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Impove the documentation for Mat::diag
author
Fangjun KUANG
<csukuangfj@gmail.com>
Mon, 13 Mar 2017 11:46:50 +0000
(12:46 +0100)
committer
GitHub
<noreply@github.com>
Mon, 13 Mar 2017 11:46:50 +0000
(12:46 +0100)
modules/core/include/opencv2/core/mat.hpp
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diff --git
a/modules/core/include/opencv2/core/mat.hpp
b/modules/core/include/opencv2/core/mat.hpp
index
331835d
..
792f97b
100644
(file)
--- a/
modules/core/include/opencv2/core/mat.hpp
+++ b/
modules/core/include/opencv2/core/mat.hpp
@@
-1085,6
+1085,29
@@
public:
immediately below the main one.
- `d>0` is a diagonal from the upper half. For example, d=1 means the diagonal is set
immediately above the main one.
+ For example:
+ @code
+ Mat m = (Mat_<int>(3,3) <<
+ 1,2,3,
+ 4,5,6,
+ 7,8,9);
+ Mat d0 = m.diag(0);
+ Mat d1 = m.diag(1);
+ Mat d_1 = m.diag(-1);
+ @endcode
+ The resulting matrices are
+ @code
+ d0 =
+ [1;
+ 5;
+ 9]
+ d1 =
+ [2;
+ 6]
+ d_1 =
+ [4;
+ 8]
+ @endcode
*/
Mat diag(int d=0) const;