convert cell to a list

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Izem 2020-9-22

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https://ww2.mathworks.cn/matlabcentral/answers/597838-convert-cell-to-a-list

评论： Izem 2020-9-22

Let's say I have 2 cells X = {'1 2 3 4 5 6'} and Y = {'7 8 9 10 11 12'}. I want to plot(X,Y), is there a way to do it directly ? Else, how can I convert X and Y to lists ?

Thanks in advance,

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采纳的回答

Ameer Hamza 2020-9-22

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https://ww2.mathworks.cn/matlabcentral/answers/597838-convert-cell-to-a-list#answer_498427

在 MATLAB Online 中打开

You can use str2num to convert the char array to numeric values

X = {'1 2 3 4 5 6'};
Y = {'7 8 9 10 11 12'};
plot(str2num(X{1}), str2num(Y{1}))

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Ameer Hamza 2020-9-22

在 MATLAB Online 中打开

str2double() only work if you only have a single number, such as, X = {'1'}. In your case, str2num() will be used. You can suppress the warning by typing the comment after the line.

plot(str2num(X{1}), str2num(Y{1})) %#ok<ST2NM>

Izem 2020-9-22