How to sum up a member of a 3D struct for all elements?

Dear Community,

I have a 3D struct, with several members. I would like to sum up a certain member (oipsc) of the struct for all elements. How I could do it? I've tried several methosds, but frankly I don't know the right command i.e. syntax. I'm relatively new to Matlab. I've attached a simple SumTest.m code to higlight my problem.

Tx for the kind help in advance,

best regards,

Andras

Answer 1

[Askic V]

Do you really need this (implemented with loops):

[d1,d2,d3] = size(gridblock);

sum_oipsc = 0;
for i = 1:d1
    for j = 1:d2
        for k = 1:d3
            sum_oipsc = sum_oipsc + gridblock(i,j,k).oipsc;
        end
    end
end

If that is the case, then the solution would be as simple as:

sum_oipsc2 = sum([gridblock(:).oipsc])

[sim_sup]

Dear Askic,

This was exactly the answer I was looking for :-)

Tx very much,

best regards

Andras

[Askic V]

@sim_sup, In that case, please consider accepting this as an asnwer, so it can benefit others in the future.