Constructs a rectangular matrix from a given row and column index vector.
Constructs a rectangular matrix from a given row and column index vector.
Example:
sheet.getMatrix(rows = 0 until 10, cols = 1 to 3) { case Some(NumericCell(_, v)) => v case _ => Double.NaN }
the matrix cell type
the rows to scan
the columns to scan
the function to extract a matrix cell value for a given cell option
Maps indices to rows.
Sorted by index.