approximation(M, Total =>t)If t != true then return only the map from the non-free part of the MCM approximation Otherwise, return the pair of maps that defines the MCM approximation. Default is t ==true.
The source of this document is in /build/macaulay2-88fgJW/macaulay2-1.25.11+ds/M2/Macaulay2/packages/MCMApproximations.m2:491:0.