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Section 8.4 #29
 
Section 8.4 #29
 
Does anybody have any thoughts about the solution to the second part of number 29 and the proof for #30? For the positive definite case and negative definite case, finding the determinate seems sufficient. I'm not sure how to show the indefinite case.
 
Does anybody have any thoughts about the solution to the second part of number 29 and the proof for #30? For the positive definite case and negative definite case, finding the determinate seems sufficient. I'm not sure how to show the indefinite case.
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Problem 18 on page 146
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Do I have the time rate of change equations correct:
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Y1' = 48/100Y1 + 16/400Y2 - 64/100Y1
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Y2' = 64/100Y1 - 64/100Y2
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I am not sure on the 48/100Y1 portion of equation 1. 
  
 
[[2010 MA 527 Bell|Back to the MA 527 start page]]  
 
[[2010 MA 527 Bell|Back to the MA 527 start page]]  

Revision as of 07:46, 17 September 2010

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Section 8.4 #29 Does anybody have any thoughts about the solution to the second part of number 29 and the proof for #30? For the positive definite case and negative definite case, finding the determinate seems sufficient. I'm not sure how to show the indefinite case.


Problem 18 on page 146 Do I have the time rate of change equations correct:

Y1' = 48/100Y1 + 16/400Y2 - 64/100Y1 Y2' = 64/100Y1 - 64/100Y2

I am not sure on the 48/100Y1 portion of equation 1.

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