Subscripted assignment dimension mismatch.

So I am trying to do this assignment where I have to assign letter grade to given vector percentage (example given [92 86 73 68] my answer should be [A- B C D+ ) . I decided to do this using if...elseif...else statement.

The problem is I also have letter grade which have +,- symbols. For example (B+, D-) etc. So when I have to assign one of these to the given percentage I keep getting the 'Subscripted assignment dimension mismatch.' error.

The thing is if I change B+ or D- to just B and D the program works fine. I feel like the SIZE of my answer increases when I use B+ instead of just B resulting in dimension mismatch somewhere.

What I mean by size:

>> a='B+';

>> b='B';

>> size(a)

ans =

     1     2

>> size(b)

ans =

     1     1

So yeah how do I make my program read B+ as a size of (1 1) rather than (1 2)

if that is possible...new to Matlab

cheers!

Answer 1

[Star Strider]

Use a cell array instead:

grades = {'A+' 'A'  'A-' 'B+' 'B' 'B-' 'C+'  'C' 'C-' 'D+' 'D' 'D-' 'F'};