function prodby2 with for loop that will give you product of odd integers

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Nabin SUNAM
Nabin SUNAM 2015-2-6
评论： asma sarouji 2018-11-1
I"m having hard time with this question:
Write a function prodby2 that will receive a value of a positive integer n and will calculate and return the product of the odd integers from 1 to n(or from 1 to n-1 if n is even). Use a for loop.
This is what I tried,
unction runprod = prodby2(n)
runprod = 1:2:n;
for i = 1:(ceil(n/2))
temp = runprod
runprod = temp*runprod
end
end
Any help please !!!

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回答（1 个）

Jason Moore
Jason Moore 2015-2-6
The following function should produce what you are looking for
function output = prodby2(n)
if n>0
output = 1;
for i=1:n
%check using modulo if the number is an odd number
if mod(i,2)
output = output*i;
end
end
else
output = 0;
end
end

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