log +sbp/+implementations/d2_variable_2.m @ 693:a5d4e3ced9a5 feature/quantumTriangles

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.