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[Question #158315]: integration of the dot product of gradient of two basis functions

To: dolfin@xxxxxxxxxxxxxxxxxxx
From: Nguyen Van Dang <question158315@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 20 May 2011 10:21:01 -0000
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New question #158315 on DOLFIN:
https://answers.launchpad.net/dolfin/+question/158315

Hello,
I'd like to compute matrix K which elements are K_ij = int_Omega( gradient(phi_i) . gradient(phi_j) )dxdy, where phi_i, phi_j are basis function at node (vertex) ith and jth respectively, Omega is a rectangle. I am using C++ interface. Please help me to solve this problem.
Many thanks in advance.
Dang

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