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# Von Duesenberg

64 total contributions since 2016

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Classification of overlapping classed
If you have the Statistics and Machine Learning Toolbox, the easiest way to get you started is to run several classifiers with t...

etwa ein Jahr ago | 0

how to copy layers and connections from an existing neural network?
Something along the lines (I had an exemple withe Alexnet, but the basic principle should be identical; here, I just resize the ...

etwa ein Jahr ago | 0

how to display the deep neural networks?
AFAIK, your options are either to use layerGraph, or the <https://fr.mathworks.com/help/nnet/ref/analyzenetwork.html analyzeNetw...

etwa ein Jahr ago | 0

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How to make image sequence from video or images?
A quick look tells me that Alpaca probably contains 55 grayscale images whereas img is a color image with 3 channels correspondi...

etwa ein Jahr ago | 0

Anyone help me please, How to use Classification Learner App to calculate accuracy rates on training set, and on test set??
It's all explained here: https://fr.mathworks.com/help/stats/export-classification-model-for-use-with-new-data.html Basically, ...

etwa ein Jahr ago | 0

colormap() not working in 2016b
I = imread('cameraman.tif'); imshow(I) colormap jet

etwa ein Jahr ago | 0

drum beat analysis using audio processing
It depends on how much annotated data you have. I would start with raw labeled waveforms and try to adapt the example from the d...

etwa ein Jahr ago | 0

How can i plot the graph of b versus a?
Is this what you had in mind? a=-pi:2*pi/30:pi; b=pi./a.^2; plot(b,a) %or plot(a,b)

etwa ein Jahr ago | 0

How do I compute the correlation between corresponding rows of two matrices?
arrayfun(@(k) corr(A(k,:)', B(k,:)'), 1:10000, 'Uni', 1)

etwa ein Jahr ago | 0

use sprintf with .wav files in for-loop
Or, assuming this is for the same piece of homework as yesterday, this can help you (although I hesitate to suggest it as an ans...

etwa ein Jahr ago | 1

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How to time-align correlated wav.files
This is homework so perhaps I can try to give you a couple of hints without providing you with the final solution. To import y...

etwa ein Jahr ago | 0

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counting the number of frequency in wav file
A possible workflow: %compute the envelope of y (your signal) %assuming it's mono, and adjust the second %parameter o...

etwa ein Jahr ago | 0

How to scale x-axis in MatLab?
Temp = [100,75,50,25,0,-25,-50,-65,-75,-85,-100,-125,-150,-175]; Impact_Energy = [89.3,88.6,87.6,85.4,82.9,78.9,73.1,66...

mehr als ein Jahr ago | 0

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How to read a txt table for selecting stimuli...?

mehr als ein Jahr ago | 0

How to place figure labels
Is this what you are trying to achieve ? : x = [ 1.3404 1.3404 1.5011; 2.1141 2.1141 2.1591; 2.4665 2.4...

mehr als ein Jahr ago | 0

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Descriptive stats in EEGlab
You can start with simple spectrograms and then move to coherence analysis, there's an example here if you have the wavelet tool...

mehr als ein Jahr ago | 0

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How can I create a nested loop ?
Here is a possible solution ; adapt it if it doesn't quite do what you had in mind : iMax = 5; jMax = 8; myArray = ze...

mehr als ein Jahr ago | 1

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i am using myrpi variable inside a while loop. i am gettng an error as undefine function or variable myrpi. code is " if isempty(bbox) disp('No one is Here turn off all connection')else disp('someone is here in the room')"Please help
I am not sure what the first clearvars is doing(the formatting of your code as it appears here probably lacks a number of end of...

mehr als ein Jahr ago | 1

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How to check whether all the elements are integer?
check = [1 1.5]; logical(~rem(check,1))

mehr als ein Jahr ago | 0

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How can I remove the borders from the bar plots ?
h = bar([4 5 6]); h.EdgeColor = 'none';

mehr als ein Jahr ago | 0

what should i do to make both images of same size
im = imread('kssk.jpg'); newIm = rgb2gray(imresize(im, [256, 256]));

mehr als ein Jahr ago | 0

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How do I produce an R value for the following data?
In your case, with a polynomial of degree 1, you are pretty much assessing to whant extent the relationship between your two var...

mehr als ein Jahr ago | 0

Trying to train a k-means clustering algorithm
Your numbers are much much bigger than those of the original example. So you should increase the step size between your min and ...

mehr als ein Jahr ago | 1

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could anyone help me to plot the graph with equal spacing of number with respect to x axis
xDat = [1,12,25,100,120]; dummyX = 1:length(xDat); yDat = randperm(length(xDat)); plot(dummyX, yDat, 'ko'); ax = g...

mehr als ein Jahr ago | 0

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Using mulitiselect in uigetfile to plot the selected files
Is this useful ? : [filename, pathname, ~] = uigetfile('*.txt', 'Select text files','MultiSelect', 'on'); if filename ~=...

mehr als ein Jahr ago | 0

Is there a function that will allow me to convert a Euclidean distance calculation for two vectors in a matrix to all the vectors in the matrix?
If I understand your question correctly, this should do the trick: mean(pdist(allData))

mehr als ein Jahr ago | 1

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How do I access the output images from this program.
Quick and dirty: imwrite(Img, [num2str(i) '.jpg'])

mehr als ein Jahr ago | 0

Can anyone suggest suitable code for detecting cardiac arrhythmia from ecg signals?
You might find this interesting: <https://fr.mathworks.com/matlabcentral/fileexchange/65286-heart-sound-classifier>

mehr als ein Jahr ago | 0

"Index exceeds matrix dimensions" in imwrite()
I just had a quick look but it seems to me that you're using "i" as an index in different (and nested) loops, so the values in n...

mehr als ein Jahr ago | 1

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