I have been working on this code. But it's kept showing me this error. Please help me
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Manh Duc Luong
le 17 Oct 2021
Commenté : Manh Duc Luong
le 19 Oct 2021
A = [1 0; -1 3];
n = numposel(A)
function res = numposel(A)
[rows, cols] = size(A);
res = 0;
for i=1:rows
for j =1:cols
if (A(i,j)>0)
res=res+1;
end
end
end
end
Unrecognized function or variable 'numposel'.
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the cyclist
le 17 Oct 2021
How are you trying to run that code?
If you just try to run those lines from the Command Window, it will give that error. The reason is that it will try to call the function before it has been defined.
If you put all of that code into an M-file, and then execute the code, it will work.
3 commentaires
the cyclist
le 17 Oct 2021
I don't have any experience with MATLAB Grader.
But, you don't really need to define that function, right? It is easy to make that code work directly, without using a function.
Walter Roberson
le 17 Oct 2021
MATLAB Grader expects a file, if I recall correctly.
And if not, then you can copy and paste all the lines into the MATLAB Grader window. Grader is able to accept "scripts" that include function definitions.
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