From e2c870ec282d6a7a3544cfc7d0dadf915c6541e8 Mon Sep 17 00:00:00 2001 From: Krishnakumar Gopalakrishnan Date: Tue, 14 Jan 2020 13:51:22 +0000 Subject: [PATCH] In step 6, removes the documentation sentences relating to quadrature formula degree since already done in Step-5 --- examples/step-6/step-6.cc | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/examples/step-6/step-6.cc b/examples/step-6/step-6.cc index 5c58859443..a4c9d94cc8 100644 --- a/examples/step-6/step-6.cc +++ b/examples/step-6/step-6.cc @@ -240,18 +240,9 @@ void Step6::setup_system() // @sect4{Step6::assemble_system} -// Next, we have to assemble the matrix again. There are two code changes -// compared to step-5: -// -// First, we have to use a higher-order quadrature formula to account for the -// higher polynomial degree in the finite element shape functions. This is -// easy to change: the constructor of the QGauss class takes the -// number of quadrature points in each space direction. Previously, we had two -// points for bilinear elements. Now we should use three points for -// biquadratic elements. -// -// Second, to copy the local matrix and vector on each cell into the global -// system, we are no longer using a hand-written loop. Instead, we use +// Next, we have to assemble the matrix. However, to copy the local matrix and +// vector on each cell into the global system, we are no longer using a +// hand-written loop. Instead, we use // AffineConstraints::distribute_local_to_global() that internally executes // this loop while performing Gaussian elimination on rows and columns // corresponding to constrained degrees on freedom. -- 2.39.5