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Last seen: meer dan 4 jaar ago |  Active since 2018

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bandpass butterworth filter cutoff frequencies
I am trying to create a band-pass butterworth filter from 0.4 to 5 Hz... Here is my code: I am getting an error that the cutof...

meer dan 5 jaar ago | 1 answer | 0

1

answer

Question


Not enough input arguments
I am not understanding why I am getting this error. clear,clc load('DATA_01_TYPE01.mat') A = sig; x = A(2,1:1000)...

meer dan 5 jaar ago | 1 answer | 0

1

answer

Question


Band-Pass Filter using 2nd order butterworth filter then Normalize
%% clear,clc load('DATA_01_TYPE01.mat') A = sig; x = A(2,1:1000) %PPG channel y=A(3,1:1000); %x-axis accelerat...

meer dan 5 jaar ago | 1 answer | 0

1

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Help with an error occurring
close all clear all clc ...

meer dan 5 jaar ago | 4 answers | 0

4

answers

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How to rename an array inside an .mat file?
I have 8 separate files with an array in each. I am trying to import them but they all have the same array name. How do I change...

meer dan 5 jaar ago | 2 answers | 0

2

answers

Question


Need help with periodogram
I am trying to turn this plot into a periodogram and I am not sure where to start... From frequencies 0.4Hz to 5 Hz Code: c...

meer dan 5 jaar ago | 0 answers | 0

0

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Need help with butterworth function
I am trying to use the butterworth function and I can't seem to get it working. Here is my code: clear,clc load('DATA_0...

meer dan 5 jaar ago | 1 answer | 0

1

answer

Question


Having issues with plotting
I keep getting: error using plot vectors must be the same length Not sure what I am doing wrong I'm trying to plot this: th...

meer dan 5 jaar ago | 1 answer | 0

1

answer

Question


Extracting from a matrix
I have a 6 row 800 column matrix... How do I extract the data in row 2 only to the 600th column?

meer dan 5 jaar ago | 1 answer | 0

1

answer

Question


For Loop / Sum of Equation
Hi I am trying to figure the best way to write the sum of an equation from j=1 to j=100 and have the answers show up in the work...

bijna 6 jaar ago | 1 answer | 0

1

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