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Finding length of time in between peaks.
I already addressed this in my Answer to your previous question on exactly the same topic. If you are having problems with it...

12 días hace | 0

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whats wrong with this code?
It works here. How are you calling your ‘aero_drag’ function? dens = rand v = rand A = randn(1,5) drag = aero_drag(de...

12 días hace | 1

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usage of ode45
imshow(imread('WhatsApp Image...16.45 PM.jpeg')) syms M(t) I_1(t) I_2 V(t) t g mu A Y T Eq1 = diff(M) == -g*V*A Eq2 = diff(...

12 días hace | 0

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Identifying PTT of ECG and PPG signals
Without your data, it is going to be nearly impossible to suggest an approach to this. Also, without your data, it is impossibl...

13 días hace | 0

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Matlab fft plot axes
This would be my approach — Fs = 1000; Fn = Fs/2; L = 60; t = linspace(0, Fs*L, Fs*L+1).'/Fs; ...

13 días hace | 0

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Omit nans from data set when calculating weights
Since NaN values are considered to be ‘missing’, to remove them from a specific vector (or matrix), you can use the rmmissing fu...

13 días hace | 1

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Can anyone explain the difference in results for rainpl function between R2016b and R2021a?
The earliest available online information on rainpl is R2019a, so any changes between R2016b and R2019a are unavailable. (I don...

13 días hace | 0

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how to plot time and frequency domain by using FFT from CSV file?
Try this — A = readmatrix('FILE060.CSV'); Asz = size(A) t = A(:,1); s = A(:,2:end-1); figure plot(t, s) grid xlim([m...

14 días hace | 0

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Delete rows in a given array based on values in another array
Perhaps this — A = randi(99, 50, 1); Abfr = buffer(A,10) % Show Everything In 'A' B = randi(99, ...

14 días hace | 0

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How to move the position of 2D projection of a 3D plot along the Z axis of the same figure?
Use surfc instead of surf, and then make appropriate changes to 'ZLocation' and 'FaceColor' in the contour part of the plot. ...

14 días hace | 0

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Error using sym/matlabFunction>getOptions "Invalid Values"
As noted, the right-hand-side of ‘ode’ is 0, and that is not actually a differential equation. The left-hand-side is. The mi...

14 días hace | 0

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an ode with arguements
You have five differential equations and three initial conditions. The initial conditions vector must have the same length a...

15 días hace | 0

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Identify point in signal where it moves away from zero
Your signals are difficult to work with. That there are several together makes this more challenging than it might otherwise ...

15 días hace | 0

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bar of mean of last 3 entries for 2 data sets
It would help to have your data. Perhaps something like this — Data1 = randn(30) + randn(30,1); Data2 = randn(30) + randn(...

16 días hace | 0

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How to display a 150x150x150 matrix?
There are too many to plot here, so I only plot every 10 (of 150). Try this — Uz = unzip('microint0.mat.zip'); LD = load(U...

16 días hace | 0

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Combining multiple rows from one matrix to another matrix
Use the reshape function — P=[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 ...

16 días hace | 0

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How do I fix the error "Execution of script interp2 as a function is not supported"?
You have a script that you named ‘interp2’ and that is throwing the error. The solution is to re-name the script to something...

17 días hace | 0

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Make a surface plot
Creating surface plots from your data is straightforward using the scatteredInterpolant function. Once the ‘Cm’ matrix is creat...

17 días hace | 0

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plotting data with different dimension in a 2d line plot
It would help to know what the (1x30) vector has in it, and how it was created. One option is to reshape it so that it fits w...

18 días hace | 0

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is there a way to make the 0 x and y axis bold?
To make only the tick labels bold, use the FontWeight property in the NumericRuler Properties Ax = gca; Ax.XAxis.FontWeight =...

18 días hace | 0

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Interpolating from one grid to another
It appears that ‘Temp1’ seems to not have made it to the save function argument llist. This interpolates ‘Temp2’ to the (X1,...

19 días hace | 0

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Plotting surface charts when z is not a function of x or y
It would help to have the spreadsheet. The data can be extracted from it using either table or matrix indexing, once it is i...

19 días hace | 0

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Fit gaussian to X-Y data (one X column, multiple Y column), for each Y column from an excel file.
One approach — T1 = readtable('X-Y_gauss_matlab.xlsx') figure plot(T1{:,1}, T1{:,2:end}) grid gausfit = @(b,x) b(1) .*...

19 días hace | 0

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how can I delete some rows from a matrix
This creates a new matrix with only the odd rows from the original matrix — A = randi(9, 10,3) Anew = A(1:2:end,:) See the d...

19 días hace | 0

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Why are all of my axes flipped in this figure?
Without your data I cannot run your code. The documentation states that the roll, pitch, and yaw angles have to be in degrees...

20 días hace | 0

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Cannot read .xslx file
The R2024a version of readtable has no problems with it. Does this seem to be correct? T1 = readtable('Agora_I_4985.xlsx', '...

21 días hace | 0

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Plotting an Inverse Laplace Function
If you have the Control System Toolbox — % (s + 100000) 147573952589676412928 14757395258967641292800000 % ----------------...

21 días hace | 0

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Interpolate line data to grid matlab
Use the interp1 function — x = [0.0 5.0]; y = [1.0 3.8]; figure plot(x, y) grid hold on Ax = gca; xtix = Ax.XTick ...

21 días hace | 0

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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 días hace | 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 días hace | 0