Conjugate diameters of hyperbolas are also useful for stating the principle of relativity in the modern physics of spacetime.
2.
This distance was to become known as " Baudelocque's diameter " ( the external conjugate diameter of the pelvis ).
3.
As perpendicularity is the relation of conjugate diameters of a circle, so hyperbolic orthogonality is the relation of conjugate diameters of rectangular hyperbolas.
4.
As perpendicularity is the relation of conjugate diameters of a circle, so hyperbolic orthogonality is the relation of conjugate diameters of rectangular hyperbolas.
5.
A point on each conjugate diameter is selected : U'on d _ 1'and V'on d _ 2 '.
6.
When abstracted to a line drawing, then any figure showing conjugate hyperbolas, with a selection of conjugate diameters, falls into this category.
7.
The placement of tie rods reinforcing a square assembly of girders is guided by the relation of conjugate diameters in a book on analytic geometry.
8.
The principle of relativity can be formulated " Any pair of conjugate diameters of conjugate hyperbolas can be taken for the axes of space and time ".
9.
For example, conjugate diameters have the property that a tangent line to the ellipse at the endpoint of one of them is parallel to the other one.
10.
The conjugate diameters d _ 1'and d _ 2'( thick blue lines ) are given, which meet at the center M of the ellipse.
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