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Matlab Legend Function dose not work at all
There are no errors when I run your code — x = linspace(0,pi); y1 = cos(x); plot(x,y1) hold on y2 = cos(2*x); plot(x,y2)...

21 jours il y a | 0

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Symbolic solution is too long
I added the simplify calls and let this run for a while in MATLAB Online — clear clc tic syms t y1(t) y2(t) y3(t) y4(t)...

21 jours il y a | 0

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Displaying error bars on scatter plot (Bland-Altman plot)
We are missing ‘mean_diff’ and ‘std_diff’ . Using rand to correct for that for now. The errorbar plot needs 2 to 4 arguments...

21 jours il y a | 0

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I want to find two missing parameters in an ODE system of equations using regression/optimization in MATLAB
I do not completely understand your problem. If y9ou have values for all the variables as functions of time from the beginning ...

21 jours il y a | 0

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Peter H Charlton's Pulsewave Analyse and ppg-beat tools are not working well.
The best way to design a filter is to first calculate the Fourier transform of the signal, and then use that to design the frequ...

21 jours il y a | 1

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Create mean y values by multiple groups in one graph
Try this — T1 = array2table([1 2000 45 1 0 0 0 1 2001 56 1 0 0 0 1 2002 23 1 0 0 0 1 2003 56 1 0 0 ...

22 jours il y a | 0

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Why am I getting an error when running this R2024a example in R2023b?
The area function was introduced in R2024a, according to the documentation.

23 jours il y a | 0

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Add zero padding to fft
Let the fft function add it to the original time domain signal vector (it pads it at the end) by specifying the second argument ...

23 jours il y a | 0

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shifting of resonant frequency
I have no idea what ‘xlimit’ refers to, however the resample function could work.

23 jours il y a | 0

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How to draw a line in a bar chart in complete x area
The easiest option is to use the yline function — cat=categorical({'a','b','c'}) data = [37.6 24.5 14.6]'; errhigh = [2.1 ...

24 jours il y a | 0

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Help me determine why the Isolocalmax doesn't work after applying MinProminence.
You need to check the variable values. I cannot run this here (the Run feature is currently not working, at least for me, alt...

24 jours il y a | 0

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when using ode45 with the for loop, should I put the initial conditions inside or outside the for loop?
It is difficult to understand what your code does. If you are changing the parameters of the differential equations inside the ...

24 jours il y a | 0

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How to extract a for loop output after each iteration?
Perhaps — u(j,m,p,t) = ... ; in an appropriate place in the loop. This matrix could be huge and difficult to deal with. ...

26 jours il y a | 1

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Creating three shaded regions in a loglog plot
Perhaps something like this — R = 8.31; N = 6.022e23; Dia_air = 3.5e-10; P = 101325; Kn_1 = 0.1; Kn_2 = 10; Dia_al =...

27 jours il y a | 1

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How to display a symbolic formula without substitutions "where"?
@reincornator — I usually put this: sympref('AbbreviateOutput',false); just after the syms call in my code to prevent all the...

27 jours il y a | 1

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Make a surface (interpolated colors) plot with contour lines over it
You can use a surfc plot with tweks to the contour plot, and an appropriate view call — [X,Y,Z] = peaks(250); figure hs = ...

27 jours il y a | 0

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How to get x value for a given y value in a interp1 figure?
To get both of them — vv=[0.190934428093434,0.277000826121106,0.477820361464529,0.703789686451856,1,0.703789686451856,0.477820...

27 jours il y a | 1

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How can I use the Basic Fitting tool to create a trendline on different scatterplots within the same figure?
An easy way to do this is to use the lsline function. If you need the parameters of the line, they are relatively straightforwa...

27 jours il y a | 0

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How to smoothly interpolate signal data using another datasets timestepping
Yes. If you have the Signal Processing Toolbox, use the resample function. You can define the sampling frequency of the resamp...

27 jours il y a | 0

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EEG data preprocessing and filtering.
It seems to me that one or both filters are not designed correctly. The filtered result does not appear to be similar to the in...

27 jours il y a | 0

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My scatter plot points aren't showing up on my main line plot.
Perhaps something like this — [s2max,s2idx] = max(s2); [s3max,s3idx] = max(s3); figure hold on scatter(t(s2idx),s2max,'o...

28 jours il y a | 0

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Can not calculate coefficient Accurately
Only request the coefficients of ‘X2’ and then divide ‘EQ_01(2)’ by ‘X1’ — syms X1 X2 Disp = X1*(4*X2 - 4*X1 + 1) [EQ_01, T...

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Is there any example of Range-Speed Response Pattern in MATLAB or how can i crate one?
See the Phased Array System Toolbox documentation section on Range and Doppler Estimation and then choose the appropriate sectio...

28 jours il y a | 0

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Extracting certain set of points from a 3D plot
I would use the contour function for this. Example — [X,Y] = ndgrid(-3:0.1:3); f = @(x,y) exp(-(x.^2+y.^2*3)*0.75); Z = ...

29 jours il y a | 0

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Reduce the number of peaks from findpeaks command?
The findpeaks function has a number of name-value pair arguments that you can use. The two I use most often are 'MinPeakPromine...

environ un mois il y a | 0

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See if datetime is within range
I do not entirely understand what you want to do. One approach — D1 = {'3/25/2024 15:01:15' 1 '3/25/2024 15:01:31' 2...

environ un mois il y a | 0

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how to use multiple '%c' on each variable ?
Add ‘VariantFy’ as an argument to the function as ‘L28’ (or whatever you choose to call it): function writefile(C,L28) and ...

environ un mois il y a | 0

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Problem while attaining the coefficent of variable
You need to specify more terms in your coeffs call. The problem is that then the polynomial separates into two separate polynom...

environ un mois il y a | 0

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histogram on data graph
One option (if your data were a scatter plot) would be the scatterhist or scatterhistogram functions. Otherwise, perhaps some...

environ un mois il y a | 0

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Add a bar above a character in axis labels
Try this — figure ylabel('$\bar{c}$', 'Interpreter','latex') .

environ un mois il y a | 1

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