# Research Reports

"All truths are easy to understand once they are discovered; the point is to discover them."

- Galileo Galilei

## Reports

- N. Karmitsa, S. Taheri, K. Joki, P. Mäkinen, A. Bagirov, M.M. Mäkelä, "Hyperparameter free NN algorithm for large-scale regression problems", TUCS Technical Report, No. 1213, Turku Centre for Computer Science, Turku, 2020.
- A. Bagirov, S. Taheri, K. Joki, N. Karmitsa, M.M. Mäkelä, "A new subgradient based method for nonsmooth DC programming", TUCS Technical Report, No. 1201, Turku Centre for Computer Science, Turku, 2019.
- N. Karmitsa, S. Taheri, A. Bagirov, P. Mäkinen, "Clusterwise Linear Regression based Missing Value Imputation for Data Preprocessing", TUCS Technical Report, No. 1193, Turku Centre for Computer Science, Turku, 2018.
- K. Joki, A. Bagirov, N. Karmitsa, M.M. Mäkelä, and S. Taheri, "New bundle method for clusterwise linear regression utilizing support vector machines", TUCS Technical Report, No. 1190, Turku Centre for Computer Science, Turku, 2017.
- N. Karmitsa, M. Gaudioso, K. Joki, "Splitting Metrics Diagonal Bundle Method for Large-Scale Nonconvex and Nonsmooth Optimization", TUCS Technical Report, No. 1178, Turku Centre for Computer Science, Turku, 2017.
- K. Joki, A. Bagirov, N. Karmitsa, M.M. Mäkelä, and S. Taheri, "Double Bundle Method for Nonsmooth DC Optimization", TUCS Technical Report, No. 1173, Turku Centre for Computer Science, Turku, 2017.
- N. Karmitsa, A. Bagirov, and S. Taheri, " Limited Memory Bundle Method for Solving Large Clusterwise Linear Regression Problems", TUCS Technical Report, No. 1172, Turku Centre for Computer Science, Turku, 2016.
- N. Karmitsa, A. Bagirov, and S. Taheri, "MSSC Clustering of Large Data using the Limited Memory Bundle Method", TUCS Technical Report, No. 1164, Turku Centre for Computer Science, Turku, 2016. N. Karmitsa, A. Bagirov, and S. Taheri, "Diagonal Bundle Method for Solving the Minimum Sum-of-Squares Clustering Problems ", TUCS Technical Report, No. 1156, Turku Centre for Computer Science, Turku, 2016.
- N. Karmitsa, "On testing nonsmooth formulations of the Lennard-Jones potential in polyatomic clustering problems", TUCS Technical Report, No. 1132, Turku Centre for Computer Science, Turku, 2015.
- K. Joki, A. Bagirov, N. Karmitsa, M.M. Mäkelä, "New Proximal Bundle Method for Nonsmooth DC optimization", TUCS Technical Report, No. 1130, Turku Centre for Computer Science, Turku, 2015.
- O. Wilppu, N. Karmitsa, M.M. Mäkelä, "New Multiple Subgradient Descent Bundle Method for Nonsmooth Multiobjective Optimization." , TUCS technical report No 1126, Turku Centre for Computer Science, Turku, 2014 (2. Version, 2017).
- M.M. Mäkelä, N. Karmitsa, O. Wilppu "Multiobjective Proximal Bundle Method for Nonsmooth Optimization", TUCS technical report No 1120, Turku Centre for Computer Science, Turku, 2014.
- N. Karmitsa, "Diagonal Bundle Method for Nonsmooth Sparse Optimization", TUCS technical report No 1116, Turku Centre for Computer Science, Turku, 2014.
- S. Pulkkinen, M.M. Mäkelä, N. Karmitsa, "A Generalized Trust Region Newton Method Applied to Noise Reduction", TUCS Technical Report, No. 1061, Turku Centre for Computer Science, Turku, 2012.
- M.M. Mäkelä, V.-P. Eronen, N. Karmitsa, "On Nonsmooth Optimality Conditions with Generalized Convexities", TUCS Technical Report, No. 1056, Turku Centre for Computer Science, Turku, 2012.
