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Jonas


Last seen: Today |  Active since 2020

Programming Languages:
C++, Java, MATLAB
Spoken Languages:
English, French, German

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Answered
what (:, :, :) syntax does?
u=round(ginput(2)); gets two points with rounded x and y values. the values are stored as [x1 y1; x2 y2] it follows that...

1 día ago | 0

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Question


Is there an easy way to remove points from a signal which can be restored by interpolation
Dear community, I gues there is already a solutio nout there, but I am not finding the right key wordsw to google it myself: I...

1 día ago | 0 answers | 0

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answers

Answered
How to create random matrix with specified step in interval [a, b]
generate a matrix with random integer values using randi. The spacing will be 1, you can then multiply the values by 3 to get sp...

3 días ago | 0

Answered
Create a new column in the table with conditional values ​​of 1 or 0
you could use LLT.newVar=LLT{:,6}<=5 or LLT.newVar=LLT.Odstub_s_<=5; but i cannot see the whole variable name ...

4 días ago | 0

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Question


Matlab system command produces output on matlab command line
Dear community, I am using Matlab's system() command to call an external Program (Praat) to run a (Praat) script. I didn't want...

7 días ago | 0 answers | 0

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Answered
How to write 10^(-6) in xlabel?
you need { } around an exponent which is more than one character e g. xlabel('$\times 10^{-6}$','Interpreter','latex')

8 días ago | 0

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Answered
find the delay between two signals
use xcorr(sig1,sig2), and use the max value of xcorr. the corresponding delay can be found at the corresponding value in the lag...

12 días ago | 1

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Answered
plotting title with multiple strings on one line
this works for me title("abc\_def.h5" + " and " + "ghi\_jkl.h5"); a concatenated string in one line

12 días ago | 0

Answered
How to rename a flash drive using matlab?
this is possible via windows command line. You can access the windows command line via matlab using the system() command sy...

14 días ago | 1

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Answered
Hi, can you show me how I could Extract the third and fourth elements of the cell array M?
how do you count in the matrix? M{[3 4]} gives you the content of cell 3 and 4

16 días ago | 0

Answered
How to remove duplicate x-values and rearrange the y-values?
use yourMat=[ [4; 1; 1; 2; 3; 3; 5; 10 ], rand(8,4)]; [~,index]=unique(yourMat(:,1),'stable'); % get unique values from the fi...

17 días ago | 0

Answered
How do I extract data from a uicontrol edit field within an app?
does this work better for you: d = dialog('Position',[710 390 500 225],'Name','Team Name'); global team; team=''; txt = ...

17 días ago | 0

Answered
Why atteunation of the cut-off frequency is 6dB in MATLAB filter Designer
sounds like you have a filter ehich has a attenuation slope of 6dB/octave (doubling of frequency). Assuming you want to keep the...

18 días ago | 0

Answered
mirroring a magnitude response of a filter from -1 to 1
use plot([-w(end:-1:2) w],abs([h1(end:-1:2); h1])) i mirror only down to index 2 because index 1 is the 0 Hz component, ...

18 días ago | 1

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Answered
Running into error when using pwelch for FFT
[ sensor_spectrum, freq] = pwelch(samples,w,NOVERLAP,NFFT,Fs); should be [sensor_spectrum, freq] = pwelch(snips,w,N...

18 días ago | 0

Answered
Need help with generating an echo for an Audio signal
just append zeros to the original signal, prepend the same amount to a copy of your original to generate the echo and add them u...

18 días ago | 0

Answered
Problem Creating Structure Field with For Loop
struct are indexed with round brackets, after that use {} if the structure field file_name_string shall be a cell for j = 1...

18 días ago | 0

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Answered
How can I know y value after smoothing data function?
you can use feval() to evaluate your fitobject called 'smoothed' in your case. see also https://de.mathworks.com/help/curve...

19 días ago | 0

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Answered
Vertical Alignment error in textbox
you forgot the , (the comma) behind 'none' then the code works for me

19 días ago | 0

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Answered
Plot different Y values for certain range of X
you can just calculate the values before plotting Y(X>=5 & X<=10)=Y(X>=5 & X<=10)+20;

19 días ago | 0

Answered
How to specify frequency range in new cwt function?
to specifythe frequency range use cwt(yourSignal,signalFs,'FrequencyLimits',[10 100]*10^3) however, you cannot specify t...

19 días ago | 0

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Answered
How do I hyphen a word using LaTex?
as far as I am aware, there is no automatic hyphenation in the labels, if you want to break the label, use e.g. xlabel({'m...

19 días ago | 0

Answered
How to find the product of only some of the elements in a vector or matrix in MATLAB
are you looking for prod(yourVector(120:160))

22 días ago | 0

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Answered
Showing legend even if data is not there
I am not 100% sure what you want to do: if I understood correctly, you want to display a legend also for data which was not plot...

22 días ago | 1

Question


Scientific comparison of type of sums square error (type I, II, III)
dear community, does someone have a paper (or at least a book) to her/his hands, which disusses the types of sum square error (...

22 días ago | 0 answers | 0

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Answered
Fourier transformation of a file is shifting the data to the left.
without having matlab available right now, you created your t with a sampling frequency with 1000 samples per second, in the ana...

22 días ago | 1

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Answered
Array indices must be positive integers or logical values. Midpoint Method help
matlab's indexing starts with 1 and not with 0, the first element of y is y(1). maybe you wanted to write y(t==0)=0, which is th...

22 días ago | 0

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Answered
How to access images(like Image1,Image2...)from a folder and pass through a code in Matlab?
the path creation is a mixture of multiple principles, one possibility is imread(['C:\Users\User\Desktop\FinalProject\Image...

22 días ago | 1

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Answered
Error plotting the spectrum with using user fucntion definition (Error using matlab.graphics.axis.Axes/set Invalid parameter/value pair argument)
the problem is the part set(axes1,'ContextMenu'), which is not a valid Name-Value pair, leave out 'ContextMenu', since it appea...

23 días ago | 1

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Answered
How to disable uicontrol 'mouseless' interaction
for better visiblity here the last state of our discussion. thanks @Jan! long question, short answer: the java objects have a...

23 días ago | 0

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