Roger Fletcher
FRS FRSE
Fellowship of the Royal Society of Edinburgh (FRSE) is an award granted to individuals that the Royal Society of Edinburgh, Scotland's national academy of science and Literature, letters, judged to be "eminently distinguished in their subject". ...
(29 January 1939 – 15 July 2016) was a British
mathematician
A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...
and professor at
University of Dundee.
He was a Fellow of the
Society for Industrial and Applied Mathematics
Society for Industrial and Applied Mathematics (SIAM) is a professional society dedicated to applied mathematics, computational science, and data science through research, publications, and community. SIAM is the world's largest scientific soci ...
(SIAM) and was elected as a Fellow of the Royal Society in 2003.
In 2006, he won the Lagrange Prize from SIAM.
In 2008, he was awarded a Royal Medal of the Royal Society of Edinburgh.
The Royal Society published his memoir in 2025.
See also
*
BFGS method
*
Biconjugate gradient method
In mathematics, more specifically in numerical linear algebra, the biconjugate gradient method is an algorithm to solve systems of linear equations
:A x= b.\,
Unlike the conjugate gradient method, this algorithm does not require the matrix A to ...
*
Davidon–Fletcher–Powell formula
*
Nonlinear conjugate gradient method
Bibliography
*''Practical methods of optimization'', Wiley, 1987, ; Wiley, 2000,
References
{{DEFAULTSORT:Fletcher, Roger
1939 births
2016 deaths
British mathematicians
Fellows of the Royal Society of Edinburgh
Fellows of the Royal Society
Academics of the University of Dundee