#1951 derivatives of functions of taylor polys

closed
nobody
None
5
2010-05-30
2010-04-12
No

(%i6) diff('(f(taylor(x,x,0,6))),x);
(%o6) 'diff(f(taylor(x,x,0,6)),x,1)
(%i7) ev(%,nouns);
Maxima encountered a Lisp error:
Error in PROGN [or a callee]: Caught fatal error [memory may be damaged]
Automatically continuing.
To enable the Lisp debugger set *debugger-hook* to nil.

Discussion

  • Barton Willis

    Barton Willis - 2010-04-12

    A backtrace

    1 > :B
    *(1270A9C) : 0 (DEPENDS (#:X1 . 1) $X) 303
    (1270AD4) : 1 (DEPENDSL (PS (#:X1 . 1) (#) (# 1 . 1)) $X) 111
    (1270AF8) : 2 (DEPENDS ((MRAT SIMP # # # ...) PS (#:X1 . 1) (#) (# 1 . 1)) $X) 439
    (1270B18) : 3 (DEPENDSL ((# PS # # #)) $X) 111
    (1270B3C) : 4 (DEPENDS (($F SIMP) (# PS # # #)) $X) 439
    (1270B5C) : 5 (SDIFF (($F SIMP) (# PS # # #)) $X) 1503
    (1270B78) : 6 (DERIV ((# #) $X 1)) 1183
    (1270B90) : 7 ($DIFF (($F SIMP) (# PS # # #)) $X 1) 119
    (1270BAC) : 8 (MEVAL1 (($DIFF SIMP) (# #) $X 1)) 7087

    Version:

    Maxima 5.20post http://maxima.sourceforge.net
    using Lisp Clozure Common Lisp Version 1.5-dev (WindowsX8632)

     
  • Dieter Kaiser

    Dieter Kaiser - 2010-05-30
    • status: open --> closed
     
  • Dieter Kaiser

    Dieter Kaiser - 2010-05-30

    Fixed in comm.lisp revision 1.49. A specrepcheck has been added.
    Closing this bug report as fixed.
    Dieter Kaiser

     

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