MM = koszulExtension(FF,BB,psi1,ff)
Implements the construction in the paper "Matrix Factorizations in Higher Codimension" by Eisenbud and Peeva.
The object koszulExtension is a method function.
The source of this document is in /build/reproducible-path/macaulay2-1.25.05+ds/M2/Macaulay2/packages/CompleteIntersectionResolutions.m2:3008:0.