including translation into other languages reserved by the publisher. No part of this journal may be reproduced or used in any form or by any means without written permission from the publisher, except for noncommercial, educational use including classroom teaching purposes. Product or company names used in this journal are for identification purposes only. Inclusion of the names of the product...

Though the rapid development and spread of Information and Communication Technology (ICT) making people's life much more easier, on the other hand it causing some serious threats to the society. Phishing is one of the most common cyber threat, that most users falls in. This research investigate on QR code based phishing attacks which is a newly adopted intrusive method and how to enhance the aw...

This study assesses the application of QR code in tourism industry by focusing on Strengths, Weaknesses, Opportunities, and Threats (SWOT) analysis based sustainability aspects Dataran Merdeka KL trail. The SWOT was done on-site observation interviews. We found trail has a lot strengths, especially its location historical values that will remain history. However, lack promotional activities con...

This paper presents a novel landmark generating method for robust multi-robot localization and tracking. Although the conventional approaches are able to generate a number of landmarks, they often tend to misjudge or ignore some landmark in particular environment. Analyzing those methods, we suggest the new landmark that is referred to here as Rotating Triangles (RT) landmark. RT landmark imple...

Aggressive early deflation is a QR algorithm deflation strategy that takes advantage of matrix perturbations outside of the subdiagonal entries of the Hessenberg QR iterate. It identifies and deflates converged eigenvalues long before the classic small-subdiagonal strategy would. The new deflation strategy enhances the performance of conventional large-bulge multishift QR algorithms, but it is ...

This paper presents a small-bulge multishift variation of the multishift QR algorithm that avoids the phenomenon of shift blurring, which retards convergence and limits the number of simultaneous shifts. It replaces the large diagonal bulge in the multishift QR sweep with a chain of many small bulges. The small-bulge multishift QR sweep admits nearly any number of simultaneous shifts—even hundr...

23.1 Let A be a nonsingular square matrix and let A = QR and A∗A = U∗U be QR and cholesky factorizations, respectively, with the usual normalization rjj, ujj > 0. Is it true or false that R = U? Solution: It is true. Since A is nonsingular, it will have a unique QR factorization with rjj > 0. Then we have A∗A = R∗Q∗QR = R∗R because Q is a unitary matrix. On the other hand, it is easy to see tha...

In this paper we study the performance of two classical dense linear algebra algorithms, the LU and the QR factorizations, on multilevel hierarchical platforms. We note that we focus on multilevel QR factorization, and give a brief description of the multilevel LU factorization. We first introduce a performance model called Hierarchical Cluster Platform (Hcp), encapsulating the characteristics ...

This paper reports our progress on the empirical modeling of facial biomechanics during speech production. Our model is based on decomposing the facial surface into a nite set of linearly independent kinematic regions, which is used as a basis to represent the total facial motion. The main algorithm, based on the column-pivoted QR factorization, is reviewed and compared to other techniques comm...