Jesús Zambrano
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Senior Training Engineer at The MathWorks, in Stockholm (Sweden) since 2018, where I deliver MathWorks products and application specific training to customers in Nordics and Europe. Primary areas of instructions include mathematical modeling and simulation, verification and validation, C/HDL code generation, Stateflow, signal processing.
C, MATLAB, Arduino, VHDL
Spoken Languages:
English, Spanish
Pronouns:
He/him
Professional Interests:
Modeling, Stateflow, Code Generation, Verification, Testing, and Certification, HDL Code Generation from Simulink
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Question
Andrica's Conjecture
I'd like to get a simple MATLAB code showing the Andrica's conjecture. More about it can be found here: Andrica's conjecture - ...
3 mois il y a | 1 réponse | 0
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réponseHow to avoid duplicate functions in generated code with embedded coder?
The get the most out of the reusability, the blocks you want to use the reusability feature should be identical copies.
environ un an il y a | 0
I have probleme in simulation could you help me
I see that the Fcn block highlighted in yellow (giving the error message) is part of a closed-loop, where in order to get a resu...
environ 3 ans il y a | 0
In Simulink, how can I put the signal line on the lateral side of add block?
Using the Sum block, double-click on it and you can set the "List of signs" with a combination of verticla lines and pluses, for...
environ 3 ans il y a | 0
How can I plot the frequency response of the equation below using MATLAB?
Hi Victor, Please try: tf1 = tf([2e9],[10 1]); tf2 = tf(1, [100e3 2e9]); mytf = tf1*tf2; bode(mytf) where each vector in...
plus de 3 ans il y a | 0
Conversion of Simulink Model to previous version
Go to the Simulation Tab and do: Then, select the release version:
plus de 3 ans il y a | 0
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How can I install MinGW for use in a new version of MATLAB?
Go to the Add-Ons explorer and type mingw64. Then, proceed with downloading and installing the compiler.
plus de 3 ans il y a | 0
How to define the variables as 'Global variables' within a Matlab Function block in Stateflow?
A way to solve this question could be by: First, in the chart properties, set the "Export chart level functions" and "Treat exp...
plus de 3 ans il y a | 1
Can you use SIL/PIL on a combined MATLAB/Simulink model?
Hey Joshua, You can place your MATLAB code in a MATLAB function block. This block can be part of a Simulink model, and you can ...
plus de 3 ans il y a | 0
Least-Squares FIR Filter Design
Hey Ori, Please find different examples of how to design and apply digital filters in the following link to the documentation ...
plus de 3 ans il y a | 1
I can no longer perform coverage analysis, what could be the problem?
Apart from selecting "Enable coverage analysis", it is needed to specify one out of: Entire System, Referenced Models, Subsystem...
plus de 3 ans il y a | 0
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fixed point number conversion
You might try the command fi For example, converting the value 1.5 to fixed-point signed, with wordlength 10 and fraction lengt...
plus de 3 ans il y a | 0
set_param() - programmatically change param of multiple blocks of the same type (for-loop)
That´s a good solution. For any other case, you might try to first use the command find_system, to then look for the blocks you ...
plus de 3 ans il y a | 0
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getting error while using feedback
You need to work with model objects, they must be either continuous os discrete with identical sample times. Here, please read ...
plus de 3 ans il y a | 0
How to avoid duplicate functions in generated code with embedded coder?
Apart from setting the function packaging to 'Reusable function', could you set the Function name option to 'User specified' and...
plus de 3 ans il y a | 0
integral sequre error (ISE) via Simulink
Hi Hussein, I think you should take the very final value. For example, if the simulation stops at T=10, go to the row when time...
plus de 3 ans il y a | 0
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Configuring the output of an S-Function
Hi Vagner, I think it is exactly you already have. Since you put x(1) and x(2) in the S-function output, and these are the unkn...
plus de 3 ans il y a | 0
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How do I convert descriptor state-space to transfer function?
I think you can just take the A,B,C,D matrices and use ss2tf command to convert it to transfer function. Please look at this do...
plus de 3 ans il y a | 0
How do i programmatically set parameter override sets to different test iterations for a single test case in MATLB?
About overriding parameters programmatically, you could check the content described in this link: Override Model Parameters in ...
plus de 3 ans il y a | 0
Can i run Matlab simulink in windows command line ?
Hi Sreenath, You could start by checking this example shows how to create a test harness programmatically: Programmatically Cr...
plus de 3 ans il y a | 0
how to generate 100 random numbers between 5 and -5?
Hey Rayhan, You can try with these lines of code: a = -5; b = 5; N = 100; r = a + (b-a).*rand(N,1); Hope it helps!
presque 4 ans il y a | 0
How do I use LHS(Latin Hypercube Sampling)?
You could try with: lb = [-5 0]; ub = [10, 15]; x = bsxfun(@plus, lb, bsxfun(@times, X, (ub-lb)); %new sample distribution z...
presque 4 ans il y a | 1
Runge Kutta 4 ODE
Hi Valeria, I don't see any system of ODEs (ordinary differntial equations) in equations 4 to 6. For solving ODEs you can foll...
presque 4 ans il y a | 0
Synchronize Two Timetables (observation and simulation)
Hey Ali, I think so too. I guess you included the folloinwg lines of code to define obs and model timetables before using synch...
presque 4 ans il y a | 0
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Error in port widths or dimensions
If Output port 2 goes to Input port1, then you have a conflict due to the dimensions. Including a signal specification will not ...
presque 4 ans il y a | 0
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How to programmatically pause and resume UUT Simulation in Test Sequence Block ?
Maybe you can add one or more breakpoints in different steps so to pause in the moment you prefer. Here I include documentation ...
presque 4 ans il y a | 1
How to change C and D matrices of a state-space model?
What about: sys2 = ss(A, B, sys2_C, sys2_D, 'StateName', sys1.StateName)
presque 4 ans il y a | 0
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Simulink simulation too slow
Hey Fadi, There are several reasons that can slow down your simulation. Here I include few possible causes: Speed Up Simulatio...
presque 4 ans il y a | 0
How to control Inputs in Test Manager
Hey, The following link shows an example of how to add excel data to Inputs selection https://www.mathworks.com/help/releases/...
environ 4 ans il y a | 0
Error using fmincon MATLAB function in simulink
Hi Ayman, Could you try the following: function [v,a] = fcn(x) myopts = optimoptions('fmincon','Algorithm','sqp'); xopt=fm...
environ 4 ans il y a | 0
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