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How can i rewrite this logic for n elements?

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Sumanth
Sumanth 2023-2-28
评论： Walter Roberson 2023-2-28
if q(1,1) == 1
disp("q1 is selected")
D = D1;
P= P1;
elseif q(1,2) == 1
disp("q2 is selected")
D = D2;
P= P2;
elseif q(1,3) == 1
disp("q3 is selected")
D = D3;
P= P3;
end
Hello I have to re-write this logic for 10elements i.e what if q array consists of 1*10 slots unlike above i have just 3. also it is very unpredictable that when the value of q elements can be 1.
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Walter Roberson
Walter Roberson 2023-2-28
编辑：Walter Roberson 2023-2-28
https://www.mathworks.com/help/deeplearning/ref/onehotdecode.html
Or...
Dvals = [D1, D2, D3, D4, D5, D6, D7, D8, D9, D10];
Pvals = [P1, P2, P3, P4, P5, P6, P7, P9, P9, P10];
idx = find(q == 1, 1); %first
if ~isempty(idx)
D = Dvals(idx);
P = Pvals(idx);
else
uh oh
end
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John D'Errico
John D'Errico 2023-2-28
@Sumanth So then learn to use arrays in their many forms, possibly multidimensional arrays, or cell arrays.
Walter Roberson
Walter Roberson 2023-2-28
Dvals = {D1, D2, D3, D4, D5, D6, D7, D8, D9, D10};
Pvals = {P1, P2, P3, P4, P5, P6, P7, P9, P9, P10};
idx = find(q == 1, 1); %first
if ~isempty(idx)
D = Dvals{idx};
P = Pvals{idx};
else
uh oh
end

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