Replace certain cell arrays by other cell arrays

Question

Ahmed Alsaadi 2019-1-4

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链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/438273-replace-certain-cell-arrays-by-other-cell-arrays

评论： Star Strider 2019-1-4

I have this code, I want to replace 0,1,-1 in the first column by T1, T2, T3 respectively and 0,1,-1 by P1, P2, P3 respectively and the same for the third column I want to use S1, S2, and S3 instead of 0, 1, -1. Any ideas?

clc, clear
T = {'T1','T2','T3'}'
PS = {'P1','P2','P3'}'
DS = {'S1','S2','S3'}'
d = bbdesign (3)
dd = num2cell(d)

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Bob Thompson 2019-1-4

Where are these 0, 1, -1s that you are referring to?

Ahmed Alsaadi 2019-1-4

If you run the code "bbdesign" function will generate them, it is a design of experiment function. I want to alter the outputs of the function by using my T, P, and S.

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Answer 1

Star Strider 2019-1-4

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/438273-replace-certain-cell-arrays-by-other-cell-arrays#answer_355013

在 MATLAB Online 中打开

A simple loop seems to work:

idxv = [0; 1; -1];
T = {'T1','T2','T3'}';
PS = {'P1','P2','P3'}';
DS = {'S1','S2','S3'}';
labels = cat(3, T, PS, DS);
d = bbdesign (3);
dd = num2cell(d);
for k1 = 1:size(dd,2)                                       % Columns
    for k2 = 1:numel(idxv)                                  % Elements
        dd(d(:,k1)==idxv(k2), k1) = labels(k2,k1);
    end
end
for k1 = 1:size(dd,1)                                       % Print Results (Delete Later)
    fprintf('%s\t%s\t%s\n', dd{k1,:})
end

producing:

T3	P3	S1
T3	P2	S1
T2	P3	S1
T2	P2	S1
T3	P1	S3
T3	P1	S2
T2	P1	S3
T2	P1	S2
T1	P3	S3
T1	P3	S2
T1	P2	S3
T1	P2	S2
T1	P1	S1
T1	P1	S1
T1	P1	S1

It uses simple logical indexing to compare the column entries of °d’ with successive elements of ‘idxv’, and do the replacements. It requires the interim creation of ‘idxv’ and ‘labels’ to make the code reasonably efficient.