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GLOBAL VARIABLE :HOW USE IT?
Please do not ever use global variables. Use the approach described in Passing Extra Parameters instead.

etwa 3 Jahre vor | 2

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how to find average curve of n curves? n=3 in this case
This is a bit more involved than it first appears. Getting the data from the .fig file is straightforward, however it then ge...

etwa 3 Jahre vor | 0

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How to let Matlab divide my data on time interval [0 400] into multiple time intervals in one plot [0 30] [30 60] etc.
If you have the Signal Processing Toolbox, use the buffer function and a loop — Fs = 259/50; Tlen = 380; t = linspace(0, Tle...

etwa 3 Jahre vor | 0

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Error using extractAfter Numeric value exceeds the number of characters in element 1. What is wrong? How do I fix this?
You are making this much too difficult! If you want to remove specific variables, first use readmatrix (introduced in R2013b)...

etwa 3 Jahre vor | 1

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Hi everyone...I am getting transient peak in the signal from 0 to 6000 hz in the sound pressure level plot. Can anyone suggest me how to remove it?
If you are referring to the series of ‘spikes’, the easiest way would be to use findpeaks to define the spikes and the frequenci...

etwa 3 Jahre vor | 0

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What is diff. b/w fft and pspectrum command in Matlab?
If you only want to plot the magnitude spectrum, use the fft function. The differences between the various functions are sign...

etwa 3 Jahre vor | 1

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Process .dat file, plot, scale, and put back into similar format
It would help to have the file rather than an image. I would do something like this: fidi = fopen('Hled.dat','rt'); C = te...

etwa 3 Jahre vor | 0

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How to shade the area between two lines (constructed by large number of data points)
It works the same way with data points as with functions — x = linspace(0, 10, 50).'; % Assume Column Vec...

etwa 3 Jahre vor | 0

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three order complex coefficient polynomial root matlab
There are at least two options — z = complex(randn(3,1), randn(3,1)) r = roots([28; z]) syms x p = 28*x.^3 + z(1,:)*x.^2...

etwa 3 Jahre vor | 1

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lowpass filter function doesn't filter out data
The ‘NoisySignal’ has broadband noise, so a frequency-selective filter can eliminate some of the noise, however not all of it. ...

etwa 3 Jahre vor | 1

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Plotting arrays with different sizes
Transpose ‘gamma’ to create a family of curves — gamma = [1, 1.2, 1.4, 1.6, 1.8, 2]; x = [0:0.01:2000]; b = 349.22567; y = ...

etwa 3 Jahre vor | 0

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fitline not displaying correct x values datetime
You probably need to do centreing and scaling with your data, then use datetick to display the dates correctrly — dates = date...

etwa 3 Jahre vor | 0

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MatLab Multiple graphs in one axis
The easiest option is to use the hold function. Put the different ‘x’ and ‘y’ vectors in one matrix, then plot them x = (9:0.2...

etwa 3 Jahre vor | 0

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2d line plot
The patch documentation section on Create Multicolored Line offers one option. The problem with the data is that the temperat...

etwa 3 Jahre vor | 0

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Detecting Certain Parts of a Specific Signal
Start with the findsignal function. It may be necessary to invert the tall peak to find the inverted version of it.

etwa 3 Jahre vor | 0

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Non-homogeneous frecuency in Matlab Mobile measurements
If you are referring to Android Sensors Data Acquisition , probably not. To create a regularly-sampled signal, it would be nece...

etwa 3 Jahre vor | 0

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Error bars centered at one bar in multi-bar plot
It would help to have your data matrices. Use XEndPoints and YEndPoints to specify the ends of the bars. y = rand(5,4); err...

etwa 3 Jahre vor | 2

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fillmissing function with makima method
Thje 'makima' method is likely best for filling NaN gaps in varying data. Yours appear to be relatively constant, other than fo...

etwa 3 Jahre vor | 0

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calculating the average of a column of a csv file with specified steps and saving it in a new csv file
This was a bit more involved than I thought it would be — T1 = readtable('Data_1min.csv', 'VariableNamingRule','preserve') ...

etwa 3 Jahre vor | 0

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3D plot in polar coordinates
This took a while to get working correctly, and takes about 500 seconds to run, so I will post the code here slthough not the pl...

etwa 3 Jahre vor | 0

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Need help to removing motion artifact from ECG signal
Try something like this — LD = load('test10_00wm.mat') type('ECG.m') % I was hoping Tha...

etwa 3 Jahre vor | 0

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reference a Mathworks Algorithm found in the forum
The URL of the particular post would be my choice. Right-click on the ‘chain’ (‘Link’ or ‘Hyperlink’) icon to copy it. For e...

etwa 3 Jahre vor | 1

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Deriving acceleration from velocity equation
The gradient function could be helpful. EDIT — (20 May 2023 at 12:46) If this is symbolic, of course, just take the deriva...

etwa 3 Jahre vor | 0

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Can't figure out these two errors, if someone can help I'll appreciate it
The problem is that the error message does not say what the particular error is. Reproducing that line with various definitions...

etwa 3 Jahre vor | 0

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Error using ellipord?
The code appears to work correctly when I run it (in R2023a), however I don’t have the signal so the load call throws an error. ...

etwa 3 Jahre vor | 0

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non-numerical answer for solving complex non-linear equation
You define all the variables numerically, however your code then declares them as symbolic. The easy solution is simply to pu...

etwa 3 Jahre vor | 0

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How do I exclude certain columns from rmmissing rmoutliers?
I would treat those as two separate operations. First, remove the missing data on the entire matrix, not only selectyed colum...

etwa 3 Jahre vor | 0

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Problem finding "valleys" in signal
I prefer using 'MinPeakProminence' instead of 'MinPeakHeight' since that is usually more robust. t = linspace(0, 10); y = 0....

etwa 3 Jahre vor | 0

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How to read this data with the headers text
If you have R2013b or later, use readtable. It behaviour has changed a bit over the years, however it should still work with ...

etwa 3 Jahre vor | 0

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Problem with direct calculation on table with std and "omitnan"
Prehaps varfun? Example — load patients T = table(Age,Height,Weight,Systolic,Diastolic) S = varfun(@(x)std(x,'omitnan'...

etwa 3 Jahre vor | 0

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