نتائج البحث - "Afshari, Mahmoud"

1

Academic Journal

Two new Bayesian-wavelet thresholds estimations of elliptical distribution parameters under non-linear exponential balanced loss.

المؤلفون: Batvandi, Ziba¹ (AUTHOR), Afshari, Mahmoud¹ (AUTHOR) afshar@pgu.ac.ir, Karamikabir, Hamid¹ (AUTHOR)

المصدر: Communications in Statistics: Simulation & Computation. 2025, Vol. 54 Issue 1, p23-43. 21p.

مصطلحات موضوعية: *BAYES' estimation, TERTIARY structure, EXPONENTIAL functions, TEST validity

2

Academic Journal

Investigating the effect of laser surface melting process parameters on thermal efficiency by reverse analysis and experimental design.

المؤلفون: Afshari, Mahmoud¹ (AUTHOR), Khandaei, Mehrdad¹ (AUTHOR) M_khandaei@mut.ac.ir, Razavi, Reza Shoja¹ (AUTHOR), Barekat, Seyed Masoud¹ (AUTHOR)

المصدر: Journal of Nonlinear Optical Physics & Materials. Feb2025, Vol. 34 Issue 1, p1-28. 28p.

مصطلحات موضوعية: *THERMAL efficiency, *RESPONSE surfaces (Statistics), *SHIELDING gases, *GAS flow, *RELATIVE motion

3

Academic Journal

Bayesian shrinkage wavelet estimation of mean matrix of the matrix variate normal distribution with application in de-noising.

المؤلفون: Batvandi, Ziba, Afshari, Mahmoud, Karamikabir, Hamid

المصدر: Computational & Applied Mathematics; Feb2025, Vol. 44 Issue 1, p1-26, 26p

مصطلحات موضوعية: COVARIANCE matrices, RANDOM matrices, ESTIMATION theory, GAUSSIAN distribution, BAYES' estimation

4

Academic Journal

NEW WAVELET SURE THRESHOLDS OF ELLIPTICAL DISTRIBUTIONS UNDER THE BALANCE LOSS

المؤلفون: Karamikabir, Hamid, Afshari, Mahmoud

المصدر: Statistica Sinica, 2021 Jan 01. 31(4), 1829-1852.

URL الوصول: https://www.jstor.org/stable/27089318

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5

Academic Journal

Bayesian estimation for mean vector of multivariate normal distribution on the linear and nonlinear exponential balanced loss based on wavelet decomposition.

المؤلفون: Batvandi, Ziba¹ (AUTHOR) zibatvandi@mehr.pgu.ac.ir, afshari, Mahmoud¹ (AUTHOR) afshar@pgu.ac.ir, Karamikabir, Hamid¹ (AUTHOR) h_karamikabir@pgu.ac.ir

المصدر: International Journal of Wavelets, Multiresolution & Information Processing. Nov2024, Vol. 22 Issue 6, p1-21. 21p.

مصطلحات موضوعية: *GAUSSIAN distribution, *ELECTRIC power distribution grids, *COVARIANCE matrices

6

Academic Journal

Optimization of FFF process parameters to improve the tensile strength and impact energy of polylactic acid/carbon nanotube composite.

المؤلفون: Hardani, Hatam, Afshari, Mahmoud, Allahyari, Fatemeh, Samadi, Mohammad Reza, Afshari, Hossein, Medina, Edison Marcelo Melendres

المصدر: Polymer Engineering & Science; Oct2024, Vol. 64 Issue 10, p5047-5060, 14p

مصطلحات موضوعية: TENSILE strength, POLYLACTIC acid, THERMAL properties, DIFFERENTIAL scanning calorimetry, CARBON nanotubes

7

Academic Journal

Investigation of the effect of sintering process parameters on the corrosion, wear and hardness of W–Cu composite.

المؤلفون: Selahshorrad, Ehsan, Alavi, Seyyed Amirhossein, Zangeneh-Madar, Karim, Samadi, Mohammad Reza, Yazdanshenas, Morteza, Afshari, Mahmoud

المصدر: Sādhanā: Academy Proceedings in Engineering Sciences; Sep2024, Vol. 49 Issue 3, p1-18, 18p

مصطلحات موضوعية: STRAIN hardening, CORROSION potential, SINTERING, SPECIFIC gravity, MECHANICAL wear, POWDERS, HARDNESS, CURRENT density (Electromagnetism)

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8

Academic Journal

Optimizing the Mechanical Properties of the Weld in the Friction Stir Welding of Aluminum and Magnesium (A365–AZ91C).

