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Phase portrait for a matrix

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Sergio Manzetti 2017-11-15

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回答： Sergio Manzetti 2017-11-15

I have solved a system of ODEs, and would like to plot a phase portrait in MATLAB. This gave me the following matrix:

[ 1, i ; 3, 5i]

How can I simply plot the spiral potrait in MATLAB for this?

Thanks

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Birdman 2017-11-15

Can you share your differential equations?

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Sergio Manzetti 2017-11-15

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Yes, it is:

5i Y'' - 3i Y' = 0

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MATLAB Mathematics Numerical Integration and Differential Equations Ordinary Differential Equations

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