Not enough input arguments

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kiroro00
kiroro00 on 21 Nov 2021
Commented: Stephen on 21 Nov 2021
Hi, I've been trying to do a coding for FM Modulating Signal but when using the code below, I got a "not enough input arguments" error. Would really appreciate it if anybody could help. Thank you!
fs=100;
ts=1/fs;
fd=25;
t=(0:ts:0.5-ts)';
x=sin(2*pi*4*t);
MOD=comm.FMModulator('SampleRate',fs,'FrequencyDeviation',fd);
ym=step(MOD,x);
subplot(2,1,1);
plot(t,[x real (ym)]);
xlabel ('Time')
ylabel ('Amplitude')
title ('Modulated Signal')
the error :
Error using real
Not enough input arguments.
Error in lab4dm (line 11)
plot(t,[x real (ym)]);

Accepted Answer

the cyclist
the cyclist on 21 Nov 2021
You need
real(ym)
instead of
real (ym)
  2 Comments
Stephen
Stephen on 21 Nov 2021
"Didn't realize that the space could cause errors"
Because it means that you are using command syntax:

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