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what correction is required in the code?
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I am trying to perform 2*2 + 2*5 + 5*8, for [2 2 5 8] vector which is product of consicutive and sum of all. without using sum() & diff() and using for loop
function [out] = pairprodsum (m)
s = 0
for i = 1
b = m(1:end-1).*m(2:end);
s = s + b;
end
out = s;
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Risposte (2)
James Tursa
il 11 Nov 2021
If the homework assignment specifies you must use a loop, then I don't think the intent was for you to wrap a simple i=1 range around vectorized code. That being said, I suppose your "loop" technically qualifies.
b is a vector. You simply need to sum all the elements of b and return that. s = s + b does not sum the element of b ... it simply creates a new vector s that is a copy of b. You need different code to sum the elements of b. There are various ways to do this, which I will let you figure out.
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James Tursa
il 11 Nov 2021
How could you maybe change the for loop range so it added up all of the elements?
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