minorsComplex(..., Strategy => ...) -- choose between Exact and Numeric algorithms

Synopsis

• Usage:

  minorsComplex(d,v,C, Strategy => s)

• Inputs:

  • d, an integer, integer corresponding to the degree of the strand of the chain complex.
  • v, a list, list of variables of the polynomial ring R to take into account for elimination
  • C, a chain complex, a chain complex of free modules over a polynomial ring
  • s, a symbol, either Exact or Numeric
• Consequences:

  • If s is Exact, then therank algorithms is used computing minors; if s is Numeric, then numerical rank computation is used, this is, all coefficients are evaluated in the ground field before computing ranks.

Description

See also

• detComplex -- This function calculates the determinant of a graded ChainComplex with respect to a subset of the variables of the polynomial ring in a fixed degree.
• listDetComplex -- This function calculates the list with the determinants of some minors of the maps of a graded ChainComplex with respect to a subset of the variables of the polynomial ring in a fixed degree.