## [Maxima-bugs] [ maxima-Bugs-2867499 ] specint(exp(-s*t)*CONST*t^2*bessel_y(1, t), t) wrong

 [Maxima-bugs] [ maxima-Bugs-2867499 ] specint(exp(-s*t)*CONST*t^2*bessel_y(1, t), t) wrong From: SourceForge.net - 2009-09-26 18:53:03 ```Bugs item #2867499, was opened at 2009-09-26 18:02 Message generated for change (Settings changed) made by crategus You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2867499&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Lisp Core - Integration Group: None >Status: Closed >Resolution: Fixed Priority: 5 Private: No Submitted By: Dieter Kaiser (crategus) Assigned to: Nobody/Anonymous (nobody) Summary: specint(exp(-s*t)*CONST*t^2*bessel_y(1,t),t) wrong Initial Comment: Maxima does not take into a account a constant part of an integrand when doing the Laplace transform of bessel_y(v,a*t) where v is an integer order. The symbol CONST is missing in the following result: (%i5) ratsimp(specint(exp(-s*t)*CONST*t^2*bessel_y(1,t),t)); (%o5) (3*s*log((sqrt(s^2+1)+s)/(sqrt(s^2+1)-s))+sqrt(s^2+1)*(2*s^2-4)) /(%pi*sqrt(s^2+1)*(s^4+2*s^2+1)) The error is in the routine f2p105v2cond. The constant part is extracted from the variable l but not multiplied to the result of the Laplace transform. Dieter Kaiser ---------------------------------------------------------------------- >Comment By: Dieter Kaiser (crategus) Date: 2009-09-26 20:53 Message: Fixed in hypgeo.lisp revision 1.66. Closing this bug report. Dieter Kaiser ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2867499&group_id=4933 ```

 [Maxima-bugs] [ maxima-Bugs-2867499 ] specint(exp(-s*t)*CONST*t^2*bessel_y(1, t), t) wrong From: SourceForge.net - 2009-09-26 16:02:31 ```Bugs item #2867499, was opened at 2009-09-26 18:02 Message generated for change (Tracker Item Submitted) made by crategus You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2867499&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Lisp Core - Integration Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Dieter Kaiser (crategus) Assigned to: Nobody/Anonymous (nobody) Summary: specint(exp(-s*t)*CONST*t^2*bessel_y(1,t),t) wrong Initial Comment: Maxima does not take into a account a constant part of an integrand when doing the Laplace transform of bessel_y(v,a*t) where v is an integer order. The symbol CONST is missing in the following result: (%i5) ratsimp(specint(exp(-s*t)*CONST*t^2*bessel_y(1,t),t)); (%o5) (3*s*log((sqrt(s^2+1)+s)/(sqrt(s^2+1)-s))+sqrt(s^2+1)*(2*s^2-4)) /(%pi*sqrt(s^2+1)*(s^4+2*s^2+1)) The error is in the routine f2p105v2cond. The constant part is extracted from the variable l but not multiplied to the result of the Laplace transform. Dieter Kaiser ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2867499&group_id=4933 ```
 [Maxima-bugs] [ maxima-Bugs-2867499 ] specint(exp(-s*t)*CONST*t^2*bessel_y(1, t), t) wrong From: SourceForge.net - 2009-09-26 18:53:03 ```Bugs item #2867499, was opened at 2009-09-26 18:02 Message generated for change (Settings changed) made by crategus You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2867499&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Lisp Core - Integration Group: None >Status: Closed >Resolution: Fixed Priority: 5 Private: No Submitted By: Dieter Kaiser (crategus) Assigned to: Nobody/Anonymous (nobody) Summary: specint(exp(-s*t)*CONST*t^2*bessel_y(1,t),t) wrong Initial Comment: Maxima does not take into a account a constant part of an integrand when doing the Laplace transform of bessel_y(v,a*t) where v is an integer order. The symbol CONST is missing in the following result: (%i5) ratsimp(specint(exp(-s*t)*CONST*t^2*bessel_y(1,t),t)); (%o5) (3*s*log((sqrt(s^2+1)+s)/(sqrt(s^2+1)-s))+sqrt(s^2+1)*(2*s^2-4)) /(%pi*sqrt(s^2+1)*(s^4+2*s^2+1)) The error is in the routine f2p105v2cond. The constant part is extracted from the variable l but not multiplied to the result of the Laplace transform. Dieter Kaiser ---------------------------------------------------------------------- >Comment By: Dieter Kaiser (crategus) Date: 2009-09-26 20:53 Message: Fixed in hypgeo.lisp revision 1.66. Closing this bug report. Dieter Kaiser ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=2867499&group_id=4933 ```

JavaScript is required for this form.

No, thanks