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#3345 bug in limit

None
open
nobody
limit (141)
5
2017-11-17
2017-11-01
Dimiter Prodanov
No

The following

limit(( %e^(-sqrt(2*s-1)*atan(y))) , s, inf);

gives an error

The value #:|cos(0)3749| is not of type LIST.
Automatically continuing.
To enable the Lisp debugger set *debugger-hook* to nil.

wxMaxima version: 17.05.0
Maxima version: 5.38.1
Maxima build date: 2016-06-12 17:13:34
Host type: i686-pc-mingw32
System type: Win32 6.1.7601 (Service Pack 1) X86-64
Lisp implementation type: SBCL
Lisp implementation version: 1.3.4

Discussion

  • Raymond Rogers

    Raymond Rogers - 2017-11-02
     

    Last edit: Raymond Rogers 2017-11-02

  • Kris Katterjohn

    Kris Katterjohn - 2017-11-02
    • Description has changed:

    Diff:

    --- old
+++ new
@@ -1,13 +1,16 @@
 The following

+~~~
 limit(( %e^(-sqrt(2*s-1)*atan(y))) , s, inf);
+~~~

 gives an error

- The value #:|cos(0)3749| is not of type LIST.
+~~~
+The value #:|cos(0)3749| is not of type LIST.
 Automatically continuing.
 To enable the Lisp debugger set *debugger-hook* to nil.
-
+~~~

 wxMaxima version: 17.05.0
     

  • Kris Katterjohn

    Kris Katterjohn - 2017-11-02

    added some tildes to fix the formatting

     

  • Raymond Toy

    Raymond Toy - 2017-11-17

    Bizarre that the atan(y) term messes things up. If you leave it off, limit returns 0. Replacing atan(y) with just y allows limit to succeed.

     

    Last edit: Raymond Toy 2017-11-17

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