Removing nan values inside cells of a cell array

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johndoe 2020-4-14

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https://ww2.mathworks.cn/matlabcentral/answers/517798-removing-nan-values-inside-cells-of-a-cell-array

评论： Abdulaziz Abutunis 2021-8-19

采纳的回答： Geoff Hayes

I have a cell array that looks like this:

Cells in column 1 would look similar to this with nan values mixed values of salinity:

Column 2 is depth values from 1 and onwards, like this:

Is there any way to remove the nan values in column 1 and the corresponding values in column 2?

I've been trying to search for it but haven't found a way that I could get to work.

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Answer 1

Geoff Hayes 2020-4-14

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https://ww2.mathworks.cn/matlabcentral/answers/517798-removing-nan-values-inside-cells-of-a-cell-array#answer_426003

在 MATLAB Online 中打开

Jaskabara - you can use isnan to determine which elements are NaN in your array. This function returns a logical array containing 1 (true) where the elements of A are NaN, and 0 (false) where they are not. For example,

column1 = randi(255,15,1);    % generate two 15x1 columns of random integers
column2 = randi(255,15,1);
column1(5) = NaN;             % set a couple of elements in column1 to NaN
column1(11) = NaN;
nanElements = isnan(column1); % determine indices corresponding to NaN elements
column1(nanElements) = [];    % remove NaN elements from column1
column2(nanElements) = [];    % remove corresponding elements from column2