MATLAB: How to sum all elements of a defined vector ‘V’ that are greater than a scalar value of ‘N’, that is also pre-defined

MATLABsumvectors

I have created mock variables for 'V1' and 'N', and my code goes as follows:

if V1 > N V_sum = sum(V1)

I would not be surprised if I am missing something that is blindingly obvious, but any help is greatly appreciated.

Best Answer

Try

 V_sum = sum(V1(V1 > N));

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MATLAB: Sum question in Matlab

Hii buddy,

There is something you want to know in matlab..

if u sum two vectors, it eventually results in to vector of individual sum of the elements. In your case v1+v2 results into a vector of [4 6], and if u want to sum all the elements in a vector use sum function. for example sum(v1) gives you the scalar value of 3 sum(v2) gives you the scalar value of 7. So you want to modify your code as Vectors=sum(v1)+sum(v2).

MATLAB: How to build this vector

I hope this is not a homework assignment.

N = 10;
V1 = zeros(N, 2);
V1(:,1) = 1:N;
V1(:,2) = 1-1./V1(:,1);

Best Answer

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MATLAB: Sum question in Matlab

MATLAB: How to build this vector

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