switchFieldMap(S, R, l)
The usual map function does not check whether the map for the ground field is a well-defined map.
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Our function provides a fix to this issue. See below
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The switchFieldMap makes the user defined map compatible with the natural map between the coefficient fields.
The object switchFieldMap is a method function with options.
The source of this document is in /build/reproducible-path/macaulay2-1.25.06+ds/M2/Macaulay2/packages/SwitchingFields.m2:242:0.