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Atik Faysal


Last seen: 22 days ago
6 total contributions since 2020

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Question


How to read excel files in chunk?
I do not want to load the whole excel file in the environment to save memory. I know in can be done with pandas in python. Any w...

29 days ago | 0 answers | 0

0

answers

Question


I am trying to save the image at an specific size.
Here is the code I am doing: [wt,f] = cwt(y,'amor',12000); h = figure(); t = 0:numel(y)-1; hp = pcolor(t,f,abs(wt)); hp.Edg...

2 months ago | 1 answer | 0

1

answer

Question


How to get only envelope spectrum plot, not the envelope signal
I am using envspectrum(signal,samplingFrequency); To get the envelope spectrum. I just need to plot the envelope spectrum. Ho...

4 months ago | 0 answers | 0

0

answers

Question


Can someone provide me the theory and math behind this function of eigen?
[V,D] = eig(A,B) returns diagonal matrix D of generalized eigenvalues and full matrix V whose columns are the corresponding rig...

5 months ago | 2 answers | 0

2

answers

Question


Doing while and for loop together
sum_Train={}; sum=0; for j=1:10 while j <= 10 for i=1:10 sum_Train{j,1} = sum+results{j,1}(i,i); end ...

11 months ago | 0 answers | 0

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answers

Question


I am using machine learning classfier to predict my test accuracy. The classfier uses hold out to take data in random. How to I get the train accuracy using the code?
%% -------------- Building Classifier ---------------------------- classification_model=fitcnb(data,'class_labels~PC1+PC2'); %...

11 months ago | 0 answers | 0

0

answers