Alexander Babin
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Accept 2 answers given by other contributors
Awarded to Alexander Babin on 15 Feb 2022
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Awarded to Alexander Babin on 19 Dec 2020
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Feeds
Pregunta
How to obtain numerical values of displacement due to deformation?
Hi, I am solving a simple FEA problem for a rod, see below: The rod is bent due to a force appled to the top vertex, the bott...
alrededor de 4 años hace | 0 respuestas | 0
0
respuestasPregunta
Structural Optimization Workflow in Matlab
Dear friends! My question is aimed at people who deal with optimization problems coupled with FEA and use Matlab for that, and ...
alrededor de 4 años hace | 0 respuestas | 0
0
respuestasPregunta
Extra faces in imported geometry
Hi, every one, I am trying to import a part I designed in Autodesk Inventor, the .stl file attached, but there are some extra fa...
alrededor de 4 años hace | 1 respuesta | 0
1
respuestaPregunta
Input to Output ghost elements
Dear friends, it is the strangest thing I have seen and the weirdest question to ask. Consider the following model: The input...
alrededor de 4 años hace | 0 respuestas | 0
0
respuestasPregunta
Double to Logical convertion in Simulink
Dear friends! So i have an array of boolean like this: [0 1 0 1 1 1 1 0 0 1 0] If you plot it in Matlab, ...
alrededor de 4 años hace | 1 respuesta | 0
1
respuestaPregunta
Code generation with external variables
Dear friends! I am not sure if the word 'external' in the question is correct, but here is what i am talking about: The progra...
alrededor de 4 años hace | 1 respuesta | 0
1
respuestaEnviada
Normalization and Linear Regression of Data
A simple piece of code including a function for linear regression lin_fit(...) for data points X and y
alrededor de 4 años hace | 2 descargas |
Resuelto
Mandelbrot Numbers
The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...
alrededor de 4 años hace
Pregunta
Code generation for stm32f4 discovery results in an empty main.c
Hello to everyone, I am trying to connect my stm32f4 discovery board to simulink to generate code and run in on the board via ...
más de 4 años hace | 0 respuestas | 0
0
respuestasResuelto
Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...
más de 4 años hace
Resuelto
Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...
más de 4 años hace
Resuelto
Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...
más de 4 años hace
Resuelto
Solve a System of Linear Equations
*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...
más de 4 años hace
Resuelto
Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...
más de 4 años hace
Resuelto
Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....
más de 4 años hace
Resuelto
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
más de 4 años hace
Pregunta
Error Bus signal cannot be found in the Input bus signal
Dear friends, please, look the schematic below and tell me, why even though DX returns a proper vector, it cannout be found in ...
más de 4 años hace | 0 respuestas | 0
0
respuestasPregunta
How to set up a Simulink model to use external clock on my Arduino Mega 2560?
Hi, all, I have an Arduino board all configured, two potentiometers connected to it at the same time, pins A0 and A1, however, s...
más de 4 años hace | 0 respuestas | 0
0
respuestasLQI Control input
hi, I hope, it is still relevant: to compute u(k) = K*x(k)
más de 4 años hace | 0
Pregunta
How does linearization algorith work in Linearization Manager?
Dear friends! My question is more out of curiosity, I suspect, that since I see my simulink model run a few times, the manager ...
más de 4 años hace | 0 respuestas | 0
0
respuestasPregunta
What do Y axes mean in Sensitivity Analysis results?
Hi, I have the following results in Sensitivity analysis toolbox, see attached figure. I have specified step response envelope...
casi 5 años hace | 0 respuestas | 0
0
respuestasPregunta
How to export a figure with editable axes from Sensitivity Analysis toolbox?
Hi, I would like to export some plots from sensitivity analysis toolbox to my paper, I managed to export requirements plots for ...
casi 5 años hace | 0 respuestas | 0
0
respuestasStability margins on Nyquist plot for MIMO control systems
I figured it out. You could extract each input-ouput transfer function via g=tf(G.Numerator(i,j),G.Denominator(i,j)) where g is ...
casi 5 años hace | 0
| aceptada
Pregunta
Stability margins on Nyquist plot for MIMO control systems
Dear Friends! I hope you are all doing fine in these strange times! I have a question regarding the stability margins for a MI...
casi 5 años hace | 1 respuesta | 0
1
respuestaPregunta
Discrete-time Derivative
Dear friends! I am simulating a system with an ADC which acquires signals from two sensors at some N Hz rate, converting a cont...
casi 5 años hace | 0 respuestas | 0
0
respuestasPregunta
why linearisation of a closed-loop systems results in an infinite step response?
Dear friends! Please, take a look at the system below with open loop inputs and outputs configered this way, the following i...
alrededor de 5 años hace | 0 respuestas | 0
0
respuestasPregunta
Step response of a closed-loop system
Dear friends, i need to determine the stability of a system that consists of a PI controller, a servovalve and a thrust bearing...
alrededor de 5 años hace | 1 respuesta | 0
1
respuestaPregunta
How to use methods of the class in the constructor of this class?
Dear friends! I am quite new with Matlab and especially with OOP in it. I have a question regarding object construction: the t...
alrededor de 5 años hace | 1 respuesta | 0
1
respuesta
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