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what kind of plot is useful for comparing two matrices?
I am not certain that there is any built-in functtion for this sort of problem. One approach — M1 = randn(5) M2 = M1 + ran...

fast 2 Jahre vor | 1

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How can I connect the upper endpoint of the red curve to the red dot while keeping the curvature nearly the same?
Here are options using pchip, makima and spline — clear all format long warning off figure set(0,'DefaultAxesFontSize',20...

fast 2 Jahre vor | 0

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error in ode45 - function must return a column vector
It would help to have ‘dirfield’ (whatever it is). The other problem is that with one differential equation, ‘y0’ has to have o...

fast 2 Jahre vor | 0

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How to convert displacment data in time series to frequency domain ie (from Amplitude (m) v/s time (s) to Amplitude (m) v/s Frequency (Hz)) using fourier transform
I wrote a utility function to do Fourier transforms. Try this — A1 = readmatrix('ellipse_r3.xlsx') figure plot(A1(:,1),...

fast 2 Jahre vor | 0

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How to interpolate data as stairs
You answered your own question — stairs. Note that you can get the (x,y) coordinates as outputs from the stairs function if you...

fast 2 Jahre vor | 0

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How to remove noise of low frequency signals
Calculate the fft of the green signal (if you do not already know its spectral qualities), then use it to define the cutoff freq...

fast 2 Jahre vor | 0

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How to detect the specific area from an oscilloscope signal
Perhaps something like this — jpgs = dir('*.jpg'); csvs = dir('*.csv'); for k = 1:numel(jpgs) figure imshow(imre...

fast 2 Jahre vor | 1

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Symbolic expression simplification and shortening
The expression is apparently incomplete. Working with what is provided — syms e e1 e2 h1 h2 h3 A B U = 108*A^2*e^7*e1^3*...

fast 2 Jahre vor | 0

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How do I check if there is a function with the same name
The which function can be helpful. which which -all If there are any others in your MATLAB search path, it should display th...

fast 2 Jahre vor | 2

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How to italicize a portion of a plot label while keeping the sans-serif font?
A lot of the LaTeX options do not work in MATLAB because many of the font options are not supported. That aside, use \it to b...

fast 2 Jahre vor | 0

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Peak coming at 50Hz in every data file. How to get rid of that
If you have the Signal Processing Toolbox, use the bandstop function: Fs = ...; ...

fast 2 Jahre vor | 0

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how can I find the intersect point of 1 plot and a yline ?
Use interp1 for this — x = [0 10 20 30 40 50 60 70 80 90]; y = [0 0.0328 0.2521 0.7975 1.7295 3.0213 4.5714 6.2283 7.819...

fast 2 Jahre vor | 1

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OBTENTION OF AN ABSORBANCE SPECTRA FROM AN IMAGE
Without some sort of calibration, what you want to do might not be possible, especially if the resolution is only integers on th...

fast 2 Jahre vor | 0

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Indexing of cell array and a vector
One approach — index = {[0], [0], [5], [0], [6, 7], [0], [0], [1], [0], [0], [0], [ 3]} ; data = [100, 10, 20, 15, 11, 25, 2...

fast 2 Jahre vor | 0

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how to choose windwo size in the EMG signal ?
I am not certain where you read it either, or the rationale for that particular window length calculation. I am not aware of ...

fast 2 Jahre vor | 0

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How can I read CDF file?
Without having the file to work with, writing specific code to work with it is not possible. Start with the cdfread function...

fast 2 Jahre vor | 0

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How to store users input in a file?
If you want to read the file, try something like this — % name = input('What is your name? ','s'); % age = input('How old are...

fast 2 Jahre vor | 0

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How do I fit a 3rd order polynomial Basis using fitrgp?
From the documentation, using a table as input: Each row of Tbl corresponds to one observation, and each column corresponds to...

fast 2 Jahre vor | 0

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Displaying Text on Paper
Without knowing more about this, one option would be to use the axis function to extend the axis limits. Then the text function...

fast 2 Jahre vor | 0

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How to use Matlab to generate a discrete uniformly distributed decimal with a value range of {0, 0.05} and a step size of 0.01?
Perhaps something like this — rv = randi([0 5], 1, 100)/100 figure histogram(rv, 5) grid .

fast 2 Jahre vor | 0

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User defined function for curve fitting, but the defined function is complicated
I thought it had something to do with scaling . That would depend on the magnitude of since it might be difficult to fit extre...

fast 2 Jahre vor | 0

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Creating ID using year and event number
Try this — load('sample.mat') whos('-file','sample.mat') sample count = cumsum([1; diff(sample.Var1) < 0]); ID = year(...

etwa 2 Jahre vor | 0

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Smoothing or special techniques to resolve uncertain peaks are required!!
If you want to make it smooth, there are a few options. One of course is to calculate the Fourier transform, choose a suitable ...

etwa 2 Jahre vor | 2

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How can I import 2D antenna radiation pattern into 2D cartesian coordinates environment?
I am not certain what you want or what your current data are. (I also do not have significant experience with the Antenna Toolb...

etwa 2 Jahre vor | 0

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Hello, How can I make the output timetable look similar in the photo, so it will 901*1 instead of 901*3
You can do that once, however if you write it and then read it, it will lose the original formatting. To illustrate — Time ...

etwa 2 Jahre vor | 0

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Data Organization in ECG Analysis: Separate Leads or Individual Signals
I am not certain what you want to do, or what question you are asking. In general, EKG data are analysed column-wise, with a t...

etwa 2 Jahre vor | 0

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Multiple Regression and Intercept
I see nothing wrong with the code, and it conforms to the example in the regress documentation. The only suggestion I have is...

etwa 2 Jahre vor | 1

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Plotting Cylinder Surface Using fill3
It is easier to use the surf function for this — % figure() % theta = 0:0.5:2*pi; theta = linspace(0, 2*pi, 11); xs = [cos(...

etwa 2 Jahre vor | 0

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Is the pvalue from an lmfit table derived from a two-sided or one-sided t-test?
For what it’s worth, when I updated my polyparci function, I used a default two-sided t-distribution to calculate the probabilit...

etwa 2 Jahre vor | 1

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I want to solve the equation in the picture and use ode45 to solve it, but after running for 5 hours there is still no result, I would like to ask if the program is written wrong or is there any optimization?
The system is ‘stiff’ probably because of the large variation in the magnitudes of the parameters. Using a stiff solver (ode1...

etwa 2 Jahre vor | 0

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