matlb R7,and The instruction ( thd(x)) ?

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Mary Jon on 2 Jan 2014

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Commented: Wayne King on 3 Jan 2014

Accepted Answer: Jan

I have matlab R7 , But when used instruction thd(x) in M file get this message?

??? Undefined command/function 'thd'.

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Jan on 2 Jan 2014

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Which Matlab 7 version are you talking of?

Do you have the signal processing toolbox installed and licensed?

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Mary Jon on 3 Jan 2014

Open in MATLAB Online

I have not the signal processing toolbox installed and licensed

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Wayne King on 2 Jan 2014

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To follow up on Jan's answer, thd() was introduced in R2013b, so you would have to have the latest release of MATLAB -- 8.2.0.701 (R2013b) AND the Signal Processing Toolbox to use thd()

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Mary Jon on 3 Jan 2014

Mr.King thd() not introduced in R2013a only in R2013b?

Wayne King on 3 Jan 2014

That is correct, thd() was introduced in R2013b in the Signal Processing Toolbox.

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