public static RowMajorSparseMatrix zero(int rows, int columns, int capacity) {
        return CRSMatrix.zero(rows, columns, capacity);
    }
public static RowMajorSparseMatrix zero ( int rows , int columns , int capacity ) { return CRSMatrix . zero ( rows , columns , capacity ) ; }
Creates a zero {@link RowMajorSparseMatrix} of the given shape:
{@code rows} x {@code columns} with the given {@code capacity}.