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Scientific visualization is concerned with the presentation of interactive or animated digital images to users to understand data. The advantages of scientific visualization are: huge amount of data is converted into one picture, it correlates different quantities. One of the problems faced by scientific visualization community is visualization of positive… (More)

- Malik Zawwar Hussain, Maria Hussain
- Applied Mathematics and Computation
- 2007

Abstract. In this paper, first free parameters are constrained in the description of rational cubic function [6] to preserve the shape of data that lies above the straight line. Then, rational cubic function is extended to rational bicubic partially blended function (Coons patches). A local positivity preserving scheme is developed for positive data by… (More)

- Malik Zawwar Hussain, Muhammad Sarfraz, Ayesha Shakeel, Maria Hussain
- 2011

A smooth surface interpolation scheme for positive and convex data has been developed. This scheme has been extended from the rational quadratic spline function of Sarfraz [11] to a rational bi-quadratic spline function. Simple data dependent constraints are derived on the free parameters in the description of rational bi-quadratic spline function to… (More)

- Malik Zawwar Hussain, Maria Hussain, Muhammad Sarfraz
- Trans. Computational Science
- 2010

- Muhammad Sarfraz, Malik Zawwar Hussain, Maria Hussain
- Int. J. Comput. Math.
- 2012

This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will… (More)

- Farheen Ibraheem, Maria Hussain, Malik Zawwar Hussain, Akhlaq Ahmad Bhatti
- J. Applied Mathematics
- 2012

A C1 piecewise rational trigonometric cubic function with four shape parameters has been constructed to address the problem of visualizing positive data. Simple data-dependent constraints on shape parameters are derived to preserve positivity and assure smoothness. The method is then extended to positive surface data by rational trigonometric bicubic… (More)

- Muhammad Sarfraz, Malik Zawwar Hussain, Maria Hussain
- J. Num. Math.
- 2013

- Malik Zawwar Hussain, Maria Hussain
- Computers & Mathematics with Applications
- 2010

- M. Hussain, E. T. Baskoro
- 2007

Let G1, G2, ..., Gn be a family of disjoint stars. The tree obtained by joining a new vertex a to one pendant vertex of each star Gi is called a banana tree. In this paper we determine the super edge-magic total labelings of the banana trees that have not been covered by the previous results [15].