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Alexander Babin


Last seen: oltre 3 anni fa |  Attivo dal 2020

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Domanda


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...

quasi 4 anni fa | 0 risposte | 0

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risposte

Domanda


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 ...

quasi 4 anni fa | 0 risposte | 0

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risposte

Domanda


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...

quasi 4 anni fa | 1 risposta | 0

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Domanda


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...

quasi 4 anni fa | 0 risposte | 0

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Domanda


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, ...

quasi 4 anni fa | 1 risposta | 0

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Domanda


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...

quasi 4 anni fa | 1 risposta | 0

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Inviato


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

quasi 4 anni fa | 1 download |

Risolto


Mandelbrot Numbers
The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...

quasi 4 anni fa

Domanda


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 ...

circa 4 anni fa | 0 risposte | 0

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Risolto


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...

circa 4 anni fa

Risolto


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 ...

circa 4 anni fa

Risolto


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...

circa 4 anni fa

Risolto


Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x&#8321;_ + _x&#8322;_ = 2 _x&#8321;...

circa 4 anni fa

Risolto


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.&#8519;^(-&lambda;t)*cos(2πft)| where |A|, |&lambda;|, and |f| ...

circa 4 anni fa

Risolto


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,....

circa 4 anni fa

Risolto


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:...

circa 4 anni fa

Domanda


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 ...

circa 4 anni fa | 0 risposte | 0

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Domanda


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...

oltre 4 anni fa | 0 risposte | 0

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Risposto
LQI Control input
hi, I hope, it is still relevant: to compute u(k) = K*x(k)

oltre 4 anni fa | 0

Domanda


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 ...

oltre 4 anni fa | 0 risposte | 0

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Domanda


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...

oltre 4 anni fa | 0 risposte | 0

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Domanda


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 ...

oltre 4 anni fa | 0 risposte | 0

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Risposto
Stability 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 ...

oltre 4 anni fa | 0

| accettato

Domanda


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...

oltre 4 anni fa | 1 risposta | 0

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Domanda


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...

oltre 4 anni fa | 0 risposte | 0

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Domanda


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...

quasi 5 anni fa | 0 risposte | 0

0

risposte

Domanda


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...

quasi 5 anni fa | 1 risposta | 0

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risposta

Domanda


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...

quasi 5 anni fa | 1 risposta | 0

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