MATLAB: How to vectorize for loops

for loopMATLABoptimizationvectorization

I am new with Matlab, and I have the a code with two loops and I need vectorize, Can someone help me?
function  f = eval_Funcion_RHE(x)
    n = length(x);
    f = 0;
     for i = 1:n
         sumaInt = 0;
         for j = 1: i
             sumaInt = sumaInt + (x(j)^2);
         end   
         f = f + sumaInt;
     end
end

Best Answer

x = x(:).';
f = sum(x.^2.*(length(x):-1:1))
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