Squashed 'third_party/eigen/' content from commit 61d72f6
Change-Id: Iccc90fa0b55ab44037f018046d2fcffd90d9d025
git-subtree-dir: third_party/eigen
git-subtree-split: 61d72f6383cfa842868c53e30e087b0258177257
diff --git a/unsupported/doc/examples/MatrixLogarithm.cpp b/unsupported/doc/examples/MatrixLogarithm.cpp
new file mode 100644
index 0000000..8c5d970
--- /dev/null
+++ b/unsupported/doc/examples/MatrixLogarithm.cpp
@@ -0,0 +1,15 @@
+#include <unsupported/Eigen/MatrixFunctions>
+#include <iostream>
+
+using namespace Eigen;
+
+int main()
+{
+ using std::sqrt;
+ MatrixXd A(3,3);
+ A << 0.5*sqrt(2), -0.5*sqrt(2), 0,
+ 0.5*sqrt(2), 0.5*sqrt(2), 0,
+ 0, 0, 1;
+ std::cout << "The matrix A is:\n" << A << "\n\n";
+ std::cout << "The matrix logarithm of A is:\n" << A.log() << "\n";
+}