Why am I not able to generate new struct in my for loop?

Question

Robert Flores 2019-10-2

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/483271-why-am-i-not-able-to-generate-new-struct-in-my-for-loop

回答： Walter Roberson 2019-10-2

Hello,

I am trying to make a new struct in my varible SBOB, such that it contains relative velocities. I have some structs already contained in the varible assignment SBOB, such as the velocities I want to take the differences of. I do not know why the script is not working, I used this same for loop to gerenate those velocities I am trying to take the diffeerences from. Below is a copy of my code so far, if anyone can help me resolve this issue, it will be greatly appreciated.

Sincerely,

Robert

CODE:

for p = 1:length(SBOB)
    for r = 1:3  % This is not for all channels, just bridge & tower parts 
        for h = [8 9 10]
            for w = [11 12 13]
                for c = [14 15 16]
        SBOB{p}.rel_disp_LW(:,r) = SBOB{p}.disp(:,w) - SBOB.disp(:,h)
        SBOB{p}.rel_disp_SW(:,r) = SBOB{p}.disp(:,c) - SBOB.disp(:,h)
                end
            end
        end
    end
end

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Answer 1

Walter Roberson 2019-10-2

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https://ww2.mathworks.cn/matlabcentral/answers/483271-why-am-i-not-able-to-generate-new-struct-in-my-for-loop#answer_394490

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for p = 1:length(SBOB)
    for r = 1:3  % This is not for all channels, just bridge & tower parts 
        for h = [8 9 10]
            for w = [11 12 13]
                SBOB(p).rel_disp_LW(:,r) = SBOB(p).disp(:,w) - SBOB(p).disp(:,h);
                for c = [14 15 16]
                  SBOB(p).rel_disp_SW(:,r) = SBOB(p).disp(:,c) - SBOB(p).disp(:,h);
                end
            end
        end
    end
end