The description of this problem is not very clear. It's really asking for the first and last row for each unique value in the first column.
"However there will be more than one row index and that makes this question challenging." - that really explains nothing to me
Back and Forth Rows
Set the array elements whose value is 13 to 0
Do you like your boss?
03 - Matrix Variables 5
Create co-occurrence matrix
List all of the integer points in a bounded feasble region
Lunar Arithmetic (Multiplication)
Grouped Frequency Distributions
Find the treasures in MATLAB Central and discover how the community can help you!
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office