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each eigenvectors-->each eigenvector
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curiousguy13 committed Jan 30, 2015
1 parent a6d2949 commit dc02e7a
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2 changes: 1 addition & 1 deletion src/shogun/converter/Isomap.h
Expand Up @@ -40,7 +40,7 @@ class CDistance;
* - Compute squared distances matrix \f$D\f$ such as \f$D\{i,j\} = d^2(x_i,x_j)\f$.
* - Relax distances with shortest(so-called geodesic) distances on the sparse neighbourhood graph (e.g. with sparse Dijkstra algorithm).
* - Center the matrix \f$D\f$ with subtracting row mean, column mean and adding to the grand mean. Multiply \f$D\f$ element-wise with \f$-0.5\f$.
* - Compute embedding with the \f$t\f$ eigenvectors that correspond to the largest eigenvalues of the matrix \f$D\f$; normalize these vectors dividing each eigenvectors with square root of its corresponding eigenvalue. Form the final embedding with eigenvectors as rows and projected feature vectors as columns.
* - Compute embedding with the \f$t\f$ eigenvectors that correspond to the largest eigenvalues of the matrix \f$D\f$; normalize these vectors dividing each eigenvector with square root of its corresponding eigenvalue. Form the final embedding with eigenvectors as rows and projected feature vectors as columns.
* It is possible to apply preprocessor to specified distance using
* apply_to_distance.
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