diff options
author | Carlos Becker <carlosbecker@gmail.com> | 2010-07-08 17:42:23 +0100 |
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committer | Carlos Becker <carlosbecker@gmail.com> | 2010-07-08 17:42:23 +0100 |
commit | 9852e7b9cbb6cbfbd9769642355bdac52eb4b4d7 (patch) | |
tree | f1dc86420adb6b9c7edbe07c86f3b2bf5120907b /doc/examples/Tutorial_ReductionsVisitorsBroadcasting_maxnorm.cpp | |
parent | 2066ed91de31b118e20c40fdc74badac8d02dd22 (diff) |
Reductions/Broadcasting/Visitor Tutorial added
Diffstat (limited to 'doc/examples/Tutorial_ReductionsVisitorsBroadcasting_maxnorm.cpp')
-rw-r--r-- | doc/examples/Tutorial_ReductionsVisitorsBroadcasting_maxnorm.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/doc/examples/Tutorial_ReductionsVisitorsBroadcasting_maxnorm.cpp b/doc/examples/Tutorial_ReductionsVisitorsBroadcasting_maxnorm.cpp new file mode 100644 index 000000000..cb46887b6 --- /dev/null +++ b/doc/examples/Tutorial_ReductionsVisitorsBroadcasting_maxnorm.cpp @@ -0,0 +1,19 @@ +#include <iostream> +#include <Eigen/Dense> + +using namespace std; +int main() +{ + Eigen::MatrixXf mat(2,4); + mat << 1, 2, 6, 9, + 3, 1, 7, 2; + + int maxIndex; + float maxNorm = mat.colwise().sum().maxCoeff(&maxIndex); + + std::cout << "Maximum sum at position " << maxIndex << std::endl; + + std::cout << "The corresponding vector is: " << std::endl; + std::cout << mat.col( maxIndex ) << std::endl; + std::cout << "And its sum is is: " << maxNorm << std::endl; +} |