what mistake I am making?

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Manav Divekar
Manav Divekar 2021-11-30
回答： Mathieu NOE 2021-11-30
I am trying to rectify emg signal from the given text file.
%%
% Fatigue Data
impFatigueA = importdata('Fatigue_A.txt');
impFatigueK = importdata('Fatigue_K.txt');
impFatigueZ = importdata('Fatigue_Z.txt');
%% Rectifcication of the Signal
impFatigueA3 = abs(impFatigueA);
impFatigueK3 = abs(impFatigueK);
impFatigueZ3 = abs(impFatigueZ);
errror i am getting
>> untitled
Check for incorrect argument data type or missing argument in call to function 'abs'.
Error in untitled (line 36)
impFatigueA3 = abs(impFatigueA);

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回答（1 个）

Mathieu NOE
Mathieu NOE 2021-11-30
hello
I simply tested the first data set
when you do : impFatigueA = importdata('Fatigue_A.txt');
impFatigueA is a structure (containers)
to access the numerical data you have to dive a bit deeper
data1 = impFatigueA.data;
then you can take the abs of your data - I don't know yet which of the 16 columns you want to take the abs of it

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