subspace {TRES} | R Documentation |
The distance between two subspaces.
Description
This function calculates the distance between the two subspaces with equal dimensions span and span
, where
and
are the basis matrices of two subspaces. The distance is defined as
where is the projection matrix onto the given subspace with the standard inner product, and
is the common dimension.
Usage
subspace(A, B)
Arguments
A |
A |
B |
A |
Value
Returns a distance metric that is between 0 and 1
[Package TRES version 1.1.5 Index]