CODEWITHSUNDEEP
arraysmatlabif-statementfor-loopaverage
Rachkay
Rachkay

Reputation: 45

MATLAB: taking the average of two numbers in a list?

i'm trying to write a script that takes the average of the first two numbers and produces a new list.

for example, if i have

a = [1,2,3,4], i want it to produce b = [1.5, 2.5, 3.5 ]

is there anyway of adding the two endpoints in to the loop? So far, I have:

for i=1:m
    betwn(i) = (values(i) + values(i+1))/2 %values is a list
    if i = m
        break
    end
end

and it doesn't seem to be working well...

Thanks!!

Upvotes: 0

Views: 1760

Answers (2)

bla
bla

Reputation: 26069

another way,

conv(a,[1 1]./2,'valid')

Upvotes: 2

Cheery
Cheery

Reputation: 16214

a = [1,2,3,4], i want it to produce b = [1.5, 2.5, 3.5 ]

There is no need in loop

b = (a(1 : end - 1) + a(2 : end)) / 2;

Another way

b = a(1 : end - 1) + diff(a) / 2;

Upvotes: 2

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