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Why does Simulink step response simulation not match step function output from MATLAB?
It appears to have the same gain as your Matlab step response. The steady state response appears to be about 0.62 for a unit st...

1 year 前 | 1

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How do I select a file to open from folder rather than typing in the csv file name into the code?
Check the documentation on uigetfile which will return the filename and, if you use the two output version, the path to the file...

1 year 前 | 1

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已回答
smoothing datasets containg nan
Interestingly, the default window size for the 'sgolay' smoothing method in the smoothdata function generates smoothed data that...

1 year 前 | 0

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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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'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