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author | Benoit Jacob <jacob.benoit.1@gmail.com> | 2010-06-26 14:00:00 -0400 |
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committer | Benoit Jacob <jacob.benoit.1@gmail.com> | 2010-06-26 14:00:00 -0400 |
commit | e078bb263759ceaa86ee0b80b8794a88f6ee3a32 (patch) | |
tree | acd603eb4ce132fc0f5805bdfbc5896103d67421 /doc/examples/tut_arithmetic_add_sub.cpp | |
parent | 1c783e252fc7bbe44fb6fb793ebea2f7ad21a083 (diff) |
big improvements to tutorial, especially page 2 (matrix arithmetic).
add placeholders for some 'special topic' pages.
Diffstat (limited to 'doc/examples/tut_arithmetic_add_sub.cpp')
-rw-r--r-- | doc/examples/tut_arithmetic_add_sub.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/examples/tut_arithmetic_add_sub.cpp b/doc/examples/tut_arithmetic_add_sub.cpp new file mode 100644 index 000000000..e97477b6e --- /dev/null +++ b/doc/examples/tut_arithmetic_add_sub.cpp @@ -0,0 +1,22 @@ +#include <iostream> +#include <Eigen/Dense> + +using namespace Eigen; + +int main() +{ + Matrix2d a; + a << 1, 2, + 3, 4; + MatrixXd b(2,2); + b << 2, 3, + 1, 4; + std::cout << "a + b =\n" << a + b << std::endl; + std::cout << "a - b =\n" << a - b << std::endl; + std::cout << "Doing a += b;" << std::endl; + a += b; + std::cout << "Now a =\n" << a << std::endl; + Vector3d v(1,2,3); + Vector3d w(1,0,0); + std::cout << "-v + w - v =\n" << -v + w - v << std::endl; +} |