Phase portrait for a matrix

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Sergio Manzetti
Sergio Manzetti 2017-11-15
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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回答（1 个）

Sergio Manzetti
Sergio Manzetti 2017-11-15
Yes, it is:
5i Y'' - 3i Y' = 0

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