R. Fletcher
1963–2025 年に発表
- 別表記
- R Fletcher
- 59
- 論文数
- 23,692
- 被引用数
- 42
- h 指数
- 57
- i10 指数
被引用数
引用元
国・地域
機関
分野
- Computer Science33.8%
- Engineering23.2%
- Mathematics22.1%
- Medicine3.8%
- Physics and Astronomy3.4%
- Biochemistry, Genetics and Molecular Biology3.4%
- その他10.3%
トピック
- Advanced Optimization Algorithms Research9.4%
- Matrix Theory and Algorithms4.8%
- Sparse and Compressive Sensing Techniques3.8%
- Iterative Methods for Nonlinear Equations3.4%
- Optimization and Variational Analysis3%
- Neural Networks and Applications2.1%
- その他73.5%
共著者
- Mohamed Elgendi11
- Carlo Menon10
- John Allen6
- Derek Abbott5
- Rabab Ward5
- Aymen Alian4
- Gabriel Chan4
- Newton Howard4
- Nigel H. Lovell4
- B. Jonson3
- Dingchang Zheng3
- Kaylie Welykholowa3
- Manish Hosanee3
- P. A. Kyriacou3
- Rachel Cooper3
- Wee‐Shian Chan3
- C. M. Reeves2
- Hagen Bomberg2
- Kenneth Lim2
- M. Al-Baali2
- M. J. D. Powell2
- Tristan Stampfler2
- Urs Eichenberger2
- A Camm1
全論文
- Function minimization by conjugate gradients
著者: R. Fletcher, C. M. Reeves - The Computer Journal, Comput. J. 1964 被引用: 4,881
- A New Approach to Variable Metric Algorithms
著者: R. Fletcher - The Computer Journal, Comput. J. 1970 被引用: 4,053
- A Rapidly Convergent Descent Method for Minimization
著者: R. Fletcher, M. J. D. Powell - The Computer Journal, Comput. J. 1963 被引用: 4,598
- Cuffless Single-Site Photoplethysmography for Blood Pressure Monitoring
著者: Manish Hosanee, Gabriel Chan, Kaylie Welykholowa, Rachel Cooper, P. A. Kyriacou, Dingchang Zheng, John Allen, Derek Abbott, Carlo Menon, Nigel H. Lovell, Newton Howard, Wee‐Shian Chan, Kenneth Lim, R. Fletcher, Rabab Ward, Mohamed Elgendi - Journal of Clinical Medicine 2020 被引用: 131
- Fall detection using accelerometer-based smartphones: Where do we go from here?
著者: Tristan Stampfler, Mohamed Elgendi, R. Fletcher, Carlo Menon - Frontiers in Public Health 2022 被引用: 22
- Conjugate gradient methods for indefinite systems
著者: R. Fletcher - Lecture notes in mathematics 1976 被引用: 799
- On the Barzilai-Borwein Method
著者: R. Fletcher - Applied optimization 2005 被引用: 250
- The use of deep learning for smartphone-based human activity recognition
著者: Tristan Stampfler, Mohamed Elgendi, R. Fletcher, Carlo Menon - Frontiers in Public Health 2023 被引用: 19
- Multi-Site Photoplethysmography Technology for Blood Pressure Assessment: Challenges and Recommendations
著者: Gabriel Chan, Rachel Cooper, Manish Hosanee, Kaylie Welykholowa, P. A. Kyriacou, Dingchang Zheng, John Allen, Derek Abbott, Nigel H. Lovell, R. Fletcher, Mohamed Elgendi - Journal of Clinical Medicine 2019 被引用: 90
- Recommendations for evaluating photoplethysmography-based algorithms for blood pressure assessment
著者: Mohamed Elgendi, Fridolin Haugg, R. Fletcher, John Allen, Hang‐Sik Shin, Aymen Alian, Carlo Menon - Communications Medicine 2024 被引用: 28
- Practical Methods of Optimization.
著者: Christoph Witzgall, R. Fletcher - Mathematics of Computation 1989 被引用: 3,624
- An Ideal Penalty Function for Constrained Optimization
著者: R. Fletcher - IMA Journal of Applied Mathematics 1975 被引用: 185
- Multimodal Photoplethysmography-Based Approaches for Improved Detection of Hypertension
著者: Kaylie Welykholowa, Manish Hosanee, Gabriel Chan, Rachel Cooper, P. A. Kyriacou, Dingchang Zheng, John Allen, Derek Abbott, Carlo Menon, Nigel H. Lovell, Newton Howard, Wee‐Shian Chan, Kenneth Lim, R. Fletcher, Rabab Ward, Mohamed Elgendi - Journal of Clinical Medicine 2020 被引用: 50
- A model algorithm for composite nondifferentiable optimization problems
著者: R. Fletcher - Mathematical programming studies 1982 被引用: 121
- A General Quadratic Programming Algorithm
著者: R. Fletcher - IMA Journal of Applied Mathematics 1971 被引用: 226
- A modified Newton method for minimization
著者: R. Fletcher, T. L. Freeman - Journal of Optimization Theory and Applications 1977 被引用: 49
- A modified Marquardt subroutine for non-linear least squares
著者: R. Fletcher - 1971 被引用: 206
- Assessment of Hypertension Using Clinical Electrocardiogram Features: A First-Ever Review
著者: Kathleen A. Bird, Gabriel Chan, Huiqi Lu, Heloise Greeff, John Allen, Derek Abbott, Carlo Menon, Nigel H. Lovell, Newton Howard, Wee‐Shian Chan, R. Fletcher, Aymen Alian, Rabab Ward, Mohamed Elgendi - Frontiers in Medicine 2020 被引用: 33
- The use of multi-site photoplethysmography (PPG) as a screening tool for coronary arterial disease and atherosclerosis
著者: Victoria Ouyang, Botong Ma, Niccolo Pignatelli, Shantanu P. Sengupta, Partho P. Sengupta, Kunda Mungulmare, R. Fletcher - Physiological Measurement 2020 被引用: 28
- Photoplethysmography Features Correlated with Blood Pressure Changes
著者: Mohamed Elgendi, Elisabeth Jost, Aymen Alian, R. Fletcher, Hagen Bomberg, Urs Eichenberger, Carlo Menon - Diagnostics 2024 被引用: 15
- Nonlinear Programming
著者: R. Fletcher - Practical Methods of Optimization 2000 被引用: 244
- Variational Methods for Non-Linear Least-Squares
著者: M. Al-Baali, R. Fletcher - Journal of the Operational Research Society 1985 被引用: 97
- Wearable sensors: Opportunities and challenges for low-cost health care
著者: R. Fletcher, Ming‐Zher Poh, Hoda Eydgahi - Annual International Conference of the IEEE Engineering in Medicine and Biology 2010 被引用: 79
- The Performance of Deep Neural Networks in Differentiating Chest X-Rays of COVID-19 Patients From Other Bacterial and Viral Pneumonias
著者: Mohamed Elgendi, Muhammad Umer Nasir, Qunfeng Tang, R. Fletcher, Newton Howard, Carlo Menon, Rabab Ward, William Parker, Savvas Nicolaou - Frontiers in Medicine 2020 被引用: 42
