HENRICI CUBIC
| surface suivante | surface précédente | courbes 2D | courbes 3D | surfaces | fractals | polyèdres |
HENRICI CUBIC
| Surface studied by Henrici in 1869.
Olaus Henrici (1840 - 1919) : german mathematician. See this link, pages 2788 to 2790. |
Cartesian equation :  .
Cubic surface. The three lines are 
and permuted. |
The Henrici cubic has
the peculiarity of having its 27 real lines, but we only see 3, because
each is 9-uple.
| surface suivante | surface précédente | courbes 2D | courbes 3D | surfaces | fractals | polyèdres |
© Robert FERRÉOL
2018