H&auml;r &auml;r pekare till bilder f&ouml;rest&auml;llande <br>
koniker, andragradskurvor, andragradsytor, hyperbolisk geometri, mm.<br>
Fr&aring;n MaHiF&ouml;rel&auml;sning Nr 6 om Koniker alias K&auml;gelsnitt. <br><br>

<a href=https://de.wikipedia.org/wiki/M%C3%B6biustransformation#Elementartypen>
M&ouml;bius-avbildningen z -> 1/z</a> <br><br>

<a href=https://en.wikipedia.org/wiki/M%C3%B6bius_transformation#/media/File:Apollonian_circles.svg>
Apolloniska cirklar</a><br>

<a href=https://en.wikipedia.org/wiki/M%C3%B6bius_transformation#/media/File:Smith_chart_explanation.svg>
"Smith chart"</a><br>

<a href=https://de.wikipedia.org/wiki/Kutta-Schukowski-Transformation>
Zjukovskij-transformation ("Kutta-Schukoski", "Joukovsky")</a><br><br>

<a href=https://fr.wikipedia.org/wiki/Coordonn%C3%A9es_elliptiques>
Elliptiska koordinater i planet</a><br>

<a href=https://en.wikipedia.org/wiki/Parabolic_cylindrical_coordinates>
Paraboliska cylindriska koordinater</a><br>

<a href=https://en.wikipedia.org/wiki/Coordinate_system#/media/File:Parabolic_coordinates_3D.png>
Paraboliska koordinater i rummet</a><br><br>

Germinal Pierre Dandelin (12 avril 1794 au Bourget, France -
15 f&eacute;vrier 1847 &agrave; Bruxelles) <br>
&eacute;tait un math&eacute;maticien belge.
Il est surtout connu pour ses travaux en g&eacute;om&eacute;trie.<br>

<a href=https://fr.wikipedia.org/wiki/Th%C3%A9or%C3%A8me_de_Dandelin>
Dandelins sf&auml;rer f&ouml;r en ellips</a><br>

<a href=https://fr.wikipedia.org/wiki/Th%C3%A9or%C3%A8me_de_Dandelin#/media/Fichier:ConicSection_hyperbola.PNG>
Dandelins sf&auml;rer f&ouml;r en hyperbel</a><br>

<a href=https://fr.wikipedia.org/wiki/Th%C3%A9or%C3%A8me_de_Dandelin#/media/Fichier:ConicSection_parabola.PNG>
Bara EN Dandelinsk sf&auml;r f&ouml;r en parabel</a><br><br>

<a href=https://en.wikipedia.org/wiki/Hyperbolic_geometry#/media/File:Comparison_of_geometries.svg>
En j&auml;mf&ouml;relse mellan de tre olika huvudtyperna av geometri</a><br>

<a href=https://en.wikipedia.org/wiki/Hyperbolic_geometry#/media/File:Hyperbolic_triangle.svg>
hyperbolisk geometri</a><br>

<a href=https://en.wikipedia.org/wiki/Minkowski_space#/media/File:HyperboloidProjection.png>
hyperboloid och Poinare's modell</a><br>

<a href=https://en.wikipedia.org/wiki/Hyperbolic_geometry#/media/File:Poincare_disc_hyperbolic_parallel_lines.svg>M&ouml;jliga linjer genom en given punkt som EJ m&ouml;ter en given linje</a><br>

<a href=https://en.wikipedia.org/wiki/Hyperbolic_geometry#/media/File:Rhombitriheptagonal_tiling.svg>
Escher-bild</a><br><br>

<a href=https://en.wikipedia.org/wiki/Quadric#Euclidean_space>
Quadrics: Andragradsytor i rummet</a>! OBS! Rulla ner litet p&aring;
sidan som kommer upp.<br>

<a href=https://fr.wikipedia.org/wiki/Quadrique>
Quadriques (trevliga bilder)</a><br>

<a href=https://ru.wikipedia.org/wiki/%D0%9F%D0%BE%D0%B2%D0%B5%D1%80%D1%85%D0%BD%D0%BE%D1%81%D1%82%D1%8C_%D0%B2%D1%82%D0%BE%D1%80%D0%BE%D0%B3%D0%BE_%D0%BF%D0%BE%D1%80%D1%8F%D0%B4%D0%BA%D0%B0>
Liten film med andragradsytor</a><br>

<a href=https://en.wikipedia.org/wiki/Oblate_spheroidal_coordinates#/media/File:Oblate_spheroidal_coordinates_full_hyperboloid.png>
"Oblata sf&auml;roidala koordinater" i rummet</a><br><br>

<a href=https://en.wikipedia.org/wiki/Orthogonal_coordinates#Table_of_orthogonal_coordinates>
Orthogonala koordinatsystem i rummet, en lista</a><br>

<a href=https://en.wikipedia.org/wiki/Elliptic_curve>Elliptisk kurva</a>

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