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Alexander Babin


Last seen: 3 years 前 |  自 2020 起处于活动状态

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统计学

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提问


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...

4 years 前 | 0 个回答 | 0

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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 ...

4 years 前 | 0 个回答 | 0

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提问


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...

4 years 前 | 1 个回答 | 0

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提问


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...

4 years 前 | 0 个回答 | 0

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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, ...

4 years 前 | 1 个回答 | 0

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提问


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...

4 years 前 | 1 个回答 | 0

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已提交


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

4 years 前 | 1 次下载 |

已解决


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

4 years 前

提问


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 ...

4 years 前 | 0 个回答 | 0

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已解决


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...

4 years 前

已解决


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 ...

4 years 前

已解决


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...

4 years 前

已解决


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;...

4 years 前

已解决


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| ...

4 years 前

已解决


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,....

4 years 前

已解决


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:...

4 years 前

提问


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 ...

4 years 前 | 0 个回答 | 0

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提问


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...

4 years 前 | 0 个回答 | 0

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

4 years 前 | 0

提问


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 ...

4 years 前 | 0 个回答 | 0

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提问


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...

4 years 前 | 0 个回答 | 0

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提问


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 ...

4 years 前 | 0 个回答 | 0

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已回答
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 ...

4 years 前 | 0

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提问


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...

4 years 前 | 1 个回答 | 0

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提问


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...

4 years 前 | 0 个回答 | 0

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提问


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...

5 years 前 | 0 个回答 | 0

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提问


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...

5 years 前 | 1 个回答 | 0

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提问


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...

5 years 前 | 1 个回答 | 0

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