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How to find sum of previous 5 numbers in a column..

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Dhanalakshmi M
Dhanalakshmi M 2022-7-28
评论： Dhanalakshmi M 2022-7-28
I have a column with certain readings. I want to find the sum of previous 5 numbers for the entire column. I am not familiar with for statement in matlab. Can anyone help. I am giving below the data in column 1 and the result needed in colmn 2. Thanks in Advance.
Data Sum of previous 5 numbers
56
45
56
678
678 1513
568 2025
2 1982
3 1929
4 1255
5 582
6 20
7 25
23 45
35 76
45 116
56 166
63 222
57 256
56 277
78 310
Regards.

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采纳的回答

Chunru
Chunru 2022-7-28
Ran in:
x = [56 45 56 678 678 568 2 3 4 5];
y = filter(ones(5,1), 1, x)
y = 1×10
56 101 157 835 1513 2025 1982 1929 1255 582
y1 = y(5:end)
y1 = 1×6
1513 2025 1982 1929 1255 582

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