Get this from a library! Deskriptivní geometrie pro samouky. [Josef Kounovský] — Příručka, jež vznikla z přednášek, konaných před válkou pro kandidáty učitelství. Deskriptivní geometrie (konstruktivní fotogrammetrie): [Určeno] pro posluchače fak. arch. a pozemního stav.. [Miroslav Menšík; České vysoké učení technické v. Found it Kolomajzlik found Deskriptivni geometrie. Monday, July 25, Jihomoravský kraj, Czechia.

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The concept of choosing an infinite hyperplane is used for making hypothesis in an affine space to solve projective problems and vice-versa. The result is the implicit equation of the locus.

User Account Sign in to save searches and organize your favorite content. Therefore, the question arises, what are the conditions which a figure should fulfil to visualise what an author aims at. But there are many others, too. Multidisciplinary Aspects of Production Engineering. Addition of possibility to save the directions of projection broadens way of using the imaging. Springer Spektrum, in preparation. If cones of this type are tangent to a regular quadric then their apices are located on a sphere.

This reveals that in general ellipsoids are still movable within a fixed circumscribed box. And the history of developing this idea is interesting either. Computer Aided Geometric Design 27, — The known algebraic description lacks geometric intuition or interpretation behind. Except for the most simple loci such as lines, circles or possibly conics, this topic is not contained in most geometry texts.

Marrying these two concepts together with the concept of a symmetric bilinear form, we can make significant progress with regards to the understanding of trigonometry in higher dimensions over a general metrical framework. There are examples showing that the multiplicity of the intersection can be easily composed out of the intersection multiplicity of the corresponding curve and there are others where it is not so direct.


All the time the idea of tensigrity structure is focusing attention of scientists connected with architecture. Such a phenomenon was experienced e.

The degrees of the equations admit a prediction of the number of possible solutions. We use the presented approach to interpolate a network of points and associated normals with piecewise polynomial surfaces with polynomial area element.

Very often, in technical practice, we meet the concept of oval. A new viewpoint can give us new ideas and concepts that lead to a simplified solution of the mathematical problem. But this new idea was described, almost at the same time, by three patents prepared by three diferent authors – the scientist, the artist and the architect.

Consequently the polynomial surfaces of a given degree with polynomial area element can be constructed from the prescribed normal fields solving a system of linear equations.

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De Gruyter – Sciendo. The satellite picture of the same object taken seskriptivn two different directions may be treated as two-image parallel projection. Our main goal is the interpolation of Gk data at the boundaries of ruled surfaces and canal surfaces. In the talk a few concrete examples, including drawbacks which can occur in some cases, are given. We also analyze the approximation degree of this kind of dual approximation. The level of occupational health and safety is one of the determinants of the company’s efficiency.

The gauss map at the inflection point is not regular and in the neighborhood is typically not injective. Tschirnhaus used this idea for constructing tangents deslriptivn curves defined by a finite set of focal points and constant weighted sum of distances from these focal points. Problem included in the above trainings were interpreted as a criterion function within a multi-criteria analysis based on geonetrie Analytic Hierarchy Process AHP method.


Numerical solution of the Kiessl model

Journal of Mathematical Psychology, 15, pp. The associated equilateral spherical conics have the property that the three vertices of a regular right-angled spherical geometri can simultaneously move along.

Hence, we deal with rational, elliptic or hyperelliptic curves that are birational to plane curves in the Weierstrass form and thus they are square-root parameterizable. This construction is based on a mechanical interpretation of the Apollonius definition an E. The use of dynamic geometry software Cabri, GeoGebra, Sketchpad, First, we model the famous hyperbolic football manifold, and restrict ourselves only for Cw 6, 6, 6 manifold as in [2].

The Universe of Quadrics. References [1] Gruber, P. The impact of the flow volume flow ventilation to the location of the special hazard spontaneous fire zone in goaf with caving of operating longwalls. Issue 1 First Online: Book 1, Science and technologies in geology. Nowadays new groups of scientists are looking for the best and precisly definition for tensigrity and they are trying to defined true or false tensigrity structures.

That means each point has a ball-like neighbourhood. Each point of space has two points assigned, that come from projections of the given point in the geometrke directions. Konstytucja Rzeczpospolitej Polskiej z dnia 2 kwietnia r.

The normal or orthogonal quadratic cones have circular sections being orthogonal to vertex generators.

The support function is thus not regular and typically multivalued. These cones can be generated by congruent pencils of planes with intersecting axes.