if you're going to post trivial problems that have already been posted before, at least use a proper test suite.
and this one does not even require a solution
Change the sign of even index entries of the reversed vector
Saving MATLAB session to a file
Matlab Basics II - Unit Conversion
Matlab Basics - Create a row vector
Matlab Basics II - Free Fall
Matlab Basics II - Determine if an array has a 3rd dimension
Matlab Basics II - 3 Dimensional Arrays
Matlab Basics - y as a function of x
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