log +sbp/+implementations/d2_variable_2.m @ 779:efc63f5b2df5 feature/better_multiblock_defs

age author description
Tue, 20 Dec 2016 15:04:02 +0100 Martin Almquist Added 2nd order accurate 2nd derivative with variable coefficents in a separate implementation file, used by the class D2Variable.