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# shahin sharafi

Last seen: circa un mese fa Attivo dal 2021

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Domanda

Updating States in ODE45
Hi everyone! I modeled a free falling sphere in air with ODE45 as coded below, and it hits the ground. I wanted to update posit...

2 mesi fa | 1 risposta | 0

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Domanda

How to stop falling cube?
Hi everyone, I simulated a free falling cube (the code is provided as below). I want to stop falling as the lowest vertex reac...

3 mesi fa | 1 risposta | 0

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Domanda

Axis Disappearing after Zooming in
Hi, I plotted somthing and after using xlim and ylim for zooming out, axies disappeared. How can I solve the problem? thank...

5 mesi fa | 1 risposta | 1

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Domanda

3D Solid Cube
Hi I am going to create a solid cube in 3D in MATLAB that by rotating of one length of cube in the desired angle, other leng...

5 mesi fa | 1 risposta | 0

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Domanda

Settling time of response.
Hi I am going to find the setteling time of response with Matlab directly. This figure is my reponse solved by DDE23. Is there...

circa un anno fa | 1 risposta | 0

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Domanda

Finding settling time of a response.
Hi I solve a solution of a system with DDE23. I am going find a settling time of response with direct command in MATLAB. Is ...

circa un anno fa | 1 risposta | 0

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How can I make a integration with trapz?
What should I do guys? Please inform me about the correct code

oltre un anno fa | 0

Domanda

How can I make a integration with trapz?
Hi everyone, I have x and y vectors, and ploted y verses x as below: v=[2.2696;2.2696; 2.4646;2.4646;2.6775;2.6775; 2.9101...

oltre un anno fa | 3 risposte | 0

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Domanda

How to find steady state solution of recatti equation
hi everyone, I want to find solution of algebric equations as below: -A_Star'*x-x*A-Q+x*G*x ... where x is the solution of t...

oltre un anno fa | 2 risposte | 0

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How to Obtain value of J in LQR command
Thank you so much

oltre un anno fa | 0

Domanda

How to Obtain value of J in LQR command
Hi everyone, I have solved a problem with ODE45, and used LQR command to contorl the response of the system. I want to see the...

oltre un anno fa | 1 risposta | 0

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Domanda

How to solve the retarded delay differential equation?
Hi everyone, I am going to solve the retarded delay differntial equation as bellow. but I dont know how. It would be great i...

quasi 2 anni fa | 0 risposte | 0

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Domanda

History function for ODE45
Hi everyone I am currently solving an equation using ODE45 in matlab. I had a question though. Is that possible to define a h...

quasi 2 anni fa | 1 risposta | 0

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Domanda

How to Calculate Area Between a Curve and Two Lines?
Hi Everyone, I am trying to calculate area (yellow area in attached figure) between curve and vertical and horizental axies li...

circa 2 anni fa | 1 risposta | 0

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Domanda

How to have a just specific part of a plot?
Hi For a purpose, I am trying to have a just specific part of my plot only. For example, if you run the below code, you will g...

circa 2 anni fa | 1 risposta | 0

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Domanda

How to Calculate an area in MATLAB
Hi I am going to to calculate the area covered by nodes using boundary and polyarea functions. However, calculated area is not...

circa 2 anni fa | 1 risposta | 0

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Domanda

How to solve exceed number of array element (1) problem?
Hi As I try to run the bellow code, I will encounter the Index exceeds the number of array elements (1). As I tried the Time_D...

circa 2 anni fa | 1 risposta | 0

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Domanda

How to calculate an area with obtained nodes?
Hi Everyone, I am going to calculate the area covered by nodes in the plot, but I do not know how! Could someone help me? T...

circa 2 anni fa | 1 risposta | 0

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Domanda

How can I shade the area between a curve and a vertical line?
I am going to shade the area between the right side of vertical line and the curve as bellow. Could someone help me? I have att...

circa 2 anni fa | 2 risposte | 0

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