WOLFRAM|DEMONSTRATIONS PROJECT

Eigenvalues and Linear Phase Portraits

​
′

x
y


FE`a$$2582623888220710992415466115422231521243
FE`b$$2582623888220710992415466115422231521243
FE`c$$2582623888220710992415466115422231521243
FE`d$$2582623888220710992415466115422231521243

x
y

a
11
-1
a
12
1
a
21
0.5
a
22
-1
This shows the phase portrait of a
2×2
linear differential system along with a plot of the eigenvalues of the system matrix in the complex plane.