I'm trying to simply find a certain value with a text file. The file has 4 columns.
First I read it in:
[a,b,c,d]=textread('6033.txt','%d %d %f %s',96);
Then I want to find every instance were d is not 'N':
>> F=find(d ~= 'N');
But I get:
??? Function 'ne' is not defined for values of class...