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Alessandro Vitiello


Last seen: 1 year ago |  Active since 2018

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solve matlab ode system inside simulink subsystem
Hi, I have a matalb ODE code, that solves a set of differential equations. I want to put all inside a simulink subsystem, and e...

3 years ago | 1 answer | 0

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Command "matlab.io.saveVariablesToScript" max memory/elements
Hi all, I am using the matlab command matlab.io.saveVariablesToScript In order to save my output in .m file instead of .mat (i...

4 years ago | 1 answer | 1

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how to fix a value in a function during an ode integration, that does not change during the integration
hi all, I have to fix a value during an ode integration: if z > 1000 dx = v*cos(gamma)*cos(chi); dy = v*cos(ga...

4 years ago | 1 answer | 0

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how to insert numerical derivative in function for ode integration
Hi all, I computed the traslation dinamics of a re-entry trajecotry. Now I am adding the attitude , but I have this problem : ...

4 years ago | 0 answers | 0

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impose a condition on a general value of a vector
Hi every one, I have to do an optimization ( with fmincon), where I have a constraint one the trajectory . basically I want th...

4 years ago | 0 answers | 0

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ode does not converge
Hi, I have the following problem with code on the sliding mode control, solving a non linear problem: running the code, I do n...

4 years ago | 1 answer | 0

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answer

Question


simulink control re entry atmosphere code
Hi, I am trying to do this simulation, is a control of a re-entry vehicle. I have a nominal trajectory that comes from an optimi...

5 years ago | 1 answer | 0

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Question


hi ,i have this function that ode45 integrate, the numerical integration is correct, but in the main script I have to plot the vector 'alfa', and in order to do this i have to rewrite the same code, but i need to do a cicle 'for', how is this cicle ?
function [ derivate ] = eq_moto_vincolo_q_piatto(t, X ) format long global mi m CQ T w A rho0 H R_earth beta a0 a1 b...

6 years ago | 0 answers | 0

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