Community Profile Alessandro Antonini

Bologna

Active since 2012

Professional Interests: Ocean engineering

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Question

Visualize distortion on the frame after a calibration camera procedure
Dear all, I am wondering how I can display the distortion map on the image that I am going to use. More in detail, by means...

7 years ago | 2 answers | 0

2

Question

Moving image in accordance with known signal
Hi there, I am working in wave interaction with a floating body, now I solved the equation of motion and I have the time seri...

8 years ago | 0 answers | 0

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Question

Non linear second order differential equation with non costant coefficients
Hello everybody, I have a problem with differential equations. My problem is related to a second order, non linear system of ...

8 years ago | 0 answers | 0

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Question

ODE for system of non linear, second order differential equations
I need to solve a system of 3 equations in the variable x1,x2,x3. Normaly I solve differential equations with ode solvers but in...

8 years ago | 1 answer | 0

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Question

How can make Nyquist plot from numerical results like RAO and phase?
I would like to make a Nyquist plot from a solution of my numerical model, I do not know how do that. From my model I can extra...

9 years ago | 0 answers | 0

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Question

Estimate differential equation parameters
Dear all, I need to estimate a parameter of a second order differential equation. This equation is a law of the displacement ...

9 years ago | 2 answers | 0

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Question

How to generate a time signal from spectrum
Hello, I'm working on spectrum comes from sea wave data. I have a JONSWAP spectrum and I need to generate a signal in time d...

9 years ago | 1 answer | 0

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Extract a portion of vector
I solve the problem with the help of my friend, I needed two while cicle. to solution was: C=impuct vector and e1=C(:,2)...

9 years ago | 0

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Extract a portion of vector
I need to take into account only the partial measure more long than 20 hours, that is if I have a vector like that: A=[0 2...

9 years ago | 0

Question

Extract a portion of vector
Hi, I have a problem that I can not solve. I need to extract a portion of my vector, this vector has 2 columns (first column...

9 years ago | 4 answers | 0