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Question: fsolve with unknown initial condition

Question:fsolve with unknown initial condition

goli 175 Maple
fsolve
December 26 2011
0

Daer all! I want to solve the following equation

> H(z)*(1-m*H(0)^2*(1+z)^3/H(z)^2)-2*e*sqrt(1-c^2)*sqrt(r)*H(0) = 0;

where H(0) denotes the value of H(z) at z=0 and other constants are

> m := 0.211: c := 0.80: r := 0.338: e := 1:

If I want to use the fsolve command as

> eq := z->H*(1-m*H(0)^2*(1+z)^3/H^2)-2*e*sqrt(1-c^2)*sqrt(r)*H(0) = 0;

> Y := z-> fsolve(eq(z), H=1):  

what should I imply instead of H(0)? 
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