MATLAB: Can somebody please Explain why I got this Error by running this code using MATLAB

huffmandict coding

Hello People, I'm trying to run this using MAtlab and got this error "Undefined function 'huffmandict' for input arguments of type 'double'". Can sb tell or explain me why this error and what can I do to solve this problem???
symbols = [1:5]; p = [.3 .3 .2 .1 .1]; [dict,avglen] = huffmandict(symbols,p) samplecode = dict{5,2} % Codeword for fifth signal value
"Undefined function 'huffmandict' for input arguments of type 'double'"

Best Answer

  • Do you have the Communication Toolbx on your system? Try
    >> which huffmandict
    >> ver comm
    I get these responses
    >> which huffmandict
    C:\Program Files\MATLAB\R2012a\toolbox\comm\comm\huffmandict.m
    >> ver comm
    -------------------------------------------------------------------------------------
    MATLAB Version: 7.14.0.739 (R2012a)
    MATLAB License Number: xxxxxx
    Operating System: Microsoft Windows 7 Version 6.1 (Build 7601: Service Pack 1)
    Java Version: Java 1.6.0_17-b04 with Sun Microsystems Inc. Java HotSpot(TM) 64-Bit Server VM mixed mode
    --------------------------------------------------------------------------------------
    Communications System Toolbox Version 5.2 (R2012a)
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