Zero out vector lengths ?

[CinnamonMetal]

If a vector has a length, how do you zero out those lengths as I'm iterating over all the vector lengths but I want those a specific length to be zeroed out, giving them a vector of 0  

 

[woodenduck]

Multiply by zero if condition is met.

if(length(v@vectorName) > threshold)
    {
        v@vectorName *= 0;
    }

[animatrix]

Just assign 0 to them afterwards.

myvector = 0;