Output argument (and maybe others) not assigned during call to

I need your help to correct this code

function A = zermoment (F, orde, tampil)

if nargin < 3
    tampil = false;
end

[min_x, max_x, min_y, max_y] = kotak_pembatas(F);
B = F(min_y:max_y, min_x:max_x);

[m, n] = size(B);

beta = 20000; 
luas = sum(sum(B)); % Luas objek

m1 = fix(m * sqrt(beta/luas));
n1 = fix(n * sqrt(beta/luas));

C = imresize(B, [m1, n1]);
[m, n] = size(C);

maks_mn = max(m, n);
m_baru = round(sqrt(2) * maks_mn);
n_baru = m_baru;
D = zeros(m_baru, n_baru);

for i=1 : m
    for j=1: n
        D(i,j) = C(i,j);
    end
end

m = m_baru;
n = n_baru;

the result is Output argument (and maybe others) not assigned during call to...

like that

[Gyaneshwar dubacharla]

Initialize all the variables to [ ]. Because the vairable is not assigned a value

Answer 1

[John D'Errico]

Where in that code do you ever create the variable A? You are trying to return a variable A.

READ THE ERROR MESSAGE! What did it say? It said that an output argument (A is the ONLY output argument) was never assigned a value.

[Aldo Díaz]

However, it seems MATLAB does not support "nargin < 3" (R2018b) because it directly skips the code and throws the ouput argument not assigned error!

Is it a bug detected?

[Walter Roberson]

Aldo, could you show us some example code that you are having the problem with?

[Walter Roberson]

The nargin < 3 test is about making sure tampil has a value, and does not affect whether the output, A, is assigned to.

[Malon Holmes]

You don't need to yell bruh.

[Malon Holmes]

@John D'Errico