EFG3_SPH_无网格法_无网格_

function v = gauss2(k) % This function returns a matrix with 4 gauss points and their weights v(1,1) =-.861136311594052575224; v(1,2) =-.339981043584856264803; v(1,3) = -v(1,2); v(1,4) = -v(1,1); v(2,1) =.347854845137453857373; v(2,2) =.652145154862546142627; v(2,3) = v(2,2); v(2,4) = v(2,1);