# Bora Eryilmaz

### MathWorks

Last seen: 9 dagar ago Active since 2011

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Normalisation for extraction of spectral features and pump data for predictive maintenance purposes
There is a set of commands in the Signal Processing Toolbox and the Predictive Maintenance Toolbox for handling time-domain and ...

14 dagar ago | 1

How to conversion of Acceleration FFT to Velocity?
The new convertVibration function in MATLAB R2024a release of the Predictive Maintenance Toolbox lets you compute baseline-corre...

How to convert accelerometer data to find displacement graph
The new convertVibration function in MATLAB R2024a release of the Predictive Maintenance Toolbox lets you compute baseline-corre...

Problem with convert acceleration to velocity and displacement
The new convertVibration function in MATLAB R2024a release of the Predictive Maintenance Toolbox lets you compute baseline-corre...

Is there anyway to convert vibration acceleration data into velocity ?
The new convertVibration function in MATLAB R2024a release of the Predictive Maintenance Toolbox lets you compute baseline-corre...

How to graph the basic reproduction number R0 against two parameters on a 3D plot with planes?
The equations and plots in the article look inconsistent. For example, Eq. 3.21 seems to be missing a 1/mu term when they replac...

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Yes, as long as you start MATLAB from a shortcut icon on your desktop, you can set the "Initial Working Folder" setting in the P...

ungefär ett år ago | 0

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Bandpass Filter Command Question
You need to use brackets, not parentheses: y = rand(200,1); Fs = 100; % Sampling rate, e.g., 100 Hz d = bandpass(y, [1,30], F...

ungefär ett år ago | 0

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Is there a function like movsum which simply gets the values in a given sliding window rather than summing them?
If you have access to the Predictive Maintenance Toolbox, you can use the phaseSpaceReconstruction command: x = [1 2 3 4 5 6 7 ...

ungefär ett år ago | 0

how to print datetime in fprintf
You can convert datenum data to datetime data and set its format to the one you desire: d = datenum(2023, 4, 13); dt = datetim...

ungefär ett år ago | 0

Error Brace indexing is not supported
Your imageFileNames variable is not a cell array, so you cannot use brace indexing with it. It is a long char array with words s...

ungefär ett år ago | 0

Plotting x-axis time in dd hh mm ss format
You can use the datetime data type for the x-axis values and adjust the date/time format as you like: now = datetime; x = now ...

ungefär ett år ago | 0

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Matlab get transfer function from Simulink
Yes. It is called linearization. If you have access to the Control System Toolbox and/or Simulink Control Design, you can use li...

ungefär ett år ago | 0

Stepinfo for time delayed systems
s = tf('s'); G = (1/(s+1))*exp(-2*s) % Step response information step(G) stepinfo(G) % Time delay of the system G.Inpu...

ungefär ett år ago | 1

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The lyapunovExponent function in the Predictive Maintenance Toolbox gives incorrect result when the input signal has angular frequency a multiple of \pi
When the signal is periodic, with no noise, the nearest neighbor of each data point in the signal on the phase plane will be ess...

ungefär ett år ago | 1

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Matlab built-in function not identified
coefTest is not a "function". It is a "method" of the LinearModel object/class. So, in order to call it, you need to create a li...

mer än ett år ago | 0

I am confused about why my code doesn't lead to a fitting result.
If you print out the exception inside the catch block, it will tell you what the error is. catch ME ME fprintf('...

mer än ett år ago | 1

Argument to dynamic structure reference must evaluate to a valid field name Error occurs when using properties
Looks like you might be trying to access the content of RTD before populating its cells with the right table content first. % T...

mer än ett år ago | 0

How do I know the length from the center of the object to the vertical axis edge and the horizontal axis edge?
You can do something along these lines, where the location of the centroids seems like what you want: I = imread('image.jpeg');...

mer än ett år ago | 0

How can I save figures when created in a loop?
Use the saveas command to store the figure in a folder. If the folder is not there, you can use the mkdir command to create the ...

mer än ett år ago | 0

Create non-visible message dialog box
One option is to not create all four dialog at once. Just create the dialog that needs to be visible at the time and store its h...

mer än ett år ago | 0

How to clear workspace from a function?
Functions do not keep their variables across calls to them unless a variable is specifically defined in the function using the "...

mer än ett år ago | 1

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Comparing two curve fits (using AIC?)
The lsqcurvefit returns the residual norm of the fit. The model that has the least residual norm would be the "best" one by this...

mer än ett år ago | 0

Multiply structure by a constant
You have to cycle through the individual fields of the structure: s = struct('a', [1 2 3 4], 'b', -1) for f = fieldnames(s)' ...

mer än ett år ago | 0

Plotting date and time
tdata = { ... '04/07/2022 18:00', ... '05/08/2022 19:30', ... '06/08/2022 11:30' }; ydata = [10, 20, 15]...

mer än ett år ago | 0

closest value to zero excluding the first one?
load('var.mat') [~,I] = sort(abs(dis_y), 'ascend'); % Closest value to 0: dis_y(I(1)) % Second closest value to 0: dis_...

mer än ett år ago | 0

I am getting the message "execution of script matlabtb as a function not supported"
See the note in the documentation page: https://www.mathworks.com/help/hdlverifier/ref/matlabtb.html "Enter this command in the...

mer än ett år ago | 0

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How to arrange input fields straight below each other using inputsdlg?
You won't get perfect alignment, but you can pad the prompt strings with empty spaces: prompt = {... 'ParticipantID'; ... ...

mer än ett år ago | 0

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