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Farouk Moukaddem

Last seen: 7 months ago |  Active since 2016

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Why do I get the wrong value when I try to evaluate log([-1;1]) this way?
I get different results in MATLAB R2017a when I perform the same operation in different ways: >> v = -1 + 1i; >> log([0;0]./...

7 years ago | 2 answers | 0

2

answers

Answered
noise removal without a built in function
Hi Jake, There are several ways to remove noise from the 2-D data: 1) You can use the "medfilt2" function from the Image P...

8 years ago | 0

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How to plot a patch?
Hi Mr M, You can use the "imcrop" function to create an interactive image cropping tool associated with the image displayed i...

8 years ago | 0

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How can i count the number of cells in an image?
Hi Vishakha, I can see from the picture you uploaded that your image has some background noise. I suggest trying to break the...

8 years ago | 0

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Change default 10 in x axis in scope
Hi Cosimo, The value "10" that you see in the Scope figure is actually the Simulation time of your model. To modify this, upd...

8 years ago | 2

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Answered
Can't download program to board frdm 64k from NXP
Hi Ivo, Refer to the following documentation link for specific information on how to install and use the Simulink support pac...

8 years ago | 0

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How to improve speed of execution for huge matrix multiplication ?
Hi Edouard, Refer to the following documentation link for the best practices to improve the performance of code: http://www....

8 years ago | 0

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Simulink with Arduino: File May be Corrupt
Hi Kerk, This error message could be due to the following reasons: 1) Writing a matrix with more than 10^8 elements. Mat f...

8 years ago | 0

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What is blas loading error?
Hi Kruptal, A BLAS Loading error can occur when the mkl.dll file for the corresponding function that you are using is corrupt...

8 years ago | 0

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Close Control System Toolbox main window
Hi Davide, The "close" function in MATLAB is used to remove a specified "figure". The "Control and Estimation Tools Manage...

8 years ago | 1

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Answered
Compare block does not work!
Hi, This may be a bug in MATLAB R2015a. Try using a Scope viewer instead of a Scope block to visualize your signal. Best, ...

8 years ago | 0

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how can i creat image from data?
Hi, Refer to the following documentation link for the "mat2gray" command that is used to convert a matrix to a grayscale imag...

8 years ago | 0

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eigen values (principle stresses) of large date
Hi Fawad, You can use a for-loop and the "eig" function to find the eigenvalues of the three matrices you have, by grouping t...

8 years ago | 1

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How to Initialize a Discrete-Time Model?
Hi Daniel, Theoretically speaking, Transfer Functions are defined when all initial conditions on a system are set to zero. ...

8 years ago | 1

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Compute goodness of fit (gof) out of sfit-object and fitting data
Hi Rodrigo, The only documented way to obtain the goodness-of-fit statistics is by explicitly passing the output parameter "g...

8 years ago | 1

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Simmechanics generation 1 convert to generation 2
Hi Hoda, The only documented way to convert first-generation models and user-defined libraries to second-generation equivalen...

8 years ago | 0