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bug in part(Complex) #3345

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mahrud opened this issue Jul 4, 2024 · 0 comments · May be fixed by #3522
Open

bug in part(Complex) #3345

mahrud opened this issue Jul 4, 2024 · 0 comments · May be fixed by #3522
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@mahrud
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version 1.25.05

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@mahrud
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mahrud commented Jul 4, 2024

The code:

needsPackage "Complexes"

R = QQ[x,y]
C = complex R
part(0, C)
part(0, C[1] ++ C[-1])

Outputs:

i4 : part(0, C)

       1
o4 = QQ
      
     0

o4 : Complex

i5 : part(0, C[1] ++ C[-1])

             1
o5 = 0 <-- QQ
            
     0     1

o5 : Complex

Also, in conversation with @ggsmith today we realized this is very similar to the basis command, except it's oddly not defined for graded modules and maps between them, which I think should be defined.
@mahrud mahrud added this to the version 1.24.11 milestone Jul 21, 2024
@mahrud mahrud self-assigned this Aug 15, 2024
@mahrud mahrud linked a pull request Oct 16, 2024 that will close this issue
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@mahrud mahrud linked a pull request Oct 16, 2024 that will close this issue
Add part for graded objects and other improvements #3522
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Add part for graded objects and other improvements mahrud/M2
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