Replace NaN values with blanks

Hello all,

I need to replace the NaN values with a blank space in either a matrix or cell array. What should I do?? On trying the below code with cell array, I got the following error:

a(cellfun(@isnan,a)) = {[]}; Error: Function name must be a string.

I am using Matlab 7.0.1 (R14).

How should I give the isnan function???

Thanks in advance for the help.

[Azzi Abdelmalek]

[Samyukhta commented]

I get the same error, function name must be a string. Is there any other way to give @isnan????

[Azzi Abdelmalek]

[Samyukhta commented]

Hello Ilham Hardy and Azzi Abdelmalek ,

I get the same error , Function name must be a string.

What should I do???? How am I supposed to give @isnan()???

[Azzi Abdelmalek]

Samyukhta , please if you want to comment an answer, click on [comment on this answer]

Answer 1

[Jan]

R14 is very old now. I'm not sure if cellfun accepted function handles freely in this version. But you can emulate this simply by a loop:

for k = 1:numel(C)
  if isnan(C{k})
    C{k} = '';
  end
end

Replacing NaN values by '' in a matrix will not work: All elements of a matrix need to be the same type. While NaN is a double or single, the empty string is a char.

[Subhiksha]

It worked perfectly fine:):)

Thank you.

[Stephen23]

@Vasishta Bhargava: numeric arrays cannot contain characters, so what you want is not possible. The value 65 is the character encoding number for the letter 'A'. You were told this in response to your earlier comment:

https://www.mathworks.com/matlabcentral/answers/173120-removing-nan-from-matrix-with-strings-and-numbers#comment_583602

Please stop hijacking other people's threads. You have been given the same information twice now, it will not change if you ask again.

Answer 2

[Azzi Abdelmalek]

A={nan 1 2 nan 3 'r'}
A(cellfun(@isnan,A))={''}

[Azzi Abdelmalek]

In windows command type

 isnan

What did you get?