MATLAB: Matlb R7,and The instruction ( thd(x)) MATLABthd I have matlab R7 , But when used instruction thd(x) in M file get this message? ??? Undefined command/function 'thd'. Best Answer Which Matlab 7 version are you talking of?Do you have the signal processing toolbox installed and licensed? Related SolutionsMATLAB: Matlab 2010b with OS X lion As of R2011a, MATLAB is supported for Lion, see link.This means it is recommened to upgrade from earlier MATLAB releases to R2011a. MATLAB: Image acquisition toolbox for matlab version 2009a for mac OSX snow leopard Mathworks only sells the last two releases of Student Version toolboxes (i.e., R2011a and R2012a at this time.) After that time the expectation is that you will upgrade to a newer MATLAB if you need the toolbox.The Image Acquisition toolbox is available for R2011a Student Version and R2012a Student Version; see http://www.mathworks.com/academia/student_version/companion.html Related QuestionIs the ‘envelope’ function included in R2015bIf I have a periodic function piecewise, I could calculate THD Total Harmonic Distortion for itHow to open simulink model of 2014 version in 2013a version which is installed on the laptopTHD calculation using FFT tool and mathematicallyIn Online Matlab under App menu, Signal Analyzer not working
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