Ioannis C. Demetriou
Orcid: 0000-0002-3770-789X
According to our database1,
Ioannis C. Demetriou
authored at least 13 papers
between 1995 and 2024.
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Bibliography
2024
Least squares monotonic unimodal approximations to successively updated data and an application to a Covid-19 outbreak.
Optim. Methods Softw., November, 2024
2022
A binary search algorithm for univariate data approximation and estimation of extrema by piecewise monotonic constraints.
J. Glob. Optim., 2022
Convex-Concave fitting to successively updated data and its application to covid-19 analysis.
J. Comb. Optim., 2022
2020
Separation theorems for the extrema of best piecewise monotonic approximations to successive data.
Optim. Methods Softw., 2020
2010
Comput. Stat. Data Anal., 2010
2007
Algorithm 863: L2WPMA, a Fortran 77 package for weighted least-squares piecewise monotonic data approximation.
ACM Trans. Math. Softw., 2007
Necessary and Sufficient Conditions for Best L1 Estimates of Ordinates of Convex Functions.
Proceedings of the World Congress on Engineering, 2007
The Karush-Kuhn-Tucker Test of Convexity of Univariate Observations and Certain Economic Applications.
Proceedings of the World Congress on Engineering, 2007
2006
Comput. Phys. Commun., 2006
2005
Comput. Stat. Data Anal., 2005
2004
2003
Adaptive Preconditioned Variational Methods for Solving Self-Adjoint Partial Differential Equations.
Int. J. Comput. Math., 2003
1995
Algorithm 742: L2CXFT: A Fortran Subroutine for Least Squares Data Fitting with Nonnegative Second Divided Differences.
ACM Trans. Math. Softw., 1995