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assume(theta>0); f:=v->1/2*theta*exp(-theta*v); After I define the function f(v), there is an error if it is integrated from q to inifinity: (in sprintf) insufficient parameters for strig format int(f(v)*v,v=q..infinity); But the following code works well int(f(v)*v,v=q1..q2);

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EdisonKIng
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  • I dodn't get that error, when I try your code. What precise version of Maple are you using? (major&minor number, eg. "Maple 2023.0", etc) – acer Aug 03 '23 at 13:32
  • This error seems only in ubuntu maple2022. I also tried windows maple 2020, but this error doesn't take place. – EdisonKIng Aug 04 '23 at 00:52
  • The error did not occur for me when using Maple 2022.2 for ubuntu. Are you using the 2022.2 update point-release (free update from 2022.0)? https://www.maplesoft.com/support/downloads/m2022_2update.aspx – acer Aug 04 '23 at 05:22
  • Thank you. There is no error after I installed the update. – EdisonKIng Aug 04 '23 at 07:23

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