calling matrices for a for loop

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sampath kumar punna am 26 Okt. 2019
Kommentiert: Stephen23 am 26 Okt. 2019
x1 =[
8 9
15 39
23 14
13 17
38 42]
x2 =[
8 9
15 39
23 14
18 2
38 42]
x3 =[
8 9
15 39
23 14
13 17
14 39]
x4 =[
8 9
15 39
23 14
18 2
13 17
38 42]
i have 4 matrices i want to call each matrix to get divided by 2
which is something like this
for i=1: 4
y(i)= x(i)/2
end
but this for loop is is not working beacuse location of x1,x2,x3,x4 is not fixed.
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Stephen23 am 26 Okt. 2019
Use indexing.
Indexing is neat, simple to debug, and very effiicient (unlike what you are trying to do).

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Antworten (1)

David Hill am 26 Okt. 2019
Why not make a cell array?
x{1}= A([1,2,3,5,8],:);
x{2}= A([1,2,3,4,8],:);
x{3}=A([1,2,3,5,7],:);
x{4}=A([1,2,3,4,5,8],:);
for i=1:4
y{i}=x{i}/2;
end
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