How to write the constraints in CVX not using a loop

Question

I'm using the matlab package "CVX" to solve an optimization problem. Currently I'm using a for loop to add the constraints, but I found that it is extremely slow when initializing the problem.

for i=1:n
    norm(Nout(i,:)-Nin(i,:))<=tau;
end

Nout and Nin is two matrix of size n*3, and I need the norm of each row of the matrix Nout-Nin is smaller than a threshold, how could I write this without loops? Thanks!

score 0 · Accepted Answer · answered Apr 02 '13 at 11:53

0

You can compute the norm manually:

result = sqrt(sum((Nout - Nin) .^ 2, 2)) <= tau

answered Apr 02 '13 at 11:53

Eitan T

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How to write the constraints in CVX not using a loop

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