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How to auto save workspace variable with specific path and filename without Popup?
Have you tried using save? For example: d = 'Sunday'; y = 2017; filepath = 'E:\Matlab\'; filename = 'Data'; save(fullfile(f...

1 year 前 | 1

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已回答
'problemset4pt1' requires more input arguments to run
How are you calling the function? You can't just press the green Run triangle in the editor for a function that requires input ...

1 year 前 | 0

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how to convert absolute time to real time and calculate the sampling rate
load metaData_Depth fn = @(s) datetime(s.AbsTime); dt = arrayfun(fn, metaData_Depth) delta_t = seconds(diff(dt)) max(delta_t...

1 year 前 | 0

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Sublot function is not working
Rename "/MATLAB Drive/subplot.m" to some other name. If you issue this command at the command prompt you should only see one ou...

1 year 前 | 0

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How to plot the best fitted ellipse or circle?
xy = load("EllipseData.mat"); x = xy.x(:,1); y = xy.x(:,2); rho = sqrt(x.^2 + y.^2); theta = atan2(y,x);...

1 year 前 | 1

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how to smooth data
You aren't going to get very good smoothing with such a small amount of data, but here is one possibility (of many): data = [ ....

1 year 前 | 0

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Save text of script in .mat file?
I suppose that one option would be to read the file contents into a string array and save that to your mat file. For example: ...

1 year 前 | 1

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A compact way to replace zeros with Inf in a matrix
If you want to retain the non-zero elements of A and replace the zeros with Inf, then this is how I would suggest that you do th...

1 year 前 | 3

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Where has TODO/FIXME reports gone?
It has been moved to the menu you get when you click the Switch Windows button:

1 year 前 | 0

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Read data with repeat counts
Here is one approach. data_strings = ["750.013"; "2*748.943"; "2*748.221"] % sample input data iData = 1; for iStr = 1:numel(...

1 year 前 | 1

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day and month inverted in the time scaling
If you created your "time x array" by reading strings from a text file, for example, you need to specify the 'InputFormat' argum...

1 year 前 | 2

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Optimize live plotting with a large data set
You definitely don't want to call plot repeatedly inside your loop. Here is a suggested approach where I created the plot outsi...

1 year 前 | 0

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Problem 568. Number of 1s in a binary string
The find() function returns the index of all non-zero elements in the input. ASCII characters (like '0' and '1') are all non-ze...

1 year 前 | 0

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I have a problem with my code
You have the following important line in your code commented out (the definition of the solve_friction_factor() function). Unco...

1 year 前 | 0

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Matrix to Scalar Problem
t=0:3:60;%seconds Pos0=1;%position <<< Pos0 can't be zero since you divide by Wd*Pos0 when calculating alfa Vel0=0;%velocity ...

1 year 前 | 1

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How to increase the tolerance for comparing time points when synchronizing timetables?
Based on this section of the documentation: Synchronize Timetables to Arbitrary Time Vector N = 9; dt = .3; mkTime = @(t0) ...

1 year 前 | 0

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How to create plot from the data in .txt file ?
This should get you started. Note that the warnings are expected and can be ignored. T = readtable('Spatial Density.txt', 'Emp...

1 year 前 | 4

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How do you cluster lines in 3D space?
I would suggest something like this since the main difference in your "groups" seems to be the approximate slopes of the three g...

1 year 前 | 0

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Converting the outpur of a fit (e.g. sfit) into a string format, then pasting the text to a Text Area in app desginer
Another option (which does essentially the same thing) is this: load census; f = fit(cdate,pop,'poly2'); s = formattedDispl...

1 year 前 | 1

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Why is NaN inserted in wrong position?
b = [1 3 0;-2 -1 5]; b(b(:,3)==5,3) = NaN % add ,3 to select only the third column for assignment

1 year 前 | 1

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How I get the frequencies in Hz of a specific signal?
I think this is close to what you are looking for. % % This code will generate a saltatory stimulus of 10 Hz up to 800 Hrz (the...

1 year 前 | 1

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How to specify relative code paths in S-function builder
Have you tried the suggestion in this answer? https://www.mathworks.com/matlabcentral/answers/1568023-how-to-specify-relative-...

1 year 前 | 0

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How to calculate the average of a cell array?
T = {[10, 1, 30], [15, 2, 10], [20, 3, 20]} A = vertcat(T{:}) % make an array from the elements of the cell array by stacking t...

1 year 前 | 1

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errore too many output
You are trying to do this [norm_sp,f_vector]=fft(acc_z,fs(n)); If you look at the documentation for fft you will see that ther...

1 year 前 | 0

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Read in a general binary file (for example, but not exclusively a jpeg file), make a modification and write a new file out verbatim--no altered bytes.
fileread reads the file as text. You need to open the file and read it as binary bytes (uint8) and then process it that way. R...

1 year 前 | 0

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Having issues with plotting a single level contour line on a matrix that has edges
From your simple example, it can be seen that there actually are two places where the interpolated surface passes through the le...

1 year 前 | 1

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How to add rows containing zeros to a matrix
Here is another way. A = rand(2,6) A(4,6) = 0

1 year 前 | 0

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Plotcube function not working
There is a plotcube function on the file exchange: https://www.mathworks.com/matlabcentral/fileexchange/15161-plotcube?s_tid=sr...

1 year 前 | 0

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Keep the latest desired value before changing to undesired value
There might be a way to do this using just basic Simulink blocks, but I don't have Simulink right now to test with. So, I'm goi...

1 year 前 | 0

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Iterative Process to find a variable in which two equations are equal and opposite
I would use fminsearch for this. See below. Note that I am using abs(A - B) for the Error term. % minimize error between two ...

1 year 前 | 0