- S. Pulkkinen, M.M. Mäkelä, N. Karmitsa, "Integral Transformation for Box-Constrained Global Optimization of Decomposable Functions", TUCS Technical Report, No. 1036, Turku Centre for Computer Science, Turku, 2012.
- N. Karmitsa, A. Bagirov, "Limited Memory Discrete Gradient Bundle Method for Nonsmooth Derivative Free Optimization", TUCS Technical Report, No.1011, Turku Centre for Computer Science, Turku, 2011.
- S. Pulkkinen, M.M. Mäkelä, N. Karmitsa, "A Continuation Approach to Global Minimization of Gaussian RBF Models", TUCS Technical Report, No. 998, Turku Centre for Computer Science, Turku, 2010.
- M.M. Mäkelä, N. Karmitsa, V.-P. Eronen, "On Generalized Pseudo- and QuasiConvexities for Nonsmooth Functions", TUCS Technical Report, No. 989, Turku Centre for Computer Science, Turku, 2010.
- N. Karmitsa, M. Tanaka, J. Herskovits, "Nonconvex Nonsmooth Minimization via Cutting Planes and Feasible Direction Interior Point Method", TUCS Technical Report, No. 960, Turku Centre for Computer Science, Turku, 2009.
- N. Karmitsa, A. Bagirov, M.M. Mäkelä, "Empirical and Numerical Comparison of Several Nonsmooth Minimization Methods and Software", TUCS Technical Report, No. 959, Turku Centre for Computer Science, Turku, 2009.
- N. Karmitsa, M.M. Mäkelä, "Globally Convergent Limited Memory Bundle Algorithm for Nondifferentiable Programming subject to Box Constraints", TUCS Technical Report, No. 882, Turku Centre for Computer Science, Turku, 2008.
- N. Karmitsa, "LMBM — FORTRAN Subroutines for Large-Scale Nonsmooth Minimization: User's Manual", TUCS Technical Report, No. 856, Turku Centre for Computer Science, Turku, 2007.
- N. Karmitsa, "Test Problems for Large-Scale Nonsmooth Minimization", Reports of the Department of Mathematical Information Technology, Series B, Scientific computing, No. B 4/2007, University of Jyväskylä, Jyväskylä, 2007.
- N. Karmitsa, M.M. Mäkelä, M. M. Ali, "Limited Memory Bundle Algorithm for Inequality Constrained Nondifferentiable Optimization", Reports of the Department of Mathematical Information Technology, Series B, Scientific computing, No. B 3/2007, University of Jyväskylä, Jyväskylä, 2007.
- M. Haarala, M.M. Mäkelä, "Limited Memory Bundle Algorithm for Large Bound Constrained Nonsmooth Minimization Problems", Reports of the Department of Mathematical Information Technology, Series B, Scientific computing, No. B 1/2006, University of Jyväskylä, Jyväskylä, 2006.
- M. Haarala, K. Miettinen, M.M. Mäkelä, "Limited Memory Bundle Method for Large-Scale Nonsmooth Optimization: Convergence Analysis", Reports of the Department of Mathematical Information Technology, Series B, Scientific computing, No. B 12/2003, University of Jyväskylä, Jyväskylä, 2003.
- M. Haarala, K. Miettinen, M.M. Mäkelä, "Large-Scale Nonsmooth Optimization: New Variable Metric Bundle Algorithm with Limited Memory", Reports of the Department of Mathematical Information Technology, Series B, Scientific computing, No. B 6/2003, University of Jyväskylä, Jyväskylä, 2003.

## See Also

- Monographs and Chapters in Books
- Refereed Journal and Proceedings Articles
- Educational Demonstrations
- Submitted and In Preparation

Note that prior to my marriage, I published under my maiden name of "Marjo Haarala". I have also taken my long term nick name "Napsu" to my first official name. Thus both "M. Haarala" and "N. Haarala" in the references are equal to "N. Karmitsa".