Rehuel Lobatto

from Wikipedia, the free encyclopedia
Rehuel Lobatto
Memorial plaque for Lobatto (in Delft)

Rehuel Lobatto (born June 6, 1797 in Amsterdam , † February 9, 1866 in Delft ) was a Dutch mathematician .

Life

Lobatto came from a Marrano family (originally from Portugal originating Jews ): His father was the broker Isaac Cohen Lobatto, his mother Rebecca Da Costa. Even as a child he showed a talent for mathematics and was a student of JH van Swinden at the Athenaeum in Amsterdam (around 1811) as well as a student of Adolphe Quetelet in Brussels, with whom he corresponded, under whose influence he turned to statistics and with the he edited the Correspondance Mathématique et Physique . As a Jew, he could not become a mathematics lecturer in the Netherlands at the time, but in 1816 he got a job in the Ministry of the Interior. He was also an advisor to the Ministry of Weights and Measures and in 1831 secretary of the first statistical commission in the Netherlands. In 1842 he became professor of mathematics at the newly established Royal Academy in Delft .

He also wrote school books and published the official statistical yearbook in the Netherlands from 1828 to 1849 . In 1841 he became a member of a state rescheduling commission. He was also an advisor to the government on life insurance (a then new line of business in the Netherlands that had the first life insurance company in 1807) and a life insurance company, having published a book on the subject in 1830.

Among other things, it is known for the Gauss-Lobatto method in numerical integration (see also Runge-Kutta method ). In 1827 Lobatto improved Cornelis Douwes' latitude determination method for seafarers.

He was a knight of the Order of the Dutch Lion and an honorary doctorate in Groningen (1834). He was a member of the Royal Netherlands Academy of Sciences and an active member of the Wiskundig Genootschap .

In 1825 he married Clara de Léon, with whom he had over 10 children, four of whom survived.

Fonts

  • Lessen over de Hoogere Algebra, 1845

Web links

Individual evidence

  1. ↑ Ida Stamhuis The mathematician Rehuel Lobatto advocates life insurances in The Netherlands in the period 1830-1860 , Annals of Science, 45, 1980, 619-641
personal data
SURNAME Lobatto, Rehuel
BRIEF DESCRIPTION Dutch mathematician
DATE OF BIRTH June 6, 1797
PLACE OF BIRTH Amsterdam
DATE OF DEATH February 9, 1866
Place of death Delft