How do I combine matrices in a specific order?

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Yun Inn 2013-4-4

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https://ww2.mathworks.cn/matlabcentral/answers/69863-how-do-i-combine-matrices-in-a-specific-order

for j=1:5
k=num2str(j); extension='.asc';
filename=strcat('Image',k,extension)
[Profiles]=readProfiles(filename); % Read profiles
ProfilesALL(:,j)=Profiles; 
end
ProfISO_2_5=(ProfilesALL(:,1)+ProfilesALL(:,2))/2;
ProfISO_7_5=(ProfilesALL(:,2)+ProfilesALL(:,3))/2;
ProfISO_15=(ProfilesALL(:,3)+ProfilesALL(:,4))/2;
ProfISO_25=(ProfilesALL(:,4)+ProfilesALL(:,5))/2;

How do I occupy a new matrix, A, to be in this order:

       A(:,1)=ProfilesALL(:,1);
       A(:,2)=ProfISO_2_5;
       A(:,3)=ProfilesALL:,2);
       A(:,4)=ProfISO_7_5;
       A(:,5)=ProfilesALL(:,3);
       A(:,6)=ProfISO_15;
       A(:,7)=ProfilesALL(:,4);
       A(:,8)=ProfISO_25;
       A(:,9)=ProfilesALL(:,5);

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Jan 2013-4-4

A vote for Matt's answer, although it is hidden in the comment section.

Yun Inn 2013-4-4

Thank you!

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Answer 1

Jan 2013-4-4

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编辑：Jan 2013-4-4

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This procedure is actually a linear interpolation:

A = interp1(1:5, transpose(ProfilesALL), 1:0.5:5);

I cannot test this currently, such that I'm not sure about the transpose().

This is a leaner method to create the file name:

filename = sprintf('Image%d.asc', k);

Letting an array gorw iteratively wastes time, but I do not think that this can be measured for the small number of 5 loops. Nevertheless, I suggest to pre-allocate in general. Either allocate ProfilesALL at once by zeros(), when you know the size at the beginning. Or perform an implicit allocation by inserting the last element at first: