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MAT244 Math--Lectures / Re: final exam material
« on: November 30, 2014, 09:11:49 AM »
There is some conflicting information here. Did we study 9.6?
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MAT244 Math--Lectures / Re: Table 9.3.1 on page 523 of the textbook
« on: November 30, 2014, 09:09:06 AM »
For proper node or improper node -> node or spiral point how can you shift to get a spiral point? I thought spiral points were for complex eigenvalues. And you can't have only one eigenvalue in the complex case, so how do complex eigenvalues fall under this case?
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MAT244 Math--Lectures / Table 9.3.1 on page 523 of the textbook
« on: November 28, 2014, 12:41:03 PM »
Can someone explain how you get the following?
Linear system Type -> Locally Linear System Type
Proper Node or Improper Node -> Node or Spiral Point
Center -> Center or Spiral Point
Linear system Type -> Locally Linear System Type
Proper Node or Improper Node -> Node or Spiral Point
Center -> Center or Spiral Point
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WebWorks / WW7 - related to problem 7
« on: November 28, 2014, 12:36:27 PM »
What is a vertical (x-)nullcline equation and how do you find it?
What is a horizontal (y-)nullcline equation and how do you find it?
Using the nullclines how do you estimate trajectories in the phase plane?
What is a horizontal (y-)nullcline equation and how do you find it?
Using the nullclines how do you estimate trajectories in the phase plane?
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MAT244 Math--Lectures / Re: final exam material
« on: November 28, 2014, 12:28:00 PM »
Did we study Ch, 5, 6, 9.6, or 9.7?
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MAT244 Math--Lectures / Test 2 Material
« on: November 13, 2014, 04:24:10 PM »
What sections will be covered on Test 2?
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