How do I access data within a cell?
1 view (last 30 days)
Show older comments
Franchesca
on 21 Apr 2014
Edited: Walter Roberson
on 21 Apr 2014
I have a variable which contains all the data within each cell, so you have to double click to open each matrix of data.
I want to count the number of zeros in the fifth column of the matrix. This is the code I have so far:
numberOfZeros = numel(mydata{7,1}) - nnz(mydata{7,1},{,:5});
It works when I didn't have the {,:5} but counted the number of zeroes in the whole matrix how do I define just column 5?
0 Comments
Accepted Answer
Walter Roberson
on 21 Apr 2014
Edited: Walter Roberson
on 21 Apr 2014
You have an extra comma, and one set of brackets of the wrong type, and wrong notation for column 5.
size(mydata{7,1},1)) - nnz(mydata{7,1}(:,5))
size(Array,1) asks for the number of rows in the array, and number of rows is going to be the same as the number of items that are in column 5.
But I would suggest
T = mydata{7,1)(:,5);
numberOfZeros = length(T) - nnz(T);
0 Comments
More Answers (0)
See Also
Categories
Find more on Data Type Conversion in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!