xp = project2linspace(A,b,x0)
Projects a rational point $x_0$ onto the affine subspace given by $A x = b$
The object project2linspace is a function closure.
The source of this document is in /build/reproducible-path/macaulay2-1.25.06+ds/M2/Macaulay2/packages/SemidefiniteProgramming/SDPdoc.m2:373:0.