Spectral band decomposition combined with nonlinear models: application to indoor formaldehyde concentration forecasting R Ouaret, A Ionescu, V Petrehus, Y Candau, O Ramalho Stochastic environmental research and risk assessment 32, 985-997, 2018 | 11 | 2018 |
Iniţiere în R: pentru persoane cu pregătire matematică M Miroiu, V Petrehuş, G Zbăganu StudIS, 2013 | 10 | 2013 |
Metode numerice pentru ecuaţii diferenţiale I Dragotă, V Petrehuş Orizonturi Universitare, 2002 | 4 | 2002 |
Variational integrators for higher order lagrangians V Petrehuş Bulletin mathematique de la Societe des sciences mathematiques de Roumanie …, 2007 | 3 | 2007 |
Using Radon transform in image reconstruction C Gavrila, V Petrehus, I Gruia Math. Model. Civ. Eng, 2010 | 2 | 2010 |
Probabilitati si statistica V PETREHUS, SA POPESCU Universitatea Technica de Constructi, Bucuresti, 43, 2005 | 2 | 2005 |
Particulate matter variability sources in an open-plan office: comparison of two monitoring campaigns R Ouaret, A Ionescu, V Petrehus, Y Candau, O Ramalho 22nd European Aerosol Conference, 2016 | 1 | 2016 |
Analysis of the temporal variability of indoor particulate matter concentrations using Blind Source Separation methods: a comparative study R Ouaret, A Ionescu, O Ramalho, Y Candau, E Gehin, V Petrehus International Aerosol Conference, 1, 2014 | 1 | 2014 |
Image reconstruction in optical tomography using Radon transform and its inverse V Petrehus, C Gavrila, I Gruia Ninth International Conference on Correlation Optics 7388, 366-371, 2009 | 1 | 2009 |
Annual energetic behavior of buildings and the typical meteorological year I COLDA, F ARDELEAN, V PETREHUS, L NICULITA Malta Conference, 2008 | 1 | 2008 |
Modelling the time fluctuation of indoor air formaldehyde concentrations: variability structure identification and forecasting using non linear models R Ouaret, A Ionescu, O Ramalho, Y Candau, V Petrehus, L Labat Indoor Air 2014, 321-328, 2014 | | 2014 |
Forecasting indoor pollutants concentrations using Fast Fourier Transform (FFT) and Regime Switching Models R Ouaret, A Ionescu, O Ramalho, V Petrehus, Y Candau International work-conference on Time-Series analysis 1, 52-63, 2014 | | 2014 |
Identification des sources de variabilité des niveaux de polluants par analyse en composantes indépendantes et par estimation de mélange des données de l'air intérieur R Ouaret, A Ionescu, O Ramalho, V Petrehus, Y Candau Journées Interdisciplinaires de la Qualité de l'Air, 18 pages, 2014 | | 2014 |
Caractérisation et identification de la variabilité temporelle des sources de particules dans un environnement intérieur: approche statistique R Ouaret, A Ionescu, O Ramalho, V Petrehus, Y Candau 29ème Congrès Français sur les Aérosols 1, 6 pages, 2014 | | 2014 |
Journées Interdisciplinaires Qualité Air 2014 R OUARET, A IONESCU, O RAMALHO, V PETREHUS, Y CANDAU | | 2013 |
SYMBOLIC SYSTEM SOLVING OF LINEAR ORDINARY DIFFERENTIAL EQUATIONS WITH CONSTANT COEFFICIENTS USING MATHCAD. V Petrehuş, G Picolo Mathematical Modeling in Civil Engineering, 2012 | | 2012 |
SERII TEMPORALE ALE POLUĂRII AERULUI ÎN CENTRUL BUCUREȘTIULUI V Petrehuş, I Armeanu 11-th Workshop of Department of Mathematics and Computer Science, Technical …, 2011 | | 2011 |
REZOLVAREA FORMALĂ A SISTEMELOR DE ECUATII DIFERENTIALE CU COEFICIENTI CONSTANTI IN MATHCAD V Petrehuş, P Gheorghe 11-th Workshop of Department of Mathematics and Computer Science, Technical …, 2011 | | 2011 |
ITERATED INTEGRATED TAIL WITH PERIODIC HAZARD RATE M Buiculescu, V Petrehus, GA ZBAGANU MATHEMATICAL REPORTS 13 (2), 127-139, 2011 | | 2011 |
REFINED CONTROL OF THE LIMIT CONDITIONS IN THE FINITE DIFFERENCES METHOD FOR DOMAINS WITH SMOOTH BOUNDARY. G Paltineanu, V Petrehus Mathematical Modeling in Civil Engineering, 2010 | | 2010 |