Problem to install functions from signal-1.4.0.tar.gz

[Michel]

Hello,I am beginner for Octave. I use Win7.I am trying the resample.m
function and I received:>>
addpath("C:/Users/mrixain/Desktop/octave-4.2.1-w64/octave-4.2.1/share/octave/packages/signal-1.3.2")>>
resample(rand(1,8),2,4)warning: the 'upfirdn' function belongs to the signal
package from Octave Forgewhich seems to not be installed in your
system.Please read <http://www.octave.org/missing.html> to learn how you
cancontribute missing functionality.error: 'upfirdn' undefined near line 120
column 11error: called from    resample at line 120 column 9Something is
wrong!When downloading signal-1.4.0.tar.gz, what is the next step for
installation?C:\Users\michel\Desktop\octave-4.2.1-w64\octave-4.2.1\signal-1.4.0Regards,Michel



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