Arrayfun for a particukar nested loop in GPU computing

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Damiano Capocci 2017-12-26

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https://ww2.mathworks.cn/matlabcentral/answers/374557-arrayfun-for-a-particukar-nested-loop-in-gpu-computing

编辑： Damiano Capocci 2017-12-26

Hi i've this situation (CPU):

X(1)= first_step;
for k=1:length_1
for p=0:min(k-1,length_2)
X(k+1)=X(k+1)+j(p+1)*X(k-p)
end
end

I want to make it more appropriate for GPU, so my idea is to consider arrayfun instead of for loop. I found it not so easy because here i have a nested loop with a dependence from the previous components. I use min() function so in this way the difference k-p is always positive.