Jonas
C++, Java, MATLAB
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Accept 5 answers given by other contributors
Awarded to Jonas on 26 Apr 2022
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Content Feed
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...
3 days ago | 1
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
3 days ago | 0
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...
5 days ago | 1
| accepted
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
7 days ago | 0
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...
7 days ago | 0
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 = ...
7 days ago | 0
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...
8 days ago | 0
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, ...
9 days ago | 1
| accepted
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...
9 days ago | 0
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...
9 days ago | 0
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...
9 days ago | 0
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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...
9 days ago | 0
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Vertical Alignment error in textbox
you forgot the , (the comma) behind 'none' then the code works for me
9 days ago | 0
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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;
9 days ago | 0
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...
10 days ago | 0
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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...
10 days ago | 0
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))
12 days ago | 0
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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...
12 days 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 (...
12 days ago | 0 answers | 0
0
answersFourier 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...
12 days ago | 1
| accepted
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...
13 days ago | 0
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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...
13 days ago | 1
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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...
13 days ago | 1
| accepted
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...
13 days ago | 0
how can i get mean frequency in special rang?
use mean(M2(f>0.002 & f<0.55))
14 days ago | 0
Finding column index of the first instance of 1
use the find() function together with a loop over each row
14 days ago | 0
Surf plot and colorbar are overlapping
your colorbar c has also a Position property, read it once to get an idea if the current magnitude of numbers and change it in s...
14 days ago | 0
Question
Measuring the absolute deviation from a group median with median removal
dear community, I have multiple groups of numbers, each group has 3, 4 or 5 numbers. I want to analyze the absolute deviation o...
18 days ago | 0 answers | 0
0
answersError when opening property inspector in 2022a
from the comments: i tried also another figure and there the error persists (or persisted) what ever, after restarting matlab,...
19 days ago | 0
| accepted
Question
Error when opening property inspector in 2022a
dear community, when i open my property inspector from the menue of a figure, i get the following error Dot indexing is ...
19 days ago | 1 answer | 0
