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components -- list the components of a direct sum

Description

components x -- produces a list of the components of an element of a free module.
components M -- the list of components for a module M which was formed as a direct sum, or {M} if M was not formed as a direct sum. Works also for matrices, chain complexes, etc.

See also

Menu

Ways to use components:

  • components(Matrix)
  • components(Module)

For the programmer

The object components is a method function.


The source of this document is in Macaulay2Doc/functions/directSum-doc.m2:134:0.