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authorNarayan Kamath <narayan@google.com>2012-11-02 10:59:05 +0000
committerXiaotao Duan <xiaotao@google.com>2012-11-07 14:17:48 -0800
commitc981c48f5bc9aefeffc0bcb0cc3934c2fae179dd (patch)
tree54d1c7d66098154c1d7c5bd414394ef4cf255810 /doc/snippets/Tridiagonalization_compute.cpp
parent63f67d748682b46d58be31235a0a2d64d81b998c (diff)
downloadeigen-c981c48f5bc9aefeffc0bcb0cc3934c2fae179dd.tar.gz
Added a README.android and a MODULE_LICENSE_MPL2 file. Added empty Android.mk and CleanSpec.mk to optimize Android build. Non MPL2 license code is disabled in ./Eigen/src/Core/util/NonMPL2.h. Trying to include such files will lead to an error. Change-Id: I0e148b7c3e83999bcc4dfaa5809d33bfac2aac32
Diffstat (limited to 'doc/snippets/Tridiagonalization_compute.cpp')
-rw-r--r--doc/snippets/Tridiagonalization_compute.cpp9
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/snippets/Tridiagonalization_compute.cpp b/doc/snippets/Tridiagonalization_compute.cpp
new file mode 100644
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+++ b/doc/snippets/Tridiagonalization_compute.cpp
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+Tridiagonalization<MatrixXf> tri;
+MatrixXf X = MatrixXf::Random(4,4);
+MatrixXf A = X + X.transpose();
+tri.compute(A);
+cout << "The matrix T in the tridiagonal decomposition of A is: " << endl;
+cout << tri.matrixT() << endl;
+tri.compute(2*A); // re-use tri to compute eigenvalues of 2A
+cout << "The matrix T in the tridiagonal decomposition of 2A is: " << endl;
+cout << tri.matrixT() << endl;