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How do I fit a curve ?
hello a cardioid equation may be the solution but I have serious doubts you can fit a polynomial for this shape as I am lazy...

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Plot only the outermost nodes
hello again I think I already answered this in your other post here again attached the new code

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How to standardize an array so that the maximum value is 1 and minimum is -1 keeping the zero value as zero?
hello this can only be accomplished if you accept that the positive and negative parts of your signal are normalized by a diff...

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I have multiple spread sheets with multiple sheets that I want to write an indexing data import function for
hello you can probably build your solution from this example I assume you want to concatenate the data from the 3 sheets ?...

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finding singular outliers in the presence of data with steep changes but not singular
hello this is my result so far it will not look at the data in the first and last 10% of the time vector so thefocus is on t...

mehr als 3 Jahre vor | 0

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Displaying multiple line plots with different y-values on same baseline
hello IMO, the simplest trick is to "normalize" your data by removing y(1) to each individual y array so that all lines start ...

mehr als 3 Jahre vor | 0

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How can I plot frequency vs magnitude of the scalogram?. The input file is the M*N matrix that is a scalogram. Any one help me by providing MATLAB code.
hello the spectrum is either the mean or the peak value along the x direction of S see code example below you can change ...

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Matlab mixed IIR Filter
hello try this this can be genralizd for a arbritary sequence of x1 / x2 signals NB that a sampling frequency of 100 Hz is ...

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Storing Variables in a loop to out put in a table
hello try this clearvars dt = 0.1;% t increment iter = 9; % iterations for ci = 1:iter time(ci,1) = 1+(ci-1)...

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I would like to use matlab to add information from a .dat file to existing MatLab variables
hello try this the text file used for my code is attached hope it helps filename = 'text.txt'; D=readlines(filename);...

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How to import odd and even rows from a more than one txt file ?
hello maybe this ? I wasn't sure when you say even / odd rows if we take the first line (x y z) into account or not so cho...

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My Spectrogram doesn't look right, and has negative values
hello stft : use option 'FrequencyRange','onesided' to have only positive frequencies (or use spectrogram) also y log scale...

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A figure created within a for loop is not plotted (only the last one is shown)
hello again so there was some figure calls still present in some functions (fun1, fun2 ,...) I cleaned that so you have only ...

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Importing Excel file data and creating variables with the imported data
hello work with tables or structures...(read doc / help sections if your are not familiar with them ) here a starter % Impo...

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How to delete text file some perticular lines using Matlab script
hello its' a bit confusing.... in other words you want to keep the lines that contain a certain variable name ? then try thi...

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How can I extract capital words from a string
hello this is one solution (for strings) . For char array it's almost the same (you don't even need to convert back from char ...

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Drop data from datatime by condition
hello try this this code will remove data that are contiguous and within given bounds (here 24 hrs min and 36 hours max) th...

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Remove matrix from cell array that doesn't fit required matrix size
hello this will remove the unwanted trailing data data =readtable('EURUSD=X.csv') [m,n] = size(data); k = floor(m/20)*20; ...

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plotting 12 graphs for different months
hello I tweaked a bit your code load data_matrix.mat data=SECTION_L; data(:,1:3)=[]; row=9; cleanup=data([1 2 3 row],:);...

mehr als 3 Jahre vor | 0

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nothing assing to my variable that is in if statement
hello you need to index x in the for loop for i = 1:length(x)/2 if x(i) < 0 % here y(:,i) = Gt_new(1) end e...

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plot some nodes from an .txt file
hello Alberto here you are ; use function boundary with shrink factor = 1 data = readmatrix('filename.txt'); x = data(:,1);...

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Matlab Audio Filter with changing Frequency
hello again so this is a variable coefficient IIR implementation I used a white noise as test signal, the output signal show...

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Easy question - How can I save this variable within the for loop?
hello If I understand correctly , n must be multiple of 10 and that's the only values of interest for A and B, no need to per...

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How can I group my data per hour in order to not over count my shipping data?
hello have to admit I am not super expert in timetables , but I managed to put some code together and test it i am not sur...

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Is there any matlab function to calculate moving mean square error?
hello I doubt that there is a code for that try this : (based on formula) : % dummy data n=300; x=linspace(0,2*pi,n)...

mehr als 3 Jahre vor | 0

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Linear envelope of an EMG signal
hello Ines there is no bug here , the plot is correct vs what matlab is supposed to do when you select 'rms' option, you can...

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Eliminating the noise from the raw data using median filter
hello again is it now smooth enough ? % Remove quiet parts of a signal. clc; close all; clear; workspace; format ...

mehr als 3 Jahre vor | 1

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How to interpolate/resample an irregular dataset into 1 step spacing?
hello Becky try this the second case means you ask interp1 to do extrapolation, as your original x data do not covers the en...

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How to simulate data from txt correctly?
hello I tried to reproduce your problem , but got the right output , not what you show... hope the attached files can help you...

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import a certain text file .txt from a specific folder
hello again for numerical arrays use readmatrix instead of importdata folder = 'C:\Users\Alberto\....'; % folder where the .t...

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