filtfilt function doesnt work

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sathish
sathish 2013-2-13
i have designed a 4th 0rder IIR elliptical filter, I wanted to remove the phase delay in it. i used filtfilt(d.sosMatrix,d.ScaleValues,input). The result gives NaN values?
please help...

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Cameron
Cameron 2013-3-3
Not the only one with this problem. see the link below
http://www.mathworks.com/matlabcentral/answers/62553

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