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blockDiff -- prepares a map for display

Synopsis

Usage:

X = blockDiff(A,n)
Inputs:
- A, an instance of the type DGAlgebra,
- n, an integer,
Outputs:
- X, a matrix, map between labeled direct sums

Description

Use displayBlockDiff to display the blocks in various ways.

See also

displayBlockDiff -- Shows natural decomposition of a map in the Tate resolution

Ways to use blockDiff :

blockDiff(DGAlgebra,ZZ)

For the programmer

The object blockDiff is a method function.