matrix indexing should be explained in the manual #7877
Description
A lot of the great stuff in the docstrings for the matrix __getitem__ and __setitem__ functions should be in the reference manual somewhere, maybe http://sagemath.org/doc/reference/sage/matrix/docs.html.
CC: @rbeezer @sagetrac-mvngu
Component: documentation
Author: Jason Grout
Reviewer: Robert Bradshaw, Minh Van Nguyen
Merged: sage-4.3.4.alpha0
Issue created by migration from https://trac.sagemath.org/ticket/7877