respond equal a character ?

2020 5 3
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更新时间：2020 5 4
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hi all,
I did it,
accept=input('do you want to play again, Yes(Y,y), No(N,n); \n','s');
while accept~='Y'||accept~='y'||accept~='N'||accept~='n'
accept=input('do you want to play again, Yes(Y,y), No(N,n); \n','s');
end
and it is not working. I couldn't save quastion of while loop can anyone help me ?

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Stephen23
Stephen23 2020-5-4
编辑：Stephen23 2020-5-4
Given A~=B, can you give a value of X which will make this statement false?:
X~=A || X~=B

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Walter Roberson
Walter Roberson 2020-5-3

0 个投票

Use strcmp() or strcmpi() or ismember()
Using ~= together with "||" will fail if the user enters more than one character.

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