question: returns the similarity matrix of the pca . concode_field_sep LinearEquationSystem linearEquationSystem concode_elem_sep int correlationDimensionality concode_elem_sep double[][] weakEigenvectors concode_elem_sep double[] centroid concode_elem_sep double[][] strongEigenvectors concode_elem_sep NumberFormat nf concode_elem_sep double[][] similarityMatrix concode_elem_sep double standardDeviation concode_field_sep double[][] dataProjections concode_elem_sep double getStandardDeviation concode_elem_sep double distance concode_elem_sep double distance concode_elem_sep double[] errorVector concode_elem_sep double[] getCentroid concode_elem_sep double[][] getStrongEigenvectors concode_elem_sep LinearEquationSystem getNormalizedLinearEquationSystem concode_elem_sep void writeToText concode_elem_sep double[] dataVector concode_elem_sep String getLongName concode_elem_sep double[][] getWeakEigenvectors concode_elem_sep int getCorrelationDimensionality concode_elem_sep String getShortName
target: double [ ] [ ] function ( ) { return similarityMatrix ; }