How can I use the IFFT in Matlab??

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Andrew8611

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I have a vector with 10000 points that represents the magnitude of a frequency response of a FIR filter type 2, ¿How can I transform it to discrete form using ifft? because I tried to use it but the response is not what I expected, plz is urgent.
 

do attention that u must put the data in the vector that is symetric according to the middle point.
yhe essay way for u check first the output of FFT fuction and let the data as well
 

There is a IFFT function in MATLAB available . Use this Function .Before using this function u have to scale the function.
 

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