Merge pull request #9081 from catree:fix_tutorial_pca_intro

Fix wrong mat access in introduction_to_pca.cpp

Merge pull request #9081 from catree:fix_tutorial_pca_intro
Fix wrong mat access in introduction_to_pca.cpp
639e7367 · Alexander Alekhin · GitHub · 2863c9fe · 8b7cb8a3 · 639e7367
Commit 639e7367 authored Jul 03, 2017 by Alexander Alekhin Committed by GitHub Jul 03, 2017
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introduction_to_pca.cpp ...orial_code/ml/introduction_to_pca/introduction_to_pca.cpp +1 -1

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--- a/samples/cpp/tutorial_code/ml/introduction_to_pca/introduction_to_pca.cpp
+++ b/samples/cpp/tutorial_code/ml/introduction_to_pca/introduction_to_pca.cpp
@@ -73,7 +73,7 @@ double getOrientation(const vector<Point> &pts, Mat &img)
        eigen_vecs[i] = Point2d(pca_analysis.eigenvectors.at<double>(i, 0),
                                pca_analysis.eigenvectors.at<double>(i, 1));
-        eigen_val[i] = pca_analysis.eigenvalues.at<double>(0, i);
+        eigen_val[i] = pca_analysis.eigenvalues.at<double>(i);
    }
 //! [pca]