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cempaka

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13 years, 101 days
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These are questions asked by cempaka

Can't execute the result...

cempaka 0
diff dsolve
March 28 2012
1 0

> dsol1 := dsolve({-(diff(y[1](t), t, t))*sqrt(y[1](t)^2+y[2](t)^2)^3/y[1](t) = 0, -(diff(y[2](t), t, t))*sqrt(y[1](t)^2+y[2](t)^2)^3/y[1](t) = 0, y[1](0) = 1, y[2](0) = 0, (D(y[1]))(0) = 0, (D(y[2]))(0) = 1}); dsol1:= >

Why the result can't execute?

How do I solve this ode system...

cempaka 0
ode
March 27 2012
2 1

2.6_map.mw

 

I try to solve this problem,but there is an error occur.Is there a problem in the equation?

How can i solve this ode system...

cempaka 0
solve ode
March 26 2012
1 0

diff(y1(t), `$`(t, 2)) = -y1/sqrt(y1^2+y2^2)^3, y1(0) = 1, y1(0) = 0

How can i solve this problem ,when i try to execute the error occur.since the y1(t) and y1 cannot both occur in the system.

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