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How to calculate mean of standard deviation (mean deviation) in a table
The 'mean_rate' variable does not exist in ‘T’. Giving groupsummary the correct variable names (or at least variable names th...

etwa 3 Jahre vor | 0

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Relation or Pattern between curves
The plot appears to be incomplete. What do the curves look like between 0 (or whatever the minimum independent value is) and ...

etwa 3 Jahre vor | 1

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Automate the length of samples in the envelope function to get the optimal peak envelope from various signals
Consider first using either findpeaks or islocalmax with find, and then calculate the appropriate distances (using min, max, mea...

etwa 3 Jahre vor | 1

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Fitting real data curve to a homogeneous diff
I am not certain from your description what you want to do. However if you have the Signal Processing Toolbox, the resample fun...

etwa 3 Jahre vor | 1

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Trouble using Bode(sys)
You could have a path problem. Run these: restoredefaultpath rehash toolboxcache from a script or your Command Window to...

etwa 3 Jahre vor | 1

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solving 1D drift diffusion model for a semiconductor using FDTD. Can anyone rectify this error.
In the ‘Jp’ and ‘Jn’ calculations, the relevant ‘n’ vectors are (98x1) while ‘E’ is(99x1). That appears to be the problem. I...

etwa 3 Jahre vor | 0

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Why my code find a second intersection of curve with line and not the first?
See if the lines oif copde I added do what you want — %There are input constants cP=0.05; cN=0.05; cMg=0.005; logb0=2.88; ...

etwa 3 Jahre vor | 0

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read and convert binary file
It would help to have the file. That aside, the textscan function is likely the easiest way to read it — str = 'AA 08 00 00...

etwa 3 Jahre vor | 0

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I want to color for $\eta<1.054288$ by blue and red for, $\eta>1.054288$ of a curve from data
This is a bit more involved than it might otherwise seem, because simply using logical indexing to define the red line creates a...

etwa 3 Jahre vor | 0

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Find the row position corresponding to a value
I assume that ‘gyro_x’ and ‘gyro_y’ contain floating-point numbers, so that explains the error. Indexing into ‘gyro_x’ with ‘g...

etwa 3 Jahre vor | 0

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Peaks of a function
This is relatively straightforward — F1 = openfig('Plot.fig', 'visible'); Lines = findobj(F1, 'Type','Line'); t = Lines.XD...

etwa 3 Jahre vor | 0

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In 'tiledlayout' command, I want no spacing in x-direction only how to get that?
You can do it with subplot axes, however not with tiledlayout axes. To illustrate — figure tiledlayout(2,2) htl1 = nextti...

etwa 3 Jahre vor | 0

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How to 3d patch between 2 3d shapes (stl attached)
Use the zip function to zip the .stl file. Then (unless it’s greater than the 5 MB liimit), upload the .zip file. That probl...

etwa 3 Jahre vor | 0

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Calculate mean from for loop and plotting means for separate for loop
There was an out-of-order statement (‘T’), no subscripting of the ‘Avg_power’ vector, and the wrong independent variable argumen...

etwa 3 Jahre vor | 0

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Compute RMS value over 1-second intervals
Try this — movrms = @(A,k) sqrt(movmean(A.^2,k)); Fs = 1000; T = 10; t = linspace(0, T*Fs, T*Fs+1).'; s = randn(size(t))...

etwa 3 Jahre vor | 0

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Identifying errors in datetime input strings
If you already know the date fields for day, month, and year, one approach would be to use the eomday function to determine the ...

etwa 3 Jahre vor | 1

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Filtfilt returns NaN matrix
The transfer function implementation of the filter is unstable, however I cannot determine the reasson for the instability, alth...

etwa 3 Jahre vor | 0

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How to determine dates when aircraft moving northwards or southwards?
I am not certain that I understand what you want. This approach uses day differences to segment the data into individual ‘Fli...

etwa 3 Jahre vor | 0

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I get error when I try to plot sigmoid function
Subscript ‘dt’. However the loop is not necessary and does not appear to plot the desired function — M1(1)=0; t(1)=0; h=0.0...

etwa 3 Jahre vor | 0

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Bode diagram : Warning: Error occurred while evaluating listener callback.
Your code runs without error in R2023a. Perhaps an upgrade is in order — w_0 = 100; D = 10; K = 26.5; s = tf('s'); G = w...

etwa 3 Jahre vor | 0

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hello, kindly help, I am getting the following error why?: Error using bvp4c Unable to solve the collocation equations -- a singular Jacobian encountered. Error (line 7)
The initial conditions are both 0. Setting them to something else (here eps) solves the immediate problem, and using element-wi...

etwa 3 Jahre vor | 0

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trying to solve two non-linear simultaneous equations but I had an error figuring out my two unknowns (X(1) &x(2)) , can anyone pls help?
I cannot fun images of code, only code in text format. I can’t even see all of ‘F’. The problem is the choice of initial con...

etwa 3 Jahre vor | 0

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Read CSV into table but not all of the columns
Without at least an example of your .csv file it is difficult to determine that. One option (for both readtable and readmatrix)...

etwa 3 Jahre vor | 1

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from cell to datetime
Use 'eeee' for the full name of the day — a={'Monday, 03-Jul-2017 15:00:00'}; datetime(a,'InputFormat','eeee, dd-MMM-yyyy HH:...

etwa 3 Jahre vor | 1

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How to place tick-labels on the axis, essentially replacing the ticks with the labels?
Perhaps something like this — x = 5:5:25; y = randn(size(x)); figure plot(x, y) xt = xticks; xtl = xticklabels; text(x...

etwa 3 Jahre vor | 0

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How do I plot a phase plot for FFT and code time history for down-sampled signal?
Perhaps this — data = [0 0.829668000000000 0.00833300000000000 0.829801000000000 0.0166670000000000 0.82881000000000...

etwa 3 Jahre vor | 0

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Not enough input arguments
The ode45 call needs to be — [t,y] = ode54(@(t,y)assignment(t,y,u,d), tspan, ic) where ‘u’ and ‘d’ have previously been defin...

etwa 3 Jahre vor | 0

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How to output a cell array as a table where the arrays contain vectors of different length?
The cell2table function is an option — V1 = randn(5,1) V2 = randn(10,1) C = {V1 V2} T = cell2table(C) T{:,1}{:} T{:,2...

etwa 3 Jahre vor | 0

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I have a set of data that I need to separate into unequal intervals in order to calculate the RMS value of these data (The data points are continuous over time)
It is not obvious to me exactly what you want to calculate. This isolates the regions between the spikes (that I refer to as ‘s...

etwa 3 Jahre vor | 1

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How to find time step of video signal?
In the VideoReader documentation, see both FrameRate, and CurrentTime for each frame since the time steps may not be constant. ...

etwa 3 Jahre vor | 0

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