Matrix should not inherit from AlgebraElement

[roed314]

This ticket makes Matrix only inherit from ModuleElement.

Warning: it will cause practically all Cython files to be rebuilt.

See also #15215 (duplicate of this ticket).

CC: @jasongrout @pjbruin

Component: linear algebra

Keywords: AlgebraElement, Matrix

Author: Peter Bruin

Branch/Commit: 05c7c30

Reviewer: Luis Felipe Tabera Alonso

Issue created by migration from https://trac.sagemath.org/ticket/804

[sagetrac-mabshoff]

comment:1

Maybe now is a good time to do it?

Cheers,

Michael

[mwhansen]

comment:2

What are the reasons for the change in organization?

[robertwb]

comment:4

The reason for the change is that not all matrices are Algebra Elements.

[kcrisman]

comment:5

What should it inherit from instead? This is a naive question, but perhaps someone with not much skill but much patience could fix this :)

[robertwb]

comment:6

ModuleElement