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Kris Fedorenko


MathWorks

23 total contributions since 2017

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  • Knowledgeable Level 2
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Answered
laggy issue of code editor in R2018b
There were instances of similar behavior in R2018b caused by the Magnet app. Turning it off should resolve the issue. Alternativ...

1 year ago | 6

Answered
R2018b / R2019a runs very slow on macOS 10.14
There were instances of similar behavior in R2018b caused by the Magnet app. Turning it off should resolve the issue. Alternativ...

1 year ago | 37

| accepted

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

1 year ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

1 year ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

1 year ago

Answered
VideoReader framerate is not matching total number of frames
I believe "FrameRate" is not guaranteed to be constant throughout the playback. This should give you a more accurate value: ...

2 years ago | 0

Answered
Find specific files based on sections of file name
Function dir with a wildcard (*) might be somewhat helpful. For example fstruct = dir('*_CAN_*.csv') would return a str...

2 years ago | 3

| accepted

Answered
[generated code] create figure function: missing input arguments
Hi Vuc, Here is a quick and dirty answer, I hope it helps. xdata1, ydata1, zdata1 in the createfigure1 function correspo...

2 years ago | 0

Answered
How do I import a complicated .txt file?
I would suggest copy-pasting each segment into a separate Excel file and using the "Text to Columns" functionality: <https://...

2 years ago | 0

Answered
Extract clusters info from dendrogram as a matrix
Hello Robert, I am unable to see the image, but sounds like you might find functions like <https://www.mathworks.com/help/...

2 years ago | 0

| accepted

Answered
convert for into parfor
Hi! If I understand your question correctly, you would like to parallelize working with each value from MyVariable, i.e. turn...

2 years ago | 1

Answered
evfit Gumbel parameters alteration for maxima distribution
Hi Chris! It depends on what you need the location parameter for. Keep in mind that Gumbel maximum distribution is basically ...

2 years ago | 2

Answered
help browser does not show figure
Hi Hiroyuki! It is possible the issue is caused by the html renderer used by MATLAB to view the Help browser. You can use t...

2 years ago | 1

| accepted

Answered
Curve fitting toolbox issue: custom equation produced imaginary part
Hi Methawi! I was not able to reproduce your error using the " <https://www.mathworks.com/help/curvefit/fit.html#bto2vuv-11 f...

2 years ago | 0

Answered
how to Add two arrays representing integers base B--Test+function?
Hi Ekram! Element-wise addition of two vectors (of the same length) can be achieved simply by using the " <https://www.mathwo...

2 years ago | 0

Answered
Mapping objects on a table onto MATLAB grid using HC-SR04 ultrasonic sensors with Arduino
Hi Ammar, If I understand your question correctly, you would like to be able to represent detected objects as a grid. I think...

2 years ago | 0

Answered
Surf with shading interp, not interpolating sometimes.
Hi! I believe the issue is with the NaN values. The shading interp command only dictates how the colors are shown for the exi...

2 years ago | 0

Answered
U-net for image segmentation
Hi Joseph, According to the documentation of u-net, you can download the ready trained network, the source code, the matlab...

2 years ago | 2

Answered
trying to convert IDL codes to MATLAB
As dpb said above, you can use a while loop instead of "goto", which does not exist in MATLAB. Here is one possible example of h...

2 years ago | 0

| accepted

Answered
error when trying to generate confusion matrix from a trained convolutional neural network
Hi Pierre! I think you might want to use " <https://www.mathworks.com/help/stats/confusionmat.html confusionmat> " instead, w...

2 years ago | 0

| accepted

Answered
hi, i am trying to plot my eeg dataset with and without filter.The plots which i got after applying butterworth filter is in an amplified form.i am attchng image (with filter) and code for plotting eeg(without filter).pls help me
Hi Nirmal! I do not have a lot of domain knowledge in this area, but based on the <https://www.mathworks.com/help/signal/re...

2 years ago | 0

Answered
how to apply Gaussian filter to imported data (two columns: x and y)
Hi Tian! I am not sure if I quite understood all of your question, but here is what I think you want to do: # import two c...

2 years ago | 1

Answered
How to make a matrix of data to put into gmdistribution from seperate sound files?
Hi Jonathan! You should be able to read in your audio files in MATLAB using "audioread". This will give you the audio data (m...

2 years ago | 0

| accepted