Update README.md

Update README.md

Update README.md

Various updates to README.md

append a few tests

Delete settings.json

update html

update user documentation

correct source code comment

change one lratsubst to a fullratsubst

delete alt_eigen_fullratsubst

Update alt_eigen.mac

update

spelling fixes

alter stopping condition for alt_eigen_columnspace

New function alt_eigen_fullratsubst

Revert the change to a gram-schmidt based column space function.

change fullratsubst to lratsubst in test suite

use lratsubst, not fullratsubst

put comment into rtest_alt_eigen

change some fullratsubst to lratsubst-the fullratsubst isn't needed

Delete index.html

revise user documentation--lots of changes

remove stray $

update documentation

Update alt_eigen.texi

update alt_eigen.html info

Update alt_eigen.texi

check that eigenvalue identifier is a mapatom

start on user documentation