u0646\u0631\u0648\u064A\u062C\u0649 \u0648\u062F\u0646\u0645\u0627\u0631\u0643\u0649 \u0627\u0644\u062C\u0646\u0633\u064A\u0629\u060C \u0639\u0627\u0645 1799 \u0643\u0627\u0646 \u0648\u064A\u0633\u0644 \u0623\u0648\u0644 \u0634\u062E\u0635 \u064A\u0642\u0648\u0645 \u0628\u0648\u0635\u0641 \u0627\u0644\u062A\u0641\u0633\u064A\u0631 \u0627\u0644\u0647\u0646\u062F\u0633\u0649 \u0644\u0644\u0623\u0639\u062F\u0627\u062F \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0643\u0646\u0642\u0627\u0637 \u0641\u064A \u0627\u0644\u0645\u0633\u062A\u0648\u0649 \u0627\u0644\u0645\u0631\u0643\u0628.\u0648\u0643\u0627\u0646 \u0627\u0644\u0634\u0642\u064A\u0642 \u0627\u0644\u0623\u0635\u063A\u0631 \u0644\u0644\u0634\u0627\u0639\u0631 \u0648\u0627\u0644\u0643\u0627\u062A\u0628 \u0627\u0644\u0645\u0633\u0631\u062D\u0649 \u064A\u0648\u0647\u0627\u0646 \u0647\u064A\u0631\u0645\u0627\u0646 \u0648\u064A\u0633\u0644."@ar . . . . . "Caspar Wessel"@en . "1818-03-25"^^ .