sum filed in struct

>>Sis.PV

ans =

20

ans =

20

ans =

20

Sis =

1×82 struct array with fields:

Name

On

PV

>> sum(Sis.PV)

Error using sum

Too many input arguments.

Answer 1

[Paul]

% example data
Sis.PV = 20;
% Sis.PV = repmat(Sis.PV,1,82); % original incorrect line, expanded the field instead of the struct
Sis = repmat(Sis,1,82);  % correct line, expands the struct
Sis

Sis = 1×82 struct array with fields:
    PV

sum([Sis.PV])

ans = 1640

See this tutorial on how to use comma separated lists.

[Luca Re]

Thank you.. But why you use []? I dont uderstand

[Paul]

Yes, I used []. Read the tutorial at the link I provided in the answer for more info. And/or search the doc for "comma-separated lists".

[Paul]

I just realized I had a mistake in my example. I'll edit the Answer.