REF: GetLinearMatrix() factored out


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5163 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: Jacobian was previously transposed (probably?)


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5164 42a5c34f-2066-0410-bec5-ba365beb4995