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Christos Tsallis


Last seen: 2 years ago |  Active since 2020

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Confusion using confidence bounds
I used "fitlm" function on matlab, and when I tried to plot it "confidence bounds" showed up. I read that it is 95% confidence b...

2 years ago | 0 answers | 0

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answers

Question


How fitlm computes confidence bounds?
I have used fitmid=fitlm(x1,y1), fitmax=fitlm(x2,y2), fitmin=fitlm(x3,y3) in order to return a linear regression model for my da...

2 years ago | 1 answer | 0

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answer

Question


I get different regression coefficients, depending on how I do the binning. Which regression should I use?
I have some doubts about a linear regression model. To begin with, I have a table with 2 columns and a lot of rows. From this ta...

2 years ago | 0 answers | 0

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answers

Question


Wrong output using "find" while filtering a matrix
I am trying to filter some values of a matrix using an index. Given the value "i=0.10", and after that using "range_limits = [i ...

2 years ago | 1 answer | 0

1

answer

Question


Return filtered values from a matrix
I have expressed my problem with the following image. I would like to implement exactly what I am saying on matlab but I am conf...

2 years ago | 1 answer | 0

1

answer

Question


DC Motor Simulation on Simulink Using Datasheet's Specifications.
Hello everyone, I am trying to implement a dc motor simulation on simulink using real dc motor's specifications. Bellow there i...

3 years ago | 0 answers | 0

0

answers

Answered
DC Motor Position Control using Potentiometer as a Feedback
Hello, I am facing some issues. At first, my PID’s output is the PWM signal which controls the speed of the dc motor. If this s...

3 years ago | 0

Question


DC Motor Position Control using Potentiometer as a Feedback
Hello, I am trying to control the position of a dc motor using a potentiometer as a feedback (on simulink). The idea is to inpu...

3 years ago | 2 answers | 0

2

answers

Question


Simulink L298N DC Motor Driver Enable PIN Question
Hello, I am trying to change the speed of a small dc motor using the module L298N and Arduino UNO. I am using the enable pin (W...

3 years ago | 0 answers | 0

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answers

Question


Output variable of a function as an input of another function - Problem
Hello, I got two ".m" files, the first one is called "Ex_1" and the second one is called "Ex_2" as shown bellow. Output of Ex_1...

3 years ago | 1 answer | 0

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answer

Question


Multiple Sum of Series in a Variable - Syntax Problem
Hello, I got a problem expressing the equations bellow, in matlab. There is a dat variable which is a 7x2 table and has values ...

4 years ago | 1 answer | 0

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answer

Question


Addition of 2 matrices with different dimensions
Hello, If we want to add 2 matrices in maths, their dimensions must be the same. I was wondering how MATLAB can add x=[1;5;9] ...

4 years ago | 2 answers | 1

2

answers

Question


How to set 2 constrain bounds at the same time?
Hello, let's say that we have -10<=X1<=10 and -30<=X2<=30. My question is, how can we express this in matlab or in the ga-Sol...

4 years ago | 1 answer | 0

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answer