generalEndomorphism -- construct a generic degree-zero endomorphism

• Usage:

  generalEndomorphism M

• Inputs:
  • M, a module or a coherent sheaf,
• Optional inputs:
  • CoefficientRing (missing documentation) => ..., default value null,
  • Density (missing documentation) => ..., default value 1,
  • Height (missing documentation) => ..., default value 10,
  • MaximalRank (missing documentation) => ..., default value false,
  • UpperTriangular (missing documentation) => ..., default value false,
• Outputs:
  • a matrix or a morphism of sheaves,