projection.tools

projection.tools.stereographic_projection(coordinates)

Computes the stereographic projection of a point cloud in $R^N$ to a point cloud in $R^{(}N-1)$.

Parameters:

coordinates (ndarray) – The point coordinates in $R^N$.

Raises:

ZeroDivisionError – If the last element of coordinates is equal to 1.

Returns:

Returns the point coordinates in $R^{(}N-1)$.

Return type:

ndarray