Results 1 to 10 of about 7,085 (246)

Construction of both Geometric Relationships of Ellipses and Parabola-bounded Regions in Geometric Placement Problems [PDF]

open access: yesJournal of Mechanical Engineering, 2020
Currently, there is a significant growth of interest in the practical problems of mathematically modeling the placement of geometric objects of various physical natures in given areas.
Mykola I. Hil, Volodymyr M. Patsuk
doaj   +1 more source

To the question of the method of calculating the volume of amphoras [PDF]

open access: yesArchaeoastronomy and Ancient Technologies, 2020
The article describes the methods for calculating the volume of amphoras used by modern archaeologists, and proposes a new fairly accurate method for calculating the volume of antique sharp-pointed amphoras using the example of narrow-necked light-clay ...
Vodolazhskaya, L.N.
doaj   +1 more source

John Wallis and the “Rectification” of the Parabola

open access: yesMathematics, 2022
The problem of the rectification of curves and the calculation (for which we shall adopt the more geometric term “flattening”) of the surface of a rotating solid generated by a curve, once the rotation axis has been fixed, were treated by John Wallis in ...
Emilia Florio
doaj   +1 more source

One-factorizations of the complete graph $K_{p+1}$ arising from parabolas

open access: yesTheory and Applications of Graphs, 2022
There are three types of affine regular polygons in AG(2, q): ellipse, hyperbola and parabola. The first two cases have been investigated in previous papers.
György Kiss   +2 more
doaj   +1 more source

Elements of the parabola in the three-dimensional space and applications in teaching through a project based on reflection of light

open access: yesModelling in Science Education and Learning, 2023
This work, structured in two main parts, is devoted to the parabola topic. In the first, the elements of a parabola are reviewed by linking the definition of intersection of a plane and a cone with a locus of the plane.
Ana María Zarco   +1 more
doaj   +1 more source

Systematic study of the parabola with the contribution of GeoGebra software as a teaching proposal

open access: yesAl-Jabar, 2022
This work aims to present different demonstrations of the parabola, as well as possibilities of its geometric construction, using geometric design techniques and the GeoGebra dynamic geometry software.
Renata Teófilo de Sousa   +2 more
doaj   +1 more source

MECHANICAL CALCULATION OF FLEXIBLE WIRES WHEN THE CONCENTRATED FORCES ARE REPLACED BY A DISTRIBUTED LOAD

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2018
The objective of mechanical calculation of flexible wires of substations and overhead lines is to determine the sag and tension in different climatic conditions.
Yu. V. Bladyko
doaj   +1 more source

Applications of Differential Geometry of Curves in Roads Design

open access: yesRomanian Journal of Transport Infrastructure, 2023
An important role in the roads design is played by plane curves, if the road lies on a plane surface and by space curves, if the road can not be embeded in a plane.
Burlacu Adrian, Mihai Adela
doaj   +1 more source

Parabola - parabola combined method [PDF]

open access: yesMiskolc Mathematical Notes, 2004
Summary: By using the always convergent method of tangential parabolas (but not using any interval-arithmetic tool), a combined root-finding iterative algorithm is given which provides a quadratically convergent descending sequence of compact real intervals \(J_{n}\) containing a simple zero of a twice differentiable real function defined on \(J_{0}\).
openaire   +3 more sources

Un percorso di peer education nella scuola superiore incentrato sulla parabola

open access: yesDidattica della Matematica, 2018
L’articolo presenta l’esperienza di un primo approccio alla peer education, sia per il docente sia per gli studenti, realizzato in una classe di III liceo.
Michele Canducci
doaj   +1 more source

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