How would i generalize the following variables

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Feliciano Döring 2018-4-4

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/392661-how-would-i-generalize-the-following-variables

编辑： Matt J 2018-4-4

I want to generalize the following variables

dat=norm(A(:,5)-A(:,1));
dbt=norm(A(:,5)-A(:,2));
dct=norm(A(:,5)-A(:,3));
ddt=norm(A(:,5)-A(:,4));

i already tried doing it like this,

dt=norm(A(:,5)-A(:,1:4));

but i want it to calculate for each element, so how would it do it?

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Answer 1

Matt J 2018-4-4

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/392661-how-would-i-generalize-the-following-variables#answer_313496

在 MATLAB Online 中打开

interdists.m

Using the attached file,

G = interdists(A)

will return a matrix G(i,j)=norm(A(:,i)-A(:,j)).

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Feliciano Döring 2018-4-4

编辑：Feliciano Döring 2018-4-4

I think that goes a little above of what i want. I have these four variables dat,dbt,dct and ddt and i want just their value. The thing is if i want more variables with these similar formulas how would the code look like i'm trying to reduce the work i have in typing them every time whilst they look alike.