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Last updated 6:59 PM on 5/3/26
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8 Terms

1
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Real Opposite Signs (e.g., eigen 1 = 3, eigen 2 = -2)

Saddle Point (opposite) (unstable)

2
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Real Positive

Nodal Source (away from origin) (unstable)

3
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Real Negative

Nodal Sink (in to origin) (stable)

4
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Complex; α is positive

Spiral Source (spiral away from origin) (unstable)

5
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Complex; α is negative

Spiral Sink (spiral in toward origin) (stable)

6
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Complex; α is zero

Center (circle) (stable)

7
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Repeated Positive

Improper Nodal Source (curves out from origin) (unstable)

8
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Repeated Negative

Improper Nodal Sink (curves into origin) (stable)