Variance-Covariance Matrix - Articles - Scientific Research Publishing

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 1,521 Downloads 3,726 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 110 Downloads 350 Views Citations
Mean-Variance Portfolio Choice with Uncertain Variance-Covariance Matrix (Articles)

Wei Guo, Yichao Wang, Danping Qiu

Journal of Financial Risk Management Vol.9 No.2，April 23, 2020

DOI: 10.4236/jfrm.2020.92004 1,028 Downloads 2,788 Views Citations
A Multivariate Student’s t-Distribution (Articles)

Daniel T. Cassidy

Open Journal of Statistics Vol.6 No.3，June 17, 2016

DOI: 10.4236/ojs.2016.63040 5,022 Downloads 9,463 Views Citations
A Test for Joint Market Efficiency from an Investor’s Perspective (Articles)

Lakshmi Viswanathan, S. Maheswaran, G. Balasubramanian

Theoretical Economics Letters Vol.9 No.5，June 20, 2019

DOI: 10.4236/tel.2019.95098 529 Downloads 1,205 Views Citations
This article belongs to the Special Issue on Economic Efficiency
Forecasting the Impact of Information Security Breaches on Stock Market Returns and VaR Backtest (Articles)

Ilaria Colivicchi, Riccardo Vignaroli

Journal of Mathematical Finance Vol.9 No.3，August 21, 2019

DOI: 10.4236/jmf.2019.93024 870 Downloads 2,518 Views Citations
Two Nonzero Component Lemma and Matrix Trigonometry (Articles)

Morteza Seddighin

Advances in Linear Algebra & Matrix Theory Vol.7 No.1，February 15, 2017

DOI: 10.4236/alamt.2017.71001 1,903 Downloads 2,850 Views Citations
Reply to Comment on “On Humbert Matrix Polynomials of Two Variables” (Articles)

Ghazi S. Khammash, Ayman Shehata

Advances in Pure Mathematics Vol.4 No.7，July 29, 2014

DOI: 10.4236/apm.2014.47043 3,145 Downloads 3,945 Views Citations
Matrices—One Review (Articles)

Balasubramani Prema Rangasamy

Advances in Linear Algebra & Matrix Theory Vol.9 No.3，September 4, 2019

DOI: 10.4236/alamt.2019.93004 1,688 Downloads 3,580 Views Citations
What the Volume of Matrices Says? (Articles)

Balasubramani Prema Rangasamy

Advances in Linear Algebra & Matrix Theory Vol.10 No.4，December 30, 2020

DOI: 10.4236/alamt.2020.104005 547 Downloads 1,686 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 9,690 Downloads 15,580 Views Citations
Explicit Inversion for Two Brownian-Type Matrices (Articles)

Florendia Valvi, Vassilis Geroyannis

Applied Mathematics Vol.3 No.9，September 27, 2012

DOI: 10.4236/am.2012.39157 3,669 Downloads 5,488 Views Citations
Non-Singularity Conditions for Two Z-Matrix Types (Articles)

Shinji Miura

Advances in Linear Algebra & Matrix Theory Vol.4 No.2，June 16, 2014

DOI: 10.4236/alamt.2014.42009 5,778 Downloads 7,688 Views Citations
Exact Inversion of Pentadiagonal Matrix for Semi-Analytic Solution of 2D Poisson Equation (Articles)

Serigne Bira Gueye

Journal of Modern Physics Vol.13 No.12，December 27, 2022

DOI: 10.4236/jmp.2022.1312094 125 Downloads 557 Views Citations
Another Look at Node Renumbering (Articles)

Ibrahim F. Khatib

Open Access Library Journal Vol.12 No.3，March 25, 2025

DOI: 10.4236/oalib.1113079 23 Downloads 224 Views Citations
A New Algorithm for Computing the Determinant and the Inverse of a Pentadiagonal Toeplitz Matrix (Articles)

Yuehui Chen

Engineering Vol.5 No.5A，May 24, 2013

DOI: 10.4236/eng.2013.55A004 5,369 Downloads 7,719 Views Citations
This article belongs to the Special Issue on Mathematical Problems in Engineering
Matrix Functions of Exponential Order (Articles)

Mithat Idemen

Applied Mathematics Vol.4 No.9，August 30, 2013

DOI: 10.4236/am.2013.49170 4,548 Downloads 7,534 Views Citations
Matrices That Commute with Their Conjugate and Transpose (Articles)

Geoffrey Goodson

Advances in Linear Algebra & Matrix Theory Vol.3 No.3，September 17, 2013

DOI: 10.4236/alamt.2013.33005 6,545 Downloads 13,582 Views Citations
Algorithms for Solving Linear Systems of Equations of Tridiagonal Type via Transformations (Articles)

Moawwad El-Mikkawy, Faiz Atlan

Applied Mathematics Vol.5 No.3，February 11, 2014

DOI: 10.4236/am.2014.53042 8,422 Downloads 13,226 Views Citations
First Review of Articles on Rhotrix Theory Since Its Inception (Articles)

A. Mohammed, M. Balarabe

Advances in Linear Algebra & Matrix Theory Vol.4 No.4，December 31, 2014

DOI: 10.4236/alamt.2014.44020 5,810 Downloads 8,642 Views Citations

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