المؤلفون: Yasavol, Noushin, Bakhshi, Soroush, Afshari, Mahmoud, Asvadi, Omid, Reza Samadi, Mohammad, Afshari, Hossein

المصدر: Journal of Advanced Manufacturing Systems; Sep2024, Vol. 23 Issue 3, p637-658, 22p

مصطلحات موضوعية: FRICTION stir welding, LINEAR velocity, MAGNESIUM, ALUMINUM-magnesium alloys, ALUMINUM, TENSILE strength

9

Academic Journal

Odd Log-Logistic XGamma Model: Bayesian and Classical Estimation with Risk Analysis Utilizing Reinsurance Revenues Data.

المؤلفون: Ranjbar, Vahid, Alizadeh, Morad, Afshari, Mahmoud, Yousof, Haitham M.

المصدر: Journal of Statistical Theory & Applications; Sep2024, Vol. 23 Issue 3, p329-362, 34p

مصطلحات موضوعية: MONTE Carlo method, LEAST squares, RISK exposure, CONTINUOUS distributions, RISK assessment

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10

Academic Journal

A New Odd Log-Logistic Lindley Distribution with Properties and Applications

المؤلفون: Alizadeh, Morad, Afshari, Mahmoud, Ozel, Gamze, Eftekharian, Abbas

المصدر: Sankhyā: The Indian Journal of Statistics, Series A (2008-), 2019 Dec 01. 81(2), 323-346.

URL الوصول: https://www.jstor.org/stable/48703706

11

Academic Journal

Wavelet Shrinkage Generalized Bayes Estimation for Multivariate Normal Distribution Mean Vectors with unknown Covariance Matrix under Balanced-LINEX Loss ; Contracción de la ondícula Estimación de Bayes generalizada para vectores medios de distribución normal multivariante con matriz de covarianza desconocida con pérdida de LINEX equilibrada

المؤلفون: Afshari, Mahmoud, Karamikabira, Hamid

المصدر: Revista Colombiana de Estadística; Vol. 45 Núm. 1 (2022): Revista Colombiana de Estadística; 107-123 ; Revista Colombiana de Estadística; Vol. 45 No. 1 (2022): Revista Colombiana de Estadística; 107-123 ; 2389-8976 ; 0120-1751

مصطلحات موضوعية: Admissibility, Generalized Bayes estimator, Balanced-LINEX loss, Minimaxity, Multivariate normal distribution, Soft wavelet shrinkage estimator, Admisibilidad, Estimador de Bayes generalizado, Estimador de contracción de ondas suaves, Distribución normal multivariante, Minimaxidad, Pérdida de LINEX equilibrada

وصف الملف: application/pdf

Relation: https://revistas.unal.edu.co/index.php/estad/article/view/92037/82472; Cao, M. X. & He, D. (2017), ‘Admissibility of linear estimators of the common mean parameter in general linear models under a balanced loss function’, Journal of Multivariate Analysis 153, 246–254.; Donoho, D. L. & Johnstone, I. M. (1994), ‘Ideal spatial adaptation by wavelet shrinkage’, Biometrika 81, 425–455.; Fourdrinier, D. & Strawderman, W. E. (2015), ‘Robust minimax stein estimation under invariant data-based loss for spherically and elliptically symmetric distributions’, Metrika 78(4), 461–484.; Guo, C., Ma, Y., Yang, B., S., J. C. & Kaul, M. (2012), ‘EcoMark: Evaluating models of vehicular environmental impact’, SIGSPATIAL/GIS pp. 269–278.; Huang, S. Y. (2002), ‘On a Bayesian aspect for soft wavelet shrinkage estimation under an asymmetric linex loss’, Statistics and Probability Letters 56, 171–175.; Jiang, W. & Zhang, C. H. (2009), ‘General maximum likelihood empirical Bayes estimation of normal means’, The Annals of Statistics 37(4), 1647–1684.; Joly, E. Lugosi, G. & Oliveira, R. I. (2017), ‘On the estimation of the mean of a random vector’, Electronic Journal of Statistics 11, 440–451.; Jozani, J. M., Leblanc, A. & Marchand, E. (2014), ‘On continuous distribution functions, minimax and best invariant estimators, and integrated balanced loss functions’, Canadian Journal of Statistics 42, 470–486.; Jozani, M. J., Marchand, É. & Parsian, A. (2006), ‘On estimation with weighted balanced-type loss function’, Statistics and Probability Letters 76, 733–780.; Jozani, M. J., Marchand, É. & Parsian, A. (2012), ‘Bayesian and Robust Bayesian analysis under a general class of balanced loss functions’, Statistical Papers 53, 51–60.; Karamikabir, H. & Afshari, M. (2019), ‘Wavelet Shrinkage Generalized Bayes Estimation for Elliptical Distribution Parameters under LINEX Loss’, International Journal of Wavelets, Multiresolution and Information Processing 14(1), 1950009.; Karamikabir, H. & Afshari, M. (2020), ‘Generalized Bayesian Shrinkage and Wavelet Estimation of Location Parameter for Spherical Distribution under Balance-type Loss: Minimaxity and Admissibility,’, Journal of Multivariate Analysis 177(1), 104583.; Karamikabir, H. & Afshari, M. (2021), ‘New wavelet SURE thresholds of elliptical distributions under the balance loss’, Statistica Sinica 31(4), 1829–1852.; Karamikabir, H. Afshari, M. & Arashi, M. (2018), ‘Shrinkage estimation of nonnegative mean vector with unknown covariance under balance loss’, Journal of Inequalities and Applications 2018, 331.; Karamikabir, H., Afshari, M. & Lak, F. (2020), ‘Wavelet threshold based on Stein’s unbiased risk estimators of restricted location parameter in multivariate normal’, Journal of Applied Statistics 48(10), 1712–1729.; Marchand, E. & Strawderman, W. E. (2020), ‘On shrinkage estimation for balanced loss functions’, Journal of Multivariate Analysis 175, 104558.; Pal, N., Sinha, B. K., Chaudhuri, G. & Chang, C. H. (2007), ‘Estimation Of A Multivariate Normal Mean Vector And Local Improvements’, Statistics 26(1), 1– 7.; Rencher, A. C. & Christensen, W. F. (2012), Methods of Multivariate Analysis, third edition edn, John Wiley & Sons.; Rudin, W. (1976), Principle of Mathematical Analysis, MacGraw-Hill.; Pal, N., Sinha, B. K., Chaudhuri, G. & Chang, C. H. (2007), ‘Estimation of A Multivariate Normal Mean Vector And Local Improvements’, Statistics 26(1), 1–17.; https://revistas.unal.edu.co/index.php/estad/article/view/92037

