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Question: Singularity in ODE solution

Question:Singularity in ODE solution

shadi1386 35 Maple
April 26 2016
0

Dear all,

 

I am trying to solve a differential equation; 

diff(H(z), z) = 6.534101519*10^17*H(z)^2*(1.+z)^(5/2)+6.250000000*10^(-67)*sqrt(-1.639468135*10^119*H(z)^2*(1.+z)^5+9.161095674*10^82*(1.+z)^8+1.092978756*10^168*H(z)^4*(1.+z)^5)

sol := dsolve({test, H(0) = 2.268308490*10^(-18)}, numeric, range = 0 .. 3)

The problem is that it gives me the eror: 

Warning, cannot evaluate the solution further right of .25430145, probably a singularity

How can I get rid of this?

 

 
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