Community Profile # Ezz El-din Abdullah

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How can I take values directly from MATLAB over serial communication?

meer dan 3 jaar ago | 0

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Question

How can I take values directly from MATLAB over serial communication?
I'm implementing the code in this <https://www.mathworks.com/matlabcentral/fileexchange/64709-matlab-and-arduino-serial-communic...

meer dan 3 jaar ago | 1 answer | 0

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How can I make sure that all rows of a matrix are unique?

meer dan 3 jaar ago | 0

| accepted

Question

How can I make sure that all rows of a matrix are unique?
I have *X* which is a matrix that I want to delete all rows that are similar to make sure that all rows are unique. Is there ...

meer dan 3 jaar ago | 1 answer | 0

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How can I create a random vector with at most 1 in it?
I tried to make a random vector of 0's and 1's like the code below: v = round(rand(1,n)) % where n is the dimension of the ...

meer dan 3 jaar ago | 1 answer | 0

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How can I test PCR model?
I'm new to modeling principle component regression. I used MATLAB documentation to see an example on how to do it using the buil...

meer dan 3 jaar ago | 0 answers | 0

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Integrating Bessel Function Including for Each Value of Array-Valued Vector
I'd like to integrate a function which has bessel functions in it for each value of _Q_. I've seen that I should use _quadv_ ...

ongeveer 4 jaar ago | 1 answer | 0

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How can I solve findpeaks() error?
I'd like to fix this error that appears when I use _findpeaks_: Error using findpeaks Expected X to be finite. E...

ongeveer 4 jaar ago | 1 answer | 0

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How can I insert an image when publishing a document?
I would like to publish a MATLAB code into an html and pdf files and I want to insert an image from my computer into the code i....

ongeveer 4 jaar ago | 3 answers | 0

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Why can 'e' not be positive in levinson function?
I know that, theoretically, the error prediction comping out from the levinson algorithm should be positive and less than 1. ...

ongeveer 4 jaar ago | 1 answer | 0

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Why zero-padding not visualized in this signal?
Thank you. I have realized that I should zero-pad the y-axis not the x-axis.

ongeveer 4 jaar ago | 0

| accepted

Question

Why zero-padding not visualized in this signal?
Attached the image produced by the simple code below: t = -10:.1:10-.1; tz = [zeros(1,50) t zeros(1,50)]; f...

ongeveer 4 jaar ago | 1 answer | 0

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Can corrupted m-files be fixed?
I have recovered some of my m-files after formatting my partitions. But sadly, found them corrupted. Is there anyway to fix ...

ongeveer 4 jaar ago | 1 answer | 0

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How can I pass 2-D meshgridded var into a 3-D matrix?
I need to pass _X_ and _Y_ which are 2-D meshgridded matrices into _c_ the 3-D matrix. where _k_ is a constant and _zv_ is a ve...

meer dan 4 jaar ago | 1 answer | 0

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I'm trying to measure the peak-to-peak of the attached signal. But as you can see, all numbers are in the same order of magnitud...

meer dan 4 jaar ago | 0 answers | 0

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How to avoid legend error?
I keep receiving this error: Error using vertcat Dimensions of matrices being concatenated are not consistent. I solv...

meer dan 4 jaar ago | 1 answer | 0

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Why do I receive 'Data type mismatch' error when using a VCO in simulink?
This is the error: Data type mismatch. Input port 2 of '[FileName]/Frequency of single tone/Calculate single tone frequ...

meer dan 4 jaar ago | 0 answers | 0

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How to pass values to a vector inside an anonymous function for ezplot?
I wonder how can I benefit from passing additional parameter for _ezplot_ function. I'm trying to plot implicit function tha...

meer dan 4 jaar ago | 0 answers | 0

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rms value greater than peak-to-peak for the same vector?!
How can this be possible? When I applied _rms()_ and _peak2peak()_ function on the same vector, I found that _rms_ value is b...

meer dan 4 jaar ago | 0 answers | 0

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Is there any way to find peaks rather than using _findpeaks()_ function which didn't get the peaks of the attached curve?

meer dan 4 jaar ago | 1 answer | 0

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How to flip a data on an image?
I would like to flip the blue points upside down (in the attached image): This is my code: hAxes = gca; %...

meer dan 4 jaar ago | 2 answers | 0

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How to flip a line upside down?
How can I flip this line upside down: <</matlabcentral/answers/uploaded_files/68827/flipLine.png>> This is my code that m...

meer dan 4 jaar ago | 1 answer | 0

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How can I know the new value of y after spline interpolation?
I used _csaps()_ and assigned it into cs which is a structure that holds _breaks_ (x-interpolated values), _coefficients_, _orde...

meer dan 4 jaar ago | 1 answer | 0

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Plotting on image is different than on figure?
I plotted a curve (after _hold on_) on an image. Then I plotted the same curve on a separate figure. Found out that they ar...

meer dan 4 jaar ago | 0 answers | 0

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How can I make the figure created by the plot function be an object?
I would like to get a variable out of the plot function so that I can use it for the rest of the code. In other words, I need ...

meer dan 4 jaar ago | 1 answer | 0

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How can I animate a parabolic function?
%Here is my code to plot -x^2 slowly like the comet function: x = linspace(0,4*pi,100); for a = linspace(-...

meer dan 5 jaar ago | 1 answer | 0