الاتاحة: https://revistas.unal.edu.co/index.php/estad/article/view/92037

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12

Academic Journal

A New Weighted-Lindley Distribution: Properties, Classical and Bayesian Estimation with an Application

المؤلفون: Hosseini, Bistoon, Afshari, Mahmoud afshari, Alizadeh, Morad, Afify, Ahmed

المصدر: Pakistan Journal of Statistics and Operation Research; Vol. 18 No. 4, 2022; 1049-1066 ; 2220-5810 ; 1816-2711 ; 10.18187/pjsor.v18i4

مصطلحات موضوعية: Anderson-Darling estimator, Weighted distributions, Lindley distribution, Maximum likelihood, Bayesian estimation, Moments

وصف الملف: application/pdf

Relation: https://pjsor.com/pjsor/article/view/4106/1241; https://pjsor.com/pjsor/article/view/4106

الاتاحة: https://pjsor.com/pjsor/article/view/4106
https://doi.org/10.18187/pjsor.v18i4.4106

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13

Academic Journal

Design and optimization of mechanical and electromagnetic properties of GFRP composite.

المؤلفون: Talei-Fard, Ehsan, Parsa, Hossein, Afshari, Mahmoud, Allahyari, Fatemeh, Samadi, Mohammad Reza, Afshari, Hossein

المصدر: Journal of Materials Science: Materials in Electronics; Aug2024, Vol. 35 Issue 22, p1-16, 16p

14

Academic Journal

Optimizing the sintering process parameters for simultaneous improvement of the compression strength, impact strength, hardness and corrosion resistance of W–Cu nanocomposite.

المؤلفون: Samadi, Mohammad Reza, Zeynali, Ebrahim, Allahyari, Fatemeh, Salahshorrad, Ehsan, Zangeneh-Madar, Karim, Afshari, Mahmoud

المصدر: Modern Physics Letters B; 7/20/2024, Vol. 38 Issue 20, p1-26, 26p

مصطلحات موضوعية: IMPACT strength, CORROSION resistance, ENERGY dispersive X-ray spectroscopy, HARDNESS, SINTERING, TUNGSTEN alloys

15

Academic Journal

Sintering parameter optimization by inverse analysis in direct metal deposition of Inconel 718.

المؤلفون: Afshari, Mahmoud¹ (AUTHOR) m.afshari@aut.ac.ir, Khandaei, Mehrdad¹ (AUTHOR) M_khandaei@mut.ac.ir, Shoja Razavi, Reza¹ (AUTHOR) shoja_r@mut-es.ac.ir, Barekat, Seyed Masoud¹ (AUTHOR) S.meh.2742@gmail.com