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**Content Feed**

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...

5 years 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 ...

5 years 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...

5 years ago | 3

| accepted

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...

5 years 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, ...

5 years ago | 0

| accepted

colormap() not working in 2016b

I = imread('cameraman.tif'); imshow(I) colormap jet

5 years 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...

6 years 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)

6 years 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)

6 years 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...

6 years ago | 1

| accepted

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...

6 years ago | 0

| accepted

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...

6 years 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...

6 years ago | 0

| accepted

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

myTable = readtable('studylist4.txt');

6 years 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...

6 years ago | 0

| accepted

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...

6 years ago | 0

| accepted

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...

6 years ago | 4

| accepted

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...

6 years ago | 1

| accepted

How to check whether all the elements are integer?

check = [1 1.5]; logical(~rem(check,1))

6 years ago | 0

| accepted

How can I remove the borders from the bar plots ?

h = bar([4 5 6]); h.EdgeColor = 'none';

6 years ago | 0

what should i do to make both images of same size

im = imread('kssk.jpg'); newIm = rgb2gray(imresize(im, [256, 256]));

6 years ago | 1

| accepted

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...

6 years 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 ...

6 years ago | 1

| accepted

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...

6 years ago | 1

| accepted

Using mulitiselect in uigetfile to plot the selected files

Is this useful ? : [filename, pathname, ~] = uigetfile('*.txt', 'Select text files','MultiSelect', 'on'); if filename ~=...

6 years 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))

6 years ago | 1

| accepted

How do I access the output images from this program.

Quick and dirty: imwrite(Img, [num2str(i) '.jpg'])

6 years 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>

6 years 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...

6 years ago | 1

| accepted

can I obtain the values of a plot in tabular form

It depends on the kind of plot you have, but the following example should put you on the right track: plot(1:10,[1 2 1 2 3 ...

6 years ago | 0