Return the header, corresponding to a specified row span of the input array


- arr (IntPtr)
- Input array
- submat (IntPtr)
- Pointer to the prelocated memory of resulting sub-array header
- startRow (Int32)
- Zero-based index of the starting row (inclusive) of the span
- endRow (Int32)
- Zero-based index of the ending row (exclusive) of the span
- deltaRow (Int32)
- Index step in the row span. That is, the function extracts every delta_row-th row from start_row and up to (but not including) end_row

The header, corresponding to a specified row span of the input array