update a matrix as a queue

SC
2013 1 14
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Hi,
I would like to create a matrix of size 1000 X 1 . After each sampling period, the latest 100 elements come in and push down all the previous elements. For example:
@ t = 0 M = [a0, a1, a2,..., a998, a999]
@ t = 1 M = [a100, a101, a102,... , a1098, a1099]
Can some one recommend a good way of doing this?
Thank you

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Thorsten
Thorsten 2013-1-14

1 个投票

That's easy: just put the first 900 values of your matrix after the new values:
M = [newvalues; M(1:900)];

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