Results 31 to 40 of about 6,626,969 (302)

Trigonometric Splines with Variable Shape Parameter

open access: yesRocky Mountain Journal of Mathematics, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Choubey, N., Ojha, A.
openaire   +3 more sources

On the Three-Parameter Weibull Distribution Shape Parameter Estimation [PDF]

open access: yesJournal of Data Science, 2021
The Weibull distribution has received much interest in reliability theory. The well-known maximum likelihood estimators (MLE) of this fam- ily are not available in closed form expression. In this work, we propose a consistent and closed form estimator for shape parameter of three-parameter Weibull distribution.
Mahdi Teimouri, Arjun K. Gupta
openaire   +1 more source

A Novel Approach of Hybrid Trigonometric Bézier Curve to the Modeling of Symmetric Revolutionary Curves and Symmetric Rotation Surfaces

open access: yesIEEE Access, 2019
The modeling of Bézier curves and surfaces with their shape parameters is the most popular area of research in computer aided geometric design/computer aided manufacturing (CAGD/CAM) due to their geometric characteristics.
Samia BiBi   +3 more
doaj   +1 more source

The Breakage of Shape-Anisotropic Particles under Normal Contact with Different Particle Shape Parameters

open access: yesApplied Sciences, 2021
This paper elaborates the cone–hemispherical gypsum particle breakages under normal contact with different particle shape parameters (contact diameter d, cone angle θ and sphere diameter D) and proposes a simple quantitative approach to discriminate ...
Yanwei Zhang   +5 more
doaj   +1 more source

THE CORRELATION ANALYSIS OF THE SHAPE PARAMETERS FOR ENDOTHELIAL IMAGE CHARACTERISATION

open access: yesImage Analysis and Stereology, 2016
Microscopic images of corneal endothelium cells are investigated to deliver information about their medical state. Although this could be achieved automatically, this examination is manual and very time consuming.
Karolina Nurzynska, Adam Piorkowski
doaj   +1 more source

Relationships between glide efficiency and swimmers' size and shape characteristics. [PDF]

open access: yes, 2012
Glide efficiency, the ability of a body to minimize deceleration over the glide, can change with variations in the body's size and shape. The purpose of this study was to investigate the relationships between glide efficiency and the size and shape ...
NAEMI, Roozbeh   +8 more
core   +1 more source

Shape manipulation using physically based wire deformations [PDF]

open access: yes, 2010
This paper develops an efficient, physically based shape manipulation technique. It defines a 3D model with profile curves, and uses spine curves generated from the profile curves to control the motion and global shape of 3D models.
L. H. You   +9 more
core   +1 more source

Rational quadratic trigonometric Bézier curve based on new basis with exponential functions

open access: yes上海师范大学学报. 自然科学版, 2017
We construct a rational quadratic trigonometric Bézier curve with four shape parameters by introducing two exponential functions into the trigonometric basis functions in this paper.
Wu Beibei   +3 more
doaj   +1 more source

Designing Developable C-Bézier Surface with Shape Parameters

open access: yesMathematics, 2020
Developable surface plays an important role in geometric design, architectural design, and manufacturing of material. Bézier curve and surface are the main tools in the modeling of curve and surface.
Caiyun Li, Chungang Zhu
doaj   +1 more source

Nandrolone effects on men’s semen parameters in Erbil city [PDF]

open access: yesZanco Journal of Medical Sciences, 2017
Background and objective: Anabolic androgenic steroids are synthetic compounds based on the structure of testosterone, and are used to treat various conditions such as reproductive system dysfunction.
Abdalmuhaimn Y. Sharef   +2 more
doaj   +1 more source

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