Roger Fletcher
FRS FRSE (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, structure, space, models, and change.
History
On ...
and professor at
University of Dundee
, mottoeng = "My soul doth magnify the Lord"
, established = 1967 – gained independent university status by Royal Charter1897 – Constituent college of the University of St Andrews1881 – University College
, ...
.
He was a Fellow of the
Society for Industrial and Applied Mathematics (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.
See also
*
BFGS method
*
Davidon–Fletcher–Powell formula The Davidon–Fletcher–Powell formula (or DFP; named after William C. Davidon, Roger Fletcher, and Michael J. D. Powell) finds the solution to the secant equation that is closest to the current estimate and satisfies the curvature condition. It ...
*
Nonlinear conjugate gradient method In numerical optimization, the nonlinear conjugate gradient method generalizes the conjugate gradient method to nonlinear optimization. For a quadratic function \displaystyle f(x)
:: \displaystyle f(x)=\, Ax-b\, ^2,
the minimum of f is obtained whe ...
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