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I dont understand this error

조회 수: 2(최근 30일)
David David
David David 2021년 9월 18일 0:04
댓글: Image Analyst 2021년 9월 18일 0:28
e =rand(1,100);
T = rand(1,100);
[A,B] = pair(e,T);
plot(A(1),A(2))
plot(B(1),B(2))
function [A,B] = pair(C,D)
if (C > 0.3) & (D < 0.3)
A = [C,D];
else
B = [C,D];
end
end
I dont understand this error
Output argument "A" (and maybe others) not assigned during call to "pairwise".

답변(1개)

Image Analyst
Image Analyst 2021년 9월 18일 0:26
You need to assign BOTH A and B, not just one of them. You only went into the else block and so you only assigned B, not A. So you can do
function [A,B] = pair(C,D)
A = 0; % or null []
B = 0;
if (C > 0.3) & (D < 0.3)
A = [C,D];
else
B = [C,D];
end
or just have one output
function result = pair(C,D)
if (C > 0.3) & (D < 0.3)
result = [C,D];
else
result = [C,D];
end
  댓글 수: 1
Image Analyst
Image Analyst 2021년 9월 18일 0:28
Also, your error mentioned pairwise, which you didn't give. You only gave us the pair() function, not pairwise(), but essentially the concept/fix would be the same. You always have to assign all output variables (unless you do special tricks).

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