leo20002000

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16 years, 150 days

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These are questions asked by leo20002000

Hi, there

 I have a formula as blow:

Ue = .5*A*E^2+B*E^beta/(Emax-E)^alpha

I need to find the cofficients (A,B,alpha ,beta) in above formula.What I know is that the relationship between Ue and E, which is:

E Ue 0 0 0.2 0.01576213 0.4 0.629139894 0.5 1.457776151 0.6 2.958910418 0.7 5.605599058 0.8 10.20002179 0.9 17.77607359 0.92 19.57451259 0.95 22.81827108 1 29.34874031 1.02 32.35324584 1.04 35.41703504 1.06 39.08008982 1.08 42.71086444 1.1 46.46475176 1.12 50.53683716 1.14 55.48548924 1.16 60.4973377 1.178 64.70966192

 

Could any one see what maybe the problems pls?

 

Could any one have a look at my results pls, don't know why I couldn't get the right results!?

Hi ,everyone.I have the following eqations I need to solve.However when I tried to run it in Maple it give out the message as shown in title.could any one see this and give some suggestions pls.

eq1 := (q/a)^2+2*q1*f*cosh(-3*p*q2/(2*a))-1-q1^2*f^2 = 0;

eq2 :=  q=a*q1*f*sinh((3/2)*p*q2/a)*q2;

p:=174e6;q:=199e6;f:=0.25;a:=150e6;

solve({eq1, eq2}, {q1,q2});

 

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