resX=resCurveOnScroll(Phi,b)
This function computes the Eagon-Northcott type resolution associated to the matrix Phi defining the scroll and an integer b defining the twist $O_{P(E)}(bR)$. The way the function works is similar to the way the "Eagon-Northcott" function by Greg Smith works.
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The object eagonNorthcottType is a method function.