Using a Variable calculated in a parfor loop

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Alessandro
Alessandro 2015-11-25
评论： Walter Roberson 2015-12-14
I am calculating the internal forces of the finite elements in a mesh inside a parfor loop:
parfor iel=1:nel
id_1 = Connect(iel,1); % ID of 1st Node
id_2 = Connect(iel,2); % ID of 2nd Node
area = Connect(iel,3); % extract cross-sectional area
el_disp = [U(gdl_n*id_1-(gdl_n-1):gdl_n*id_1,1); U(gdl_n*id_2-(gdl_n-1):gdl_n*id_2,1)]; % Element Displacement Vector [U_i U_j]
[qi{iel,1}] = Internal_Forces(id_1,id_2,el_disp,area,mechanical_parameters];
end
I am storing the internal forces 'qi' in a cell. This operation is performed correctly, but then I am unable to use the so calculated variable outside such loop (I am trying to use it as the input for a function). Any ideas?
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Alessandro
Alessandro 2015-12-14
Yes, I am. I receive an error saying that the variable cannot be used outside the parfor loop (will give you more details when I get back to work)!
Walter Roberson
Walter Roberson 2015-12-14
Does the problem change if you use
qi{iel,1} = Internal_Forces(id_1,id_2,el_disp,area,mechanical_parameters];
without the []?
Also, in the code you posted you have a carriage return between mechanical_parameters and the ] that follows it.

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