Saving a variable with an index in a for loop

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Brooks Lane
Brooks Lane 2021-10-4
编辑： Stephen23 2021-10-5
Hello. I am running into an issue of saving a created matrix with an index added to it for example
for i=1:10
x=1:10
y=1:10
z=1:10
A=[x y z]
end
What im tryng to do is then save the resulting matrix as A1, A2, A3 ect. any pointers for this?

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回答（1 个）

Steven Lord
Steven Lord 2021-10-4
Can you do this? Yes.
Should you do this? The general consensus is no. See that Answers post for an explanation and alternatives.
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Walter Roberson
Walter Roberson 2021-10-4
If you do not have consistency of sizes, then use a cell array
A{i} = [x y z]
Stephen23
Stephen23 2021-10-5
编辑：Stephen23 2021-10-5
The solutions given above concatenate your data, which apparently your data is not suitable for.
You can trivially resolve this by using a cell array, for example:
c = cell(10,3);
for ii = 1:10
c{ii,1} = 1:10;
c{ii,2} = 1:10;
c{ii,3} = 1:10;
end
https://www.mathworks.com/help/matlab/matlab_prog/access-data-in-a-cell-array.html
Your approach of putting pseudo-indices into the variable names should definitely be avoided.

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