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

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.

Answer 1

[Chunru]

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

[Dhanalakshmi M]

Thanks a lot, it works.