element interpolation solid; emm
In a recent paper Palfia has proposed a general method for extending the definition of binary matrix means to the multivariable case.
are realised as limits of sequences of two-variable
when more than two variables are involved.
can be derived from the two-variable case.
The definition for G involves all the m matrices at the same time,
have not arisen naturally in that context.

element mass{option} More recently there has been vigorous interest in this mean because of its use in image and signal processing problems.
(See the article by Barbaresco [4] for an excellent account).
am be vectors in a Euclidean space and consider the averages s j defined as
Am be positive matrices and consider the ¡°asymmetric averages¡±
However there is an adaptation of this idea¡ªa sequence of such averages that converges to G.
¦Ä2) is a complete metric space of nonpositive curvature.