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2 Demonstratio Mathematica

2 2022

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Iterates of q-Bernstein operators on triangular domain with all curved sides

Iliyas Mohammad, Khan Asif, Arif Mohd, Mursaleen Mohammad, Lone Mudassir Rashid

Demonstratio Mathematica

2022

Vol. 55, nr 1

891-899

In this article, Phillips-type Bernstein operators (Btm,qF)(t,s) and (Bsn,qF)(t,s) , their products, and Boolean sum based on q-integer have been studied on a triangle with all curved sides. Furthermore, convergence of iterates of these operators have been analyzed using the weakly Picard operators technique and the contraction principle.

Approximation of conic sections by weighted Lupaş post-quantum Bézier curves

Khan Asif, Iliyas Mohammad, Khan Khalid, Mursaleen Mohammad

Demonstratio Mathematica

2022

Vol. 55, nr 1

328--342

This paper deals with weighted Lupaş post-quantum Bernstein blending functions and Bézier curves constructed with the help of bases via (p,q) -integers. These blending functions form normalized totally positive bases. Due to the rational nature of weighted Lupaş post-quantum Bézier curves and positive weights, they help in investigating from geometric point of view. Their degree elevation properties and de Casteljau algorithm have been studied. It has been shown that quadratic weighted Lupaş post-quantum Bézier curves can represent conic sections in two-dimensional plane. Graphical analysis has been presented to discuss geometric interpretation of weight and conic section representation by weighted Lupaş post-quantum Bézier curves. This new generalized weighted Lupaş post-quantum Bézier curve provides better approximation and flexibility to a particular control point as well as control polygon due to extra parameter p and q in comparison to classical rational Bézier curves, Lupaş q -Bézier curves and weighted Lupaş q -Bézier curves.