EMD giving me error: "ERROR : number of arguments should be as 5"

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Larissa Perez
Larissa Perez 2020-3-13
编辑： Wenkang 2020-9-16
I am using Matlab 2018b.
I have a variable b2f with is a time-series. Its size is 1x7200. I am trying to use EMD as:
[imf,residual,info] = emd(b2f);
But I am getting the following error message: "ERROR : number of arguments should be as 5". I have Googled it already but I can't find out what the issue is. Does anyone know what I'm doing wrong?
Thanks!

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采纳的回答

Harsha Priya Daggubati
Hi,
The input argument to 'emd' method should be uniformly sampled time-domain signal, specified as either a vector or single data column timetable. I guess the issue might be with the class of b2f variable as you mentioned it is a time-series object.
Hope this helps!
  1 个评论
Wenkang
Wenkang 2020-9-16
编辑：Wenkang 2020-9-16
I tried to run the demo code and it also failed.
>> load('sinusoidalSignalExampleData.mat','X','fs');
t = (0:length(X)-1)/fs;
plot(t,X);
xlabel('Time(s)');
>> [imf,residual,info] = emd(X,'Interpolation','pchip');
Error using emd
ERROR : number of arguments should be as 5
my version is 9.4.0.813654 (R2018a)
This issue can be solved by copying the original emd.m file to another folder and rename it. Dont know why but it works.

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