I'm not really sure why this doesn't work. It returns parentheses on right positions, but generates some random chars instead of spaces.
Ok, it seems that there is an internal bug in accumarray.
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