Diff Eq: Variation of Parameters for 3rd-ODE's

UziStuNNa · Mar 29, 2009

Homework Statement

http://img27.imageshack.us/img27/6083/variationofparametersfop.jpg

HallsofIvy · Mar 30, 2009

I don't see any attempt to do anything yourself.

UziStuNNa · Mar 30, 2009

Well I'm not sure how to start it off.

foxjwill · Mar 30, 2009

UziStuNNa said:

Well I'm not sure how to start it off.

Then you need to tell us what is confusing you.

UziStuNNa · Mar 30, 2009

[tex]W_1(t)[/tex]= [tex]g(t)(y_2(t)y_3'(t)-y_3(t)y_2'(t))[/tex]
[tex]W_2(t)[/tex]=[tex]-g(t)(y_1y_3'-y_3y_1')[/tex]
[tex]W_3(t)[/tex]=[tex]g(t)(y_1y_2'-y_2y_1')[/tex]

Then, [tex]u_1(t)=\int(W_1/W)[/tex] and so forth for [tex]u_2[\tex] and [tex]u_3[/tex][/tex]

Diff Eq: Variation of Parameters for 3rd-ODE's

Homework Statement

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Diff Eq: Variation of Parameters for 3rd-ODE's

Homework Statement

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