Singular Covariance Matrix - Articles - Scientific Research Publishing

Generalised Wald Type Test of Nonlinear Restrictions (Articles)

Zaka Ratsimalahelo

Open Access Library Journal Vol.4 No.9, September 27, 2017

DOI: 10.4236/oalib.1103923 844 Downloads 2,847 Views Citations
Portfolio Optimization of Some Stocks on the Ghana Stock Exchange Using the Markowitz Mean-Variance Approach (Articles)

Anuwoje Ida Logubayom, Togborlo Annani Victor

Journal of Financial Risk Management Vol.8 No.1, March 22, 2019

DOI: 10.4236/jfrm.2019.81003 1,739 Downloads 4,503 Views Citations
Non-Singular Trees, Unicyclic Graphs and Bicyclic Graphs (Articles)

Haicheng Ma, Danyang Li, Chengling Xie

Applied Mathematics Vol.11 No.1, December 31, 2019

DOI: 10.4236/am.2020.111001 904 Downloads 2,959 Views Citations
A Generalization of the Cayley-Hamilton Theorem (Articles)

Raj Kumar Kanwar

Advances in Pure Mathematics Vol.3 No.1, January 29, 2013

DOI: 10.4236/apm.2013.31014 9,973 Downloads 16,460 Views Citations
Application and Generalization of Eigenvalues Perturbation Bounds for Hermitian Block Tridiagonal Matrices (Articles)

Jicheng Li, Jing Wu, Xu Kong

Journal of Applied Mathematics and Physics Vol.2 No.3, February 25, 2014

DOI: 10.4236/jamp.2014.23007 3,615 Downloads 5,885 Views Citations
On the Covariance of Regression Coefficients (Articles)

Pantelis G. Bagos, Maria Adam

Open Journal of Statistics Vol.5 No.7, December 17, 2015

DOI: 10.4236/ojs.2015.57069 6,950 Downloads 11,236 Views Citations
Testing the Equality Hypothesis on a Cross-Covariance Matrix (Articles)

Xiaomei Chen, Shibin Zhang

Open Access Library Journal Vol.6 No.8, August 12, 2019

DOI: 10.4236/oalib.1105584 525 Downloads 1,861 Views Citations
Covariance Matrix Learning Differential Evolution Algorithm Based on Correlation (Articles)

Sainan Yuan, Quanxi Feng

International Journal of Intelligence Science Vol.11 No.1, December 15, 2020

DOI: 10.4236/ijis.2021.111002 571 Downloads 1,587 Views Citations
Dimension Reduction for Detecting a Difference in Two High-Dimensional Mean Vectors (Articles)

Whitney V. Worley, Dean M. Young, Phil D. Young

Open Journal of Statistics Vol.11 No.1, February 26, 2021

DOI: 10.4236/ojs.2021.111013 613 Downloads 1,738 Views Citations
Portfolio Research Based on Mean-Realized Variance-CVaR and Random Matrix Theory under High-Frequency Data (Articles)

Yajie Yang, Yipin Zhu, Xia Zhao

Journal of Financial Risk Management Vol.9 No.4, December 11, 2020

DOI: 10.4236/jfrm.2020.94026 916 Downloads 2,383 Views Citations
Efficient Generalized Inverse for Solving Simultaneous Linear Equations (Articles)

S. Kadiam Bose, D. T. Nguyen

Journal of Applied Mathematics and Physics Vol.4 No.1, January 11, 2016

DOI: 10.4236/jamp.2016.41003 3,934 Downloads 5,351 Views Citations
Continuous-Time and Discrete-Time Singular Value Decomposition of an Impulse Response Function (Articles)

Rogelio Luck, Yucheng Liu

Applied Mathematics Vol.12 No.4, April 28, 2021

DOI: 10.4236/am.2021.124024 644 Downloads 2,273 Views Citations
A Geometric View on Inner Transformation between the Variables of a Linear Regression Model (Articles)

Zhaoyang Li, Bostjan Antoncic

Applied Mathematics Vol.12 No.10, October 29, 2021

DOI: 10.4236/am.2021.1210061 387 Downloads 1,501 Views Citations
Using position specific scoring matrix and auto covariance to predict protein subnuclear localization (Articles)

Rong-Quan Xiao, Yan-Zhi Guo, Yu-Hong Zeng, Hai-Feng Tan, Hai-Feng Tan, Xue-Mei Pu, Meng-Long Li

Journal of Biomedical Science and Engineering Vol.2 No.1, February 13, 2009

DOI: 10.4236/jbise.2009.21009 6,152 Downloads 11,552 Views Citations
High Dimensionality Effects on the Efficient Frontier: A Tri-Nation Study (Articles)

Rituparna Sen, Pulkit Gupta, Debanjana Dey

Journal of Data Analysis and Information Processing Vol.4 No.1, February 15, 2016

DOI: 10.4236/jdaip.2016.41002 4,085 Downloads 6,006 Views Citations
Heteroskedasticity-Consistent Covariance Matrix Estimators in Small Samples with High Leverage Points (Articles)

Esra Şimşek, Mehmet Orhan

Theoretical Economics Letters Vol.6 No.4, July 28, 2016

DOI: 10.4236/tel.2016.64071 2,753 Downloads 5,198 Views Citations
This article belongs to the Special Issue on Advances in Econometrics
Determining Optimal Portfolio in a Three-Asset Portfolio Mix in Nigeria (Articles)

Amenawo I. Offiong, Hodo B. Riman, Eyoanwan E. Eyo

Journal of Mathematical Finance Vol.6 No.4, October 11, 2016

DOI: 10.4236/jmf.2016.64041 11,084 Downloads 25,176 Views Citations
This article belongs to the Special Issue on Portfolio Theory and Risk Management
The Coordinate-Free Prediction in Finite Populations with Correlated Observations (Articles)

Silvia N. Elian

Open Journal of Statistics Vol.7 No.2, April 20, 2017

DOI: 10.4236/ojs.2017.72014 1,416 Downloads 2,293 Views Citations
Constructing Confidence Regions for Autoregressive-Model Parameters (Articles)

Jan Vrbik

Applied Mathematics Vol.14 No.10, October 31, 2023

DOI: 10.4236/am.2023.1410042 228 Downloads 720 Views Citations
Optimal Estimation of High-Dimensional Covariance Matrices with Missing and Noisy Data (Articles)

Meiyin Wang, Wanzhou Ye

Advances in Pure Mathematics Vol.14 No.4, April 15, 2024

DOI: 10.4236/apm.2024.144013 243 Downloads 941 Views Citations

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