How to store a matrix, A, in variable X, where X is also carrying a counter "i"

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I have a matrix A, which I want to store in a varaible X.
Now I can do,
But the varaible is X is having a counter i, beacuse the value of X variable in one iteration will be used in the next iteration and so on.
So, it put a counter like this;
But, in the above line, the indices error - Unable to perform assignment because the indices on the left side are not compatible with the size of the right side - is shown.
What should be the correct syntax, plaease tell me.

Akzeptierte Antwort

Ulli Srinivasu
Ulli Srinivasu am 16 Sep. 2020
Hi Neeraj,
simply create a structure.
X = struct();
X(i).A = A;
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Sindar am 16 Sep. 2020
Simple way: add a third dimension, "pages":
X(:,:,i) = A;
But, if you only need the last iteration, it's better to store just the current and last iteration. Something like:
X_new = rand(n,m);
for ind=1:10
X_old = X_new;
X_new = X_old.^2;
  4 Kommentare
Neeraj Kumar
Neeraj Kumar am 16 Sep. 2020
Bearbeitet: Neeraj Kumar am 16 Sep. 2020
Ok, i will try this X_old strategy. Thanks Walter! Thanks Sindar!

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