check value in matfile

I created a matfile as below..
tval=[1 2 3 4 5 6 7]
save filename tval;
now i have a variable whose value is 4...
now i want to check whether that value contains in the matfile... if it is there i want to display a message 'yes' and if not there display 'no'...
please can someone show me how to check whether the variable's values is in the matfile or not...

 采纳的回答

Matt J
Matt J 2012-12-29
编辑:Matt J 2012-12-29
S=load(filename,'tval');
if ismember(4,S.tval),
disp 'yes'
else
disp 'no',
end

3 个评论

sir i'm getting error... its saying undefined function 'filename'
thank u sir...

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