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#4991 mutual depends creates error even after kill...

None
duplicate
nobody
None
5
2026-08-15
2026-08-15
dan hayes
No

WxMaxima version: 26.01.0_MSW
Using wxWidgets version: wxWidgets 3.2.9
Maxima version: 5.49.0
Maxima build date: 2026-01-02 21:27:51
Host type: x86_64-w64-mingw32
System type: Win32 10.0.19041 X86-64
Lisp implementation type: SBCL
Lisp implementation version: 2.6.0

the last report got so cluttered i have to do another

[kill(f,r,w),depends(f,[r[1],r[2],r[3]],[r],w),

eq: expand(diff(f,r[1],2)/2+diff(f,r[2],2)/2+diff(f,r[1])/r[1]+diff(f,r[2])/r[2]+ ((1-w^2)*diff(f,w,2)-

2wdiff(f,w))*(1/r[1]^2+1/r[2]^2) )]

note there is no way to keep the multiply signs as it is a fault of

this interface. they are in there when i put it in but after post

it removes them. anyway next i do

[kill(w),depends(w,r),subst([diff(r[3],w)=

1/diff(w,r[3]),diff(r[3],w,2)=diff(1/diff(w,r[3]),w)],eq)];

and get red error message like stack overflow most everytime

but sometimes don't as that is characteristic of maxima doing

things inconsistently

Discussion

  • dan hayes

    dan hayes - 2026-08-15

    note it is necessary to put in the equations etc because if don't and only put the depends statements it does not give error consistently

     
  • David Scherfgen

    David Scherfgen - 2026-08-15

    Please use code blocks for your input so that it doesn't get destroyed by SourceForge. The button "</>" is right next to the buttons B, I, H.

    example code block
    no formatting gets destroyed here
    
     

    Last edit: David Scherfgen 2026-08-15
  • Stavros Macrakis

    • status: open --> duplicate
     

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