obviously redundant.reduce(E, ...)
## S3 method for class 'editmatrix':
reduce(E,
tol = sqrt(.Machine$double.eps), ...)
## S3 method for class 'editarray':
reduce(E, ...)
## S3 method for class 'editset':
reduce(E, ...)E with absolute value <
tol are considered 0.contains, eliminate,
substValue