Replace NaN values with blanks

Question

Subhiksha 2013-9-24

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https://ww2.mathworks.cn/matlabcentral/answers/88065-replace-nan-values-with-blanks

编辑： Stephen23 2018-6-29

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.

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Azzi Abdelmalek 2013-9-24

[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 2013-9-24

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

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Answer 1

Jan 2013-9-24

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/88065-replace-nan-values-with-blanks#answer_97658

编辑：Jan 2013-9-24

在 MATLAB Online 中打开

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.

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Subhiksha 2013-9-24

It worked perfectly fine:):)

Thank you.

Stephen23 2018-6-29

编辑：Stephen23 2018-6-29

@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.

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Answer 2

Azzi Abdelmalek 2013-9-24

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/88065-replace-nan-values-with-blanks#answer_97650

在 MATLAB Online 中打开

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

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Azzi Abdelmalek 2013-9-24

在 MATLAB Online 中打开

In windows command type

isnan

What did you get?

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