Answered
Zero Crossing Rate plotting
hello again this is an improved code - no inner for loop needed clear all; clc; close all; %% Read the input signal [y, fs] ...

22 jours ago | 1

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Answered
Zero Crossing Rate plotting
hello I am not aware of a function sgn in matlab , I believe this must be sign ? so this is modified and somehow I introduce...

22 jours ago | 0

Answered
FFT Based Order Tracking
hello I was not able to understand the second part of your code If the target was to compute the RPM value vs time , look her...

23 jours ago | 0

Answered
Steady state from data
hello Matthew see below : %Import data load('DCMotor_OL_Data_4.5V_A02.mat') % smoothin a bit the derivative theta_dot...

24 jours ago | 0

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Answered
How do I extract the firing threshold value from an action potential phase plot?
hello again.... so my second submission for you today ! attached also 2 subfunction for crossing points computation and a be...

24 jours ago | 0

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Answered
How do I set the threshold value on the action potential on the upward and downward slope to define width?
this is my first attempt to make it fully automatic based on this excellent submission (attached function) : Piecewise linea...

24 jours ago | 1

Answered
Exporting simulation data in Multiple sheets in excel file.
hello see example below : for k=1:10 xlswrite('Result.xlsx',rand(k),k); writematrix(rand(k),'myData.xlsx','Sheet'...

25 jours ago | 0

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Answered
Reading numerical data from text fles with string
hello my suggestion for the second part of your code , assuming you specify the lines to be read : n_lines = [10 11]; % defi...

25 jours ago | 0

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Answered
How to create siren sound using makesound
hello You have to remember that the output is the sinus of an angle, which is the integral of frequency over time; so when f...

25 jours ago | 0

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Answered
How to do discontinuous piecewise linear model fitting?
hello I combined : Piecewise linear least square fit - File Exchange - MATLAB Central (mathworks.com) and fminsearch to c...

26 jours ago | 0

Answered
FInding the breakpoint of a frequency spectra and its associated error
hello I combinde this Piecewise linear least square fit - File Exchange - MATLAB Central (mathworks.com) and fminsearch to ...

26 jours ago | 0

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Answered
How do I find specific values in a .txt file?
hello this code will extract the searched items and stote them in a table (taht you can save to excel if needed) hope it hel...

26 jours ago | 1

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Answered
Spliing text between characters
hello Ongun I created a small txt file containing these lines (as example) : "640. En selektif etkili antibiyotik...Penisilin...

26 jours ago | 0

Answered
Decrease a size of matrix using interpolation
hello demo with a simple for loop : % dummy data VectorTime = rand(5000,2); buffer = 64; % nb of samples for averaging ...

26 jours ago | 0

Answered
for loop and plotting 3 functions
hello mu suggestion below : for ci = 1:3 % nb of functions to be displayed if ci == 1 x=0:0.1:3; %first rang...

26 jours ago | 0

Answered
Summing columns of table
hello see doc Calculations on Tables - MATLAB & Simulink (mathworks.com) see example for taking mean values : Find the A...

28 jours ago | 0

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Answered
how to apply filter on .CSV data file
hello I assume you have a code to load the csv from there you have to do signal frequency (fft) analysis and then decide whic...

28 jours ago | 0

Answered
Match numbers with letters
hello this code does the trick : ascii_value = uint32(yourstring); % convert your char / string into corresponding ASCII val...

28 jours ago | 2

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Answered
Stuck in demodulation of AM
hello you should use a bandpass filter to remove the DC value of the rectified signal clear all; close all; Fs = 1000; dt...

29 jours ago | 1

Answered
creating a loop to input photos into the code
hello this code example reads all tif files in the current directory the for loop will open each individual file and do a few...

29 jours ago | 0

Answered
remove points in a figure that are close to 0 vertical line
hi as simple as this : X = [0 0.5 0.12 0.54 0.21 0.21 0.12 0.32 37 30 39 50 42]' Y = [134 423 352 212 545 234 184 563 323 12...

29 jours ago | 0

Answered
How to replace specific text in .csv file
hello would this work for you ? strArray = readlines('test.csv'); str = "NAN"; newString = '-9999'; newStr = strrep(strAr...

environ un mois ago | 0

Answered
How to do discretization with variable step size ?
as simple as this : dx0 = 1; dx1 = 2; x = [(1:dx0:10) (10+dx1:dx1:20)];

environ un mois ago | 0

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Answered
Remove some zeros from a cell
hello simple code below , replace zeros with NaN (example) load('Cell.mat') dd = cell2mat(Data_All_Repos); dd(dd<eps) = NaN ...

environ un mois ago | 0

Answered
Replace values on a column filtering with a value
hello something like that : %% some dummy data A = (1:10); In_Matrix =A'*A; %% main code %% Out_Matrix = In_Matrix; ...

environ un mois ago | 0

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Answered
How can I compute Trapezoidal numerical integration (Q = trapz(X,Y), while my X is a datetime-lalue vector?
hello see below , depends if integral must be done on seconds or minutes time stamps - you to choose ! T = readtable('vol...

environ un mois ago | 0

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Answered
How to fix this one? I use PI controller. please give a suggestion on this matter?
hello I put a simple regular PI and it works output (blue) tracks input (yellow) without too much delay (upper subplot) PI...

environ un mois ago | 0

Answered
Creating a Seismogram record section
hello arthur this is a modified code - check it out play with "a" factor to increase / decrease vertical offset between lines...

environ un mois ago | 0

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Answered
Text files data extract
hello this seems to work - even though there is maybe a better way to extract the numerical content from the table I tried wi...

environ un mois ago | 0

Answered
Export doubletimeseries dataset from MATLAB to Excel
so official answer below : ------------------------------------ hey , success !! here is it ! excel output in attachement,...

environ un mois ago | 0

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