Documentation API of the 'cern.colt.matrix.tdcomplex.impl.DenseColumnDComplexMatrix2D' Java class

Class DenseColumnDComplexMatrix2D

  • All Implemented Interfaces:
    Serializable, Cloneable

    public class DenseColumnDComplexMatrix2Dextends DComplexMatrix2D
    Dense 2-d matrix holding complex elements. Implementation:

    Internally holds one single contigous one-dimensional array, addressed in row major. Complex data is represented by 2 double values in sequence, i.e. elements[idx] constitute the real part and elements[idx+1] constitute the imaginary part, where idx = index(0,0) + row * rowStride + column * columnStride. Note that this implementation is not synchronized.

    Cells are internally addressed in row-major. Applications demanding utmost speed can exploit this fact. Setting/getting values in a loop row-by-row is quicker than column-by-column. Thus

     for (int row = 0; row < rows; row++) {     for (int column = 0; column < columns; column++) {         matrix.setQuick(row, column, someValue);     } } 
    is quicker than
     for (int column = 0; column < columns; column++) {     for (int row = 0; row < rows; row++) {         matrix.setQuick(row, column, someValue);     } } 
    See Also:
    Serialized Form

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