Qualifications
Research Interests
Research interests include numerical optimization, linear algebra and applications and computational science.
Recent Publications
- Coope ID. and Tappenden R. (2021) Gradient and diagonal Hessian approximations using quadratic interpolation models and aligned regular bases. Numerical Algorithms 88(2): 767-791. http://dx.doi.org/10.1007/s11075-020-01056-8.
- Coope I. and Tappenden R. (2019) Efficient calculation of regular simplex gradients. Computational Optimization and Applications 72(3): 561-588. http://dx.doi.org/10.1007/s10589-019-00063-3.
- Tappenden R., Hegarty J., Broughton R., Butler A., Coope I. and Renaud P. (2013) X-ray image enhancement via determinant based feature selection. Australasian Physical & Engineering Sciences in Medicine 36(4): 449-455. http://dx.doi.org/10.1007/s13246-013-0221-1.
- Broughton RL., Coope ID., Renaud PF. and Tappenden RE. (2011) A box constrained gradient projection algorithm for compressed sensing. Signal Processing 91(8): 1985-1992. http://dx.doi.org/10.1016/j.sigpro.2011.03.003.
- Broughton R., Coope I., Renaud P. and Tappenden R. (2010) Determinant and exchange algorithms for observation subset selection. IEEE Transactions on Image Processing 19(9): 2437-2443. http://dx.doi.org/10.1109/TIP.2010.2048150.