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Missing * method for PDiagMat #176

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btmit opened this issue Aug 4, 2023 · 1 comment · May be fixed by #205
Open

Missing * method for PDiagMat #176

btmit opened this issue Aug 4, 2023 · 1 comment · May be fixed by #205

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@btmit
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btmit commented Aug 4, 2023 

ERROR: MethodError: *(::PDMats.PDiagMat{Float64, Vector{Float64}}, ::Diagonal{Float64, Vector{Float64}}) is ambiguous.

Candidates:
  *(A::AbstractMatrix, D::Diagonal)
    @ LinearAlgebra /Applications/Julia-1.9.app/Contents/Resources/julia/share/julia/stdlib/v1.9/LinearAlgebra/src/diagonal.jl:247
  *(a::PDMats.PDiagMat, x::AbstractMatrix)
    @ PDMats ~/.julia/packages/PDMats/CbBv1/src/pdiagmat.jl:51

Possible fix, define
  *(::PDMats.PDiagMat, ::Diagonal)
@jishnub jishnub mentioned this issue Dec 9, 2023
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@RomeoV
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RomeoV commented Jun 12, 2024

A workaround is to change

pdmat * diagmat

to

(diagmat * pdmat)'

since they are both symmetric.

@devmotion devmotion linked a pull request Jun 12, 2024 that will close this issue
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Fix method ambiguity of * with PDiagMat JuliaStats/PDMats.jl
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@RomeoV @